Author Archives: D.R. Snell Nursery

Summer Lavenders

Do you enjoy making herbal or floral bouquets and wands to scent the house? Maybe you’re into the lavender cooking trend or like to infuse playful summer drinks with a floral touch. Perhaps you recognize the aromatherapy or medicinal qualities of lavender.

In other words, do you love lavender and are frustrated because the bloom season is so short?

Whatever you do with your lavender, you may have planted one and it bloomed for a few weeks. Now you think you have to wait another year to enjoy the beauty and fragrance. That’s no fun! But here’s a secret to prolong your passion during lavender season…

About Lavenders

There are actually three groups of lavenders. Members of each group bloom around the same length of time, but each group blooms at different times. By planting at least one member of each group, you can enjoy lavender from early spring to mid-summer (and sometimes even longer with careful watering).

Members of the “Non-English Lavenders” bloom from early to late spring. “English Lavenders” follow and bloom from late spring to early summer. True summer lavenders, known as “Lavendins,” continue blooming into the hottest days of summer.

Also called “English Lavender hybrids,” the varieties in this summer group are crosses between the Portuguese and English Lavenders. They all have large gray leaves, grow into large plants, and grow best in the heat. They are all very fragrant, making them welcome additions to any lavender garden.

Abriali Lavender was one of the first hybrids. It produced cosmetic-grade oil until Grosso Lavender replaced it with superior oil production. Happily, gardeners can also enjoy Grosso in their gardens, as it’s frequently available at garden centers.

White Grosso Lavender, with the same beauty and fragrance, provides a nice background for a mixed flower border. Edelweiss Lavender, a smaller white lavender, mixes nicely in the garden, without a reduction of fragrance.

Hidcote Giant Lavender and Provence Lavender are garden center favorites. Approximately the same size, the Hidcote Giant has darker flowers than the Provence, which has a longer flower wand. Sachets usually contain Provance buds because they are exceptionally easy to remove from the stalk. Other popular varieties include Grappenhall, Dutch Mill, Seal and Fred Boutin lavenders.

Lavenders In the Garden

Growing lavenders could not be easier. All thrive in full sun in warm, well-drained, average quality soil. Dampness, either through poor drainage or humidity, will kill them. They grow well in pots with good drainage and fair soil. Prune after blooming to shape the plants and promote future blooming. While lavender is drought resistant, if the soil is dry, it is necessary to water well. Water again only when the soil is dry. Using compost as fertilizer will provide critical nutrients and improve soil drainage.

Using Lavender

Lavenders are very attractive to bees. They happily buzz from flower to flower while collecting pollen. Some honey producers site their hives in the middle of lavender fields to produce lavender-scented honey. The honey’s aroma is a great way to start the day!

Drying lavender for future use is easy. Cut bundles of wands from the plants without cutting into the older woody part of the plant. Use a rubber band to hold the bundles together and hang them upside down in a dark, dry room such as an attic or closet. The darkness helps retain the bloom color. The bundle should be dry in 7-10 days.

Although lavender’s taste isn’t the same as its fragrance, lavender dishes appear in many trendy restaurants. Lavender martinis and teas, ice cream, cookies and other desserts accompany lavender-sauced meats and vegetarian dishes. Lavender is an ingredient in the herbs de Provence mix and replaces strong tasting herbs such as rosemary, thyme or mint in many cookbooks for meats, breads and general seasonings.

Some folks even use lavender as an antibacterial antiseptic to treat wounds and insect stings.

Even if you just want to enjoy lavender for the sake of its beauty and ease of maintenance, remember… Planting one of each of the three groups lets you love your lavender for three times as long. Enjoy!

The N-P-K of Fertilizer

Once upon a time, Mary, Mary, Quite Contrary grew her garden with silver bells and cockleshells, but nowadays, most gardeners use some other forms of fertilizer that are better formulated than nursery rhymes. But what important components make up a fertilizer, and why are those components important for your plants?

Understanding Fertilizer

Simply put, a fertilizer has nutrients to make a plant grow better. Years ago, farmers used composted manure, ashes and urine. Today, most of us buy our fertilizer, but a trip to the store can be confusing. What do those numbers on the fertilizer bag mean? Should I buy liquid or granular? Which is better, slow or quick release? Let’s investigate…

Without getting too technical, the three numbers show the percentage of available nitrogen (N), phosphate (P) and potassium (K) in a fertilizer blend. By law, it always goes in that order. If you see a fertilizer with 20-5-10, it means the fertilizer contains 20 percent available nitrogen, 5 percent phosphate and 10 percent potassium. Other nutrients and filler make up the difference and are often chosen for specific types of plants, such as roses or flowers, vegetables, trees, etc.

What does that mean to your plants?

Nitrogen promotes chlorophyll, producing greener, more quickly growing plants. If your plants aren’t as green as they should be, use a fertilizer with nitrogen. Most lawn fertilizers have a relatively high nitrogen content and cause mowing to be more frequent as lawns “green up” and grass blades grow more quickly.

Phosphate improves root growth, flowering ability and bloom size. Use a fertilizer with a larger middle number (phosphate percentage) to encourage root growth during transplanting or to encourage blooms. This is especially important when initially planting so root systems become strongly established.

Potassium enables the photosynthesis process and improves plant resistance to cold spells, drought and insect attacks. Many people use a potassium fertilizer when the seasons change to help plants resist the stresses of those transitions.

Liquid or Granular? Fast or Slow?

Fertilizers come in liquid and granular forms. Generally speaking, liquids are highly concentrated and need to be mixed with water before being fed to plants, but they are absorbed more quickly and are easy to apply more evenly. Granular formulas have small beads or grains that must be spread around and watered into the soil, and it can be difficult to spread an even layer over large areas unless a spreader is used. Granular forms need time to dissolve or decompose before they can be absorbed, but they last longer in the soil and can nourish plants for weeks or months.

Similarly, fertilizers come in fast or quick release forms as well as slow release forms. Both can work well in any garden, depending on your fertilizing needs, plant nutritional requirements and condition of your soil.

Read the label carefully for specific instructions and uses. It may seem boring, but reading that label will prevent bad results, as overuse or misuse of fertilizer can kill your plants, upset the balance of your soil and even cause environmental contamination – not the results you planned. Once you know more about fertilizer and how to use it correctly, however, you’ll enjoy the results this extra treat can give to your garden.

General Soil Amendments

We’ve all heard of the importance of amending the soil properly for gardening and landscaping, but the number of soil amendments sold in garden centers often confuses gardeners. Which is which, and which will work best for your soil conditioning needs?

Types of Soil Amendments

Soil amendments fall into two basic categories, inorganic and organic. Inorganic amendments come from non-living materials such as sand, perlite, vermiculite and crushed stone. With the exception of limestone and gypsum, which are used to increase soil calcium, these are not commonly used in the garden.

However, organic amendments are the opposite. They come from previously living materials such as peat, manures and composts. When leaves, bark, peat, animals and animal wastes are mixed together to decompose, compost or “humus” is the final product. Very commonly used, these materials enrich the soil by increasing the air spaces, adding extra nutrients to the soil, improving the absorption of those nutrients and increasing overall soil fertility.

Why You Need Soil Amendments

Excellent soil is not common around most homes. Even if it was initially, house construction and roadwork often removes the good soil and construction equipment compacts the remaining soil. Furthermore, heavy use of the remaining turf – children and pets playing, for example – continues to compact the soil. Chemical treatments, runoff from gutters and downspouts, removal of existing plants, changes in local wildlife – all of these factors can wreak havoc on soil.

Adding organics loosens compacted soil and results in better gardens. Incorporate organics into the beds throughout the year by working evergreen needles, leaves and lawn clippings into the soil. Amendments such as peat or lime can improve a pH problem, if one exists. Calcium and magnesium deficiencies can be corrected using organic materials such as bone meal or wood ashes, or inorganic materials such as limestone, gypsum or soft rock phosphate.

Mulching is another simple way to add biodegradable materials to the soil. Simply place mulch around the plant, leaving several inches bare closest to the stem to discourage insect invasions and rot. In addition to slowly providing nutrients as it decomposes, mulching is attractive, reduces weeds and erosion, maintains soil temperature and prevents “crusting” that occurs when soil becomes too dry.

Another advantage of adding organics is the attraction of worms. They further assist in the decomposition, increase aeration and leave worm castings, a valuable organic material, behind. A healthy garden is home to many worms, and it all starts with adding organic soil amendments.

Whether you opt for organic or inorganic soil amendments, if you use them properly, you soil will improve and your landscaping, flowerbeds and garden will look better than ever.

Spider Mites

Spider mites are one of the most common pests in landscapes and gardens and feed on many fruit trees, vines, berries, vegetables and ornamental plants, as well as houseplants. These tiny mites are just large enough to be seen with the naked eye, but may just look like tiny, moving dots. For tiny creatures, they can do considerable damage to plants if left unchecked.

How Spider Mites Hurt Plants

Spider mites cause damage by sucking cell fluids from plant leaves. A small number of mites usually isn’t a reason for concern, but plants can sustain heavy damage if populations are high and the infestation spreads. You may notice a stippling of light or yellowish spots on affected leaves and often the webbing of mites can be seen on leaves and stems. As the damage continues, leaves may turn completely yellow, dry up and fall off the plant.

Controlling Spider Mites

Spider mites reproduce rapidly in hot, dry weather, therefore, keeping plants well watered is a good deterrent to heavy infestations. There are also many natural enemies to these pernicious bugs, such as lacewing larvae and some lady beetles that help to keep mite populations under control. Cultivating these helpful insects may be all that is necessary to minimize spider mite activity unless the infestation has already increased and spread.

Because spider mites are too tiny to pick off infected plants, judicious pruning or trimming of infested plants can help remove these pests. In heavy infestations, it may be necessary to discard an entire plant to take the mites with it. Do not put these clippings or removed plants in compost piles, however, or the mites will continue to thrive and will return to healthier plants.

At times, it may be necessary to use chemicals to deter spider mites. Be careful when using broad spectrum insecticides, however, as these will kill any beneficial insects as well as the spider mites, which can disrupt the delicate balance of a garden’s ecology. Simply spraying plant leaves with a blast of water, taking care to spray the undersides as well, can help to reduce mite populations by physically removing the spider mites. Insecticidal soaps and neem oil are also good choices when dealing with spider mites.

Once the mites have been removed, damaged plants may look bedraggled, but they will generally recover within a season or two, especially if the pests were recognized and treated quickly. Don’t let spider mites catch you in their webs – get rid of them today!

Rose – Queen of the Garden

We all love roses. It may be the luxurious fragrances, rich colors or the elegant flower forms that attract us. It may be the memories that roses evoke. Whatever the reason, roses are one of the world’s most popular flowers. With so many different types of roses available, ranging from the diminutive miniatures to the towering climbers, there is no excuse to exclude this “Queen of Flowers” from your garden.

Rose Types

There are many types of roses to cultivate, and it can be difficult to choose. If you’re just getting started with roses, consider some of these popular favorites…

Hybrid Tea Roses: These blooms are a favorite of rose gardeners who enjoy long-stemmed, large flowers. Hybrid tea flowers have many petals and plants grow upright and tall, about 3-7 feet. These roses are appropriate in either a formal garden or informal planting.
Floribunda Roses: These roses have smaller flowers than hybrid teas with the flowers arranged in clusters. This rose bush is useful as a hedge for a border or privacy screen, and is equally stunning in mass plantings.
Grandiflora Roses: These beauties were developed by crossing hybrid teas with floribundas. This rose grows to around 10 feet tall so it should be used in the back of the border where its beauty won’t shroud other plants. The flowers of the Grandiflora are hybrid tea form and can be single stemmed or borne in clusters depending on the cultivar.
Climbing Roses: These roses make an outstanding vertical display when trained on arbors, walls, fences, trellises and pergolas and can grow from 8-15 feet tall. Flowers may be borne large and single or small and arranged in clusters.
Miniature Roses: These delicate nymphs are dwarf in every way – flowers, leaves and height. This rose may be mass planted as a ground cover, used as border or grown in containers on decks, patios and porches.
Shrub Roses: These flowers are renowned for their bushy habit and superior disease resistance making them an excellent choice for mass planting. The shrub rose flower may be either single or double. Some types have very showy rose hips.
Old Roses: These luscious heirlooms are making a come-back! Although bloom times and color choices are limited, old roses are much more fragrant, vigorous and disease resistant than modern roses. To obtain all the qualities of an old rose combined with a long bloom time of a modern rose, look for the David Austin varieties.

Not sure which rose is just right for your landscape or garden? Our rose experts will be glad to help you choose the perfect rose no matter what thoughts or emotions you want your garden to evoke. Stop in today to see the latest types of roses and the most popular cultivars for this year’s gardening.

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Edging and Trimming

Edging and trimming the lawn is like having a manicure after cutting your fingernails. It smooths out any roughness and adds an elegant finishing touch to your landscape, and everything is just more perfect! But which lawn care activity is which, and how do you do them properly to give your lawn that manicured look?

Edging or Trimming – Which is Which?

Before you pull out the lawn tools, it’s important to know which activity you need to do to create the look you want.

Edging
When you are edging, you define the line between a hard surface (sidewalks, driveways and curbing) and a growing area such as a flower bed, garden or lawn. To achieve this, a vertical cut is made between the two using a spade or edging tool. Some have mastered the art of using the string trimmer to do this. This creates a crease-like separation between the organic (growing) and inorganic (non-growing) surfaces. Properly done, edging will help minimize weed growth in these cracks and crevices and gives the landscaping a smooth, formal appearance.

Trimming
Trimming removes the grass, weeds and other plants from areas a lawnmower can’t reach. Long wisps of grass along the side of the house, fence or other structure aren’t very attractive, and trimming them away will give a finished, uniform look to the landscaping. Most people use a string-trimmer or bladed trimmer for this work, but hand shears also do the job. Trimming is also often done around trees or in tight corners where a lawnmower is less effective.

When to Do Edging and Trimming

How often should trimming and edging be done? This depends upon your own personality. Some people feel edging and trimming is a requirement of every mowing. Others do edging and trimming every third or fourth time they mow, or whenever it may look necessary to give the lawn and landscape a uniform look.

Edging and Trimming Tips

No matter how often you choose to do edging and trimming, it is important to do it effectively!

Use only the proper tools for these landscaping tasks. This will help prevent injuries or strain on your hands, wrists and elbows, and will get the job done more quickly and efficiently.
Check edgers and trimmers regularly to be sure they are sharp, well-oiled and in good functioning condition. Keep extra string for a trimmer on hand so you can quickly replace the spool when it runs out.
Always practice good safety measures when edging and trimming. Wear safety goggles if there is risk of flying debris (as there often is), and keep the tools away from children and pets.

For many people, edging and trimming is all part of good lawn maintenance. Once you know the differences between them and how to do them well, you’ll be amazed at the difference these tasks make to the beauty of your lawn.

Fungus Gnats

Have you noticed little black gnats flying around your houseplants or outdoor potted plants? These are probably fungus gnats. These can be a serious problem in commercial greenhouses holding thousands of plants but are easily controlled by homeowners who take appropriate steps for eliminating these pests.

What Fungus Gnats Need

As weak fliers, fungus gnats live in and around damp decaying material. Plants with fungus gnats are usually being overwatered. This is the primary cause for an increase in the gnat population, as they thrive in wet, organically-rich soil. Gnat grubs nibble on the tender roots of houseplants, but they do not generally do enough damage to severely harm the plant – they are more of a nuisance as they mature and fly around the plant. These gnats do not bite, but they can be annoying. When an infestation is bad, they can quickly spread from plant to plant, making them even more challenging to control.

Ways to Control Fungus Gnats

Letting a plant dry out between watering will decrease the decay and fungus in the soil, making the pot less hospitable for fungus gnats. Always make sure pots have adequate drainage and that water is not left standing in saucers. Adding a porous top-dressing, such as sand or gravel, to the pot can also help water drain away from the surface so the gnats cannot burrow down to the organic richness they crave.

For home use, insecticidal sprays with Pyrethrins are available and can be used against fungus gnats. If treating a houseplant, be sure to take plants outside and follow label instructions carefully, keeping the chemical away from children and pets at all times. Bacillus thuringiensis (BT), a biological control, will also provide relatively fast control killing the larvae in the soil.

For houseplants, the easiest and fastest remedy is often the best. Repot the infested plant using new potting soil into a pot with drainage. Carefully rinse the plant’s roots while repotting to remove as much soil as possible, and be sure the new pot’s hole is not clogged. Prune away any dead roots, leaves and stems. The gnats will be gone immediately.

To keep fungus gnats from returning, carefully check a plant’s moisture before watering to prevent moisture problems that can bring fungus gnats back in a flash. Water monitors can be used, or simply check that the top 2-3 inches of soil is dry before watering. Using watering bulbs or other waterers that are inserted deeply into the soil can also keep fungus gnats at bay by providing water directly to the plant’s roots, without saturating the entire pot.

Fungus gnats certainly aren’t fun when they infest your plants, but fortunately there are many ways to keep these bugs under control or eliminate them entirely. Using several techniques at once will be most effective, and the gnats will be gone just as fast as they first appeared.

Heavenly Hosta

Hostas are amazing plants, truly glorious with heavenly foliage that is stunning as a specimen or in mass plantings. The thin spikes of purple or white, trumpet shaped flowers appear for several weeks in the summer and are an added benefit to this divine perennial. But how much do you know about hostas, and which can you add to your landscape?

Phenomenal Foliage

Hostas are praised by many for their magnificent variety of leaf sizes, colors and textures. These angels will grace your garden with heart-shaped, lance-shaped, oval or nearly round leaves, and leaf sizes vary as well. Smooth, quilted or puckered textures, with either a matte or glossy sheen, add to the glory and hostas’ radiant glow.

The leaf margins can be either smooth or wavy and range in color from light to dark green. Foliage colors also include chartreuse, gray and blue, depending on the cultivar. Variegated hostas with cream, white or yellow margins will radiate in a dark area of your garden.

Where to Plant Hostas

While most hostas are shade worshippers, some types will tolerate sun, depending on the overall climate and moisture levels. Hostas remain attractive from spring until frost and can withstand a wide range of growing conditions.

As choice groundcovers or single specimens in the landscape, hostas are certainly divine. Some hostas are quite unusual and rare and may increase in value each year, especially as the plants thrive and can be divided and transplanted with ease.

Best Hosta Care

Little maintenance is required to care for hostas. Cut off old flower stalks after flowers have faded. Divide plants occasionally to increase their quantity. Keep an eye out for pests, especially slugs and snails that munch on the foliage.

Types of Hostas

With so many selections and varieties, you can find a hosta the will fit into almost any garden situation. The most popular options include…

Dwarf & Small Hostas: In addition to being planted in secret little pockets throughout your garden or next to paths, dwarf and small hostas can be used in difficult places. Plant them among tree roots, on a slope or terrace or in rocky places containing little soil.
Edger Hostas: These hostas are 12” or less in height and have more horizontal growth. They are able to control weeds as they leave no light, when well established, or room for weeds to grow.
Groundcover Hostas: This group of hostas grows to 18” or less in height. They do a great job in areas difficult to weed or maintain. If you are in need of a hosta for use as a groundcover, keep in mind it works great to plant spring-flowering bulbs among them. The hosta comes up after the show of flowers and covers the fading foliage of the bulbs.
Background Hostas: Selections from this group grow to 24” or taller at maturity. They can be used to increase privacy where you sit and relax or to provide definition to your property line as a unique hedge.
Specimen Hostas: Specimens may be any size. Choose a site close to where the plant will be viewed so that every detail (texture, color pattern, buds, flowers and fragrance) may be enjoyed.

Not sure which hosta is right for you? Come in today and let our landscape and garden experts help you choose the right heavenly hosta to add a bit of the divine to your yard!

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New Shrub Raspberries

Rejoice! You no longer need hedgerows, trellises or complicated stakes to grow succulent raspberries. You won’t need armor-like gloves either. Now you may grow thornless raspberries in your garden or in containers on your patio, deck or front porch.

Introducing Raspberry Shortcake™

Developed in Oregon after decades of intense breeding for the most desirable plant characteristics, Raspberry Shortcake™ (Rubus idaeus ‘NR7’) is the first truly dwarf raspberry. Growing just 2 ½ to 3 feet tall with a compact, mounding shape, it is covered with full-sized sweet raspberries from mid-summer through fall. Deciduous in the winter, it produces new canes in the spring to bear even more fruit. It is self-fertile so does not require multiple plants to bear fruit, but its size, appearance and juicy berries are too good to plant just one.

Planting Your Raspberry Shrub

Well-drained, rich soil produces the best and most abundant fruit from these shrubs, and neutral pH (7.0) is preferred. If planting in a container, be sure to use a potting mix especially for containers to ensure adequate nutrition to the plant. If planting in the landscape, choose a location in full sun with moderate room suitable for some spreading, such as bordering a hedge or along a walkway that will help guide the growth and expansion. Water regularly for plump, juicy berries. A well-balanced fertilizer in early spring and summer increases plant vigor and production.

Pruning is simple, just remove the oldest canes after fruiting and enjoy the fruits on the new ones in spring. Avoid trimming away new growth, or you may miss out on future harvests, but any dead canes can easily be pruned away to keep the plant healthy and productive, as older canes will not produce new fruit.

Protecting Your Berries

It is important to note that these berries can be just as irresistible to birds and other backyard wildlife as they are to gardeners of all ages and abilities. To protect the berries so there are some left for you to enjoy, it may be necessary to use netting or other types of covers over the shrubs after the berries first appear in the summer. After the fruiting is finished, the covers can be removed.

Raspberry Shortcake™ is so simple, safe and easy, it doesn’t matter what color your gardening thumb may be, what experience you have harvesting berries or even if you’ve never grown anything to eat before – even young children can grow and harvest these mouth-watering raspberries with ease!

Dwarf Evergreen Conifers

Dwarf conifers are some of the most versatile and popular plants of today’s modern garden and landscape. These fantastic plants add interesting texture, color and form to rock, pond and container gardens as well as any type of mixed border. They come in a variety of cultivars of different sizes and growth habits, and more cultivars are being introduced all the time. Dwarf conifers are virtually carefree and often provide four seasons of interest.

Dwarf Conifer Types

We commonly think of conifers as needled evergreens such as pines, spruce and firs, but not all conifers are needled and not all are evergreen. The common larch is needled, but deciduous. Ginko trees are conifers that have fan-shaped deciduous leaves, and this tree is neither needled nor evergreen. What identifies a plant as a conifer is that it is cone-bearing.

Dwarf conifers are slower growing and smaller versions of the straight species of a given conifer. A good example is the Eastern White Pine, Pinus strobus, which can reach a height of 100 feet at maturity. The dwarf version of this plant, Pinus strobus ‘Nana’, will only grow to eighteen feet at maturity, but other than its size, it shares all the charming characteristics that are so well loved about the full-size tree.

Thanks to their popularity, new varieties of dwarf conifers are being introduced each season. This gives you an almost endless selection to consider for your landscaping needs. Some of the most popular options include…

Abies alba ‘Green Spiral’ (Silver Fir)
Abies lagrocarpa ‘Arizona Glauca Compacta’ (Rocky Mountain Fir)
Abies procera ‘Sherwoodi’ (Noble Fir)
Abies balsomea ‘Nana’ (Dwarf Balsam Fir)
Cedrus deodora ‘Albospica’ (Deodar Cedar)
Chamaecyparis obtusa ‘Nana’ (Dwarf Hinoki Falsecypress)
Chamaecyparis obtuse ‘Nana Lutea’ (Hinoki Falsecypress)
Chamaecyparis pisifera ‘Aurea Nana’ (Japanese Falsecypress)
Picea abies ‘Little Gem’ (Norway Spruce)
Picea abies ‘Conica’ (Norway Spruce)
Picea abies ‘Pumila’ (Norway Spruce)
Picea abies ‘Argenteospicata’ (Norway Spruce)
Picea pungens ‘Montgomery’ (Colorado Spruce)
Picea pungens ‘Fat Albert’ (Colorado Spruce)
Pinus cembra ‘Glauca Nana’ (Swiss Stone Pine)
Pinus mugo (Mugo Pine)
Pinus nigra ‘Hornibrookiana’ (Autstrian Pine)
Pinus sylvestris ‘Globosa Viridis’ (Scotch Pine)
Tsuga canadensis ‘Gentsch White’ (Canadian Hemlock)

Not sure which of these or other amazing dwarf evergreen conifers are best suited for your landscape? Let our experts help you choose a beautiful tree that will be a standout however you may use it in your yard.

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