Posts Tagged ‘Tree’

The Best Tall Growing Shade Trees

October 25th, 2015


The Shade trees are grown for their shade. The relevance ofthese trees lays in those regions which are very hot and where you need to grow plants in its shade. There are many such plants which can grow only in shade and thus they can be grown under the shade of shade trees. Shade trees are generally large in size with spreading canopies and are used in public as well as private gardens for decoration. Some of the best shade trees which are popular and liked in temperate areas are described here.

  1. RED MAPLE: It is the tree which grows very rapidly and is called as red maple because its twigs and buds are bright red. Though a faster growing shade tree, the red maple is a long lived tree. 
  2. TULIP POPLAR TREES: These trees are also known as ‘yellow poplar’ because beautiful yellow coloured tulip flowers blooms on this plant and poplar is a term to describe wood. The trees are quite long as the higher branches of this tree sweeps in only one direction. The green colored leaves and yellow colored flowers beautify the garden space.
  3. OAK TREE: It is the one of the fast growing shade trees with very hard wood. It has spirally arranged leaves which shades areas nicely. Oak wood has high density and stands strong. There are many species to choose from including Northern Red Oak, which is most popular.
  4. GINKGO TREES: This tree grows very well and is quite thick and dense which creates a nice shade. The leaves of this tree are fan shaped and are quite unique. Has beautiful golden fall foliage.
  5. DAWN REDWOOD: The leaves are very thin and long like spikes. These trees are generally used to fence the garden and are planted in rows on hedges or make excellent street trees.
  6.  WILLOW HYBRID TREES: These trees can have a life of about 25 – 30 years. This variety is fast growing and suitable to many types of soils. They grow quite dense and are perfect for planting as fence trees.
  7. POPLAR HYBRID TREES: Hybrid Poplars are quite tall growing shade trees which are used for windbreak as well as to maintain the privacy. Fast growing poplar hybrid trees make a great privacy screen or as nice shade tree when planted alone

Shade trees are best in the sense that they give a cooling effect to your place and thereby reducing the energy costs. You can make a garden space to spend lovely time in the lap of nature by putting up the chairs and tea tables under the shade of these best shade trees. You can find all of these and more at

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Learn How to Pick the Right Tree for Your Yard

November 17th, 2013

Picking the right tree for your yard can be daunting. Garden plants will come and go in your yard, but trees are there to stay. Follow these tips for picking the right tree for your yard and you will be the new plant expert for your neighborhood.

  1. Where will the tree be planted? Near the house, garage, garden, etc? Unlike shrubs that have narrower root growth, the root system for trees expands often as far as the canopy of what the mature size of the tree will be. If you want a maple tree near your house, you’d have to remember that maple trees mature in the 50 to 70 foot height range, which can develop a canopy of approximately a half to the same in width. You would need plant that tree no closer than at minimum 50 feet from any foundation due to potential damage in the long term. On the other hand, a Thuja Green Giant Arborvitae can mature in the 50 to 70 height range, too, but it’s mature spread is only as wide as 10 to 15 feet, which means that it can be planted closer to a foundation than it’s height. So…plant a tree as far away from a building/house/etc as it spread in width allowing for expansion of the root system.
  2. What is the purpose of the tree? Is this to be a shade tree, seasonal flowering, fall foliage, privacy, wildlife, or a specimen tree?
  3. What limitations are there to inhibit the tree’s growth? Is the area sunny or shady? Are there power lines in the planned site area? Septic field lines or other underground utilities? Many local utility companies have guidelines on planting around those areas. Many recommend not planting any trees within 50 to 70 feet of underground utilities. When planting near or under power or phone lines, most utilities require plants not grow over 12 feet in height.
  4. What type of growth rate do you want for this tree? A fast growing tree generally means a short lifespan, while a slow, stead growth rate, means a long-lived tree to be enjoyed by you and future generations.
  5. Maintenance? How much time do you want to spend in seasonal care for the tree? If you’re looking for maintenance free trees, then you will want to make sure that your tree choice doesn’t fruit, drop large seeds or require lots of shaping.

Once you can answer these questions, you will be able to quickly narrow down your search for the perfect tree for your yard. Visit Greenwood Nursery where you can easily and quickly search for your tree by height, light, growth rate, and more.


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Plants That Will Grow Under Black Walnut Trees

June 3rd, 2013

Looking for plants that will grow under the Black Walnut trees on your property?

Black walnut trees can be a tricky plant for gardeners, as this species of plant produces a toxic substance called juglone via its root system. Other trees that emit this toxic substance include butternut and Persian walnut trees that are grafted with black walnut. (Notably, persian walnut seedlings that are grafted onto persian walnut rootstocks do not produce deadly toxins that kill other plants.)

The black walnut secretes a chemical from its ...

The black walnut secretes a chemical from its roots that harms neighboring plants, an example of amensalism. (Photo credit: Wikipedia)

The juglone leaches out into the surrounding soil and it can kill nearby plants within a period of just 30 to 60 days. Some of the most susceptible plants include: Tomato plants; Blackberry bushes; Azalea; Mountain laurel; Apple trees; Blueberry bushes; Potato plants; Rhododendron bushes.

The toxic zone can extend up to 80 feet from the trunk of a large mature black walnut tree, though the typical no-grow zone usually extends 50 to 60 feet. This tree’s tendency to kill off nearby plants is enough to leave many gardeners scratching their heads, wondering “what can I plant that will grow under a black walnut tree?”

Not to fear! Not all plants are sensitive to the juglone that’s produced by the black walnut tree. There are a number of trees, annuals, perennials, shrubs, vines and ground-cover plants that are resistant to juglone.

Some of the most popular plants that are often planted near a black walnut tree include:





Eastern Redbud

Creeping Phlox

Creeping Sedum

Coral Bells



Japanese Maple


Lamb’s Ear

Tartan Honeysuckle

Virginia Creeper



It appears that the black walnut tree actually enhances and promotes growth in a limited number of plant species, especially grasses such as Kentucky bluegrass.

Despite the fact that the black walnut tree’s toxins can kill many nearby plants, they are still favoured by many for their beautiful appearance and their ability to prevent soil erosion and offer shade, particularly on pastures. They are especially popular in pastures.

It’s important to note, though, that juglone is present in the black walnut tree’s wood, bark and leaves. The wood chips can cause problems in some animals, particularly horses.

Composting black walnut leaves will result in the degradation of the juglone toxin, which breaks down in 2 to 4 weeks when the leaves are composted alone, or up to 2 months if they’re mixed with soil and other compost matter. So it’s generally safe to use fully-composted leaves on juglone-sensitive plants.

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Planting under Black Walnut Trees

December 30th, 2011

What plants grow under black walnut trees? This is a question that we at Greenwood Nursery hear quite often. It is a good question, because not all plants thrive in close proximity to black walnut trees.

The black walnut secretes a chemical from its ...

Image via Wikipedia

Juglans nigra, commonly known as black walnut, is the largest of the twenty species of Juglans native to the United States. It easily grows to a height of 100 feet; its strong, straight trunk and magnificent canopy enhance most any landscape that has an appropriate scale for the trees massive size.

It is prized by the high-end furniture market because of its uniformity, durability and the luxurious chocolate-brown color of its heartwood. Many landowners, who have a few acres to spare, are planting genetically superior black walnut trees as an investment which will mature in 25 to 30 years.

Horticulturists discovered that certain plants did not do well, while some withered and died, when planted close to or underneath the canopy of black walnut trees. Black walnut trees secrete a biochemical substance known as Juglone. These secretions sometimes drip from the leaves down onto plants and ground below and leaches out from the roots below ground as well. The process is known as allelopathy.

Though Juglone is a poison to many plant varieties, making it difficult in planting under black walnut trees. However, there is still a large number of shrubs and perennials that can be safely planted under the canopy or near black walnut trees that are resistant to the effects of Juglone.

Avoid planting the following near or under the canopy of black walnut trees: Apples, white birch, mountain laurels, blackberries, blueberries, tomato plants, azaleas, chrysanthemum, crocus, hydrangeas, lilacs and rhododendron.
And now for a few plants that can be planted near Black Walnut trees: most grasses, aster, shasta daisy, vinca, hostas, phlox, wisteria, Morning Glory, ajuga, solomon’s seal, and Virginia creeper.Tolerant trees and shrubs include arborvitae, white ash, american beech, catalpa, black cherry, flowering dogwood, forsythia, hibiscus, red maple, japanese maple, oaks, privet, eastern redbud, sumac, sycamore, tulip tree, euonymus, rosa rugosa, viburnum (except maresii), and heucheras.A word of caution: Many factors, other than the presence of Juglone, will affect the viability of your trees and plants. Soil, moisture, temperature, shade and sunlight all play a role so results in growth may vary.

Visit Greenwood’s page on Planting under Black Walnut trees for a selection of plant varieties that will grow under the canopy of the black walnut trees.

More info on plants that will and will not grow under or near black walnut trees:
Ohio State University Extension Black Walnut Tree Fact Sheet 
Purdue University 
West Virginia University Extension Service 

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6 Tips for the Pool Landscape

April 23rd, 2011

  1. Plant bignonia tangerine beauty or other flowering vines to grow up trellis panels for privacy
  2. Select trees that are columnar with contained root systems
  3. Summer flowering plants attract bees & other insects – limit their use
  4. Use plants with thorns (rosa rugosa or barberry) in the perimeter area only
  5. Deciduous plants shed their leaves – use sparingly or only in the perimeter area
  6. Limit lawn spaces near the pool as grass clippings often go into the water
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Call 811 Before You Dig

March 2nd, 2011

Yellow Utility Fixtures

Image by lopolis via Flickr

So you’ve decided to plant a couple of trees in your landscape this weekend. What’s the worst thing that could happen? An aching back? Blistered hands? Or maybe pulling back the lever on your rented Bobcat and realizing you’ve just ruptured a gas line or torn up a buried electrical cable?

It’s safe to say that any of those could pretty much ruin your weekend. You would also earn the wrath of your neighbors whose utilities were cut off until crews could repair your damage, and it’s likely you’d be responsible for the cost of repairs and possibly even open to legal consequences.

You might think that the hole you are digging for that new tree isn’t deep enough to cause a problem, but that can be a dangerous assumption. For one thing, some underground utilities might be closer to the surface than you imagine.

Additionally, you have to remember that tree roots can go deep and wide as the tree matures, and planting over or close to underground utilities is like burying a green time bomb that can dislodge and break lines many years in the future.

Fortunately, this is a problem that has a very simple (and free) solution.

All you have to do – BEFORE you dig – is call a this 3-digit phone number: 811. When you call 811 from anywhere in the country, your call will be routed to your local One Call Center. Local One Call Center operators will ask you for the location of your digging job and route your call to affected utility companies. Your utility companies will then send a professional locator to your location to mark your lines within a few days.

Utility companies have offered this service for many years, but with so many companies with so many phone numbers spread across the country, there was a lot of confusion and misunderstanding. Hence the start of a national one-call service and a unique phone number, 811.

Some homeowners believe the 811 service is solely for contractors but that is incorrect. Utility companies are just as happy to mark their lines for your DIY projects as for professional excavation jobs.

I should add that, even if you hire professional contractors to build that new deck or fence on your property, don’t assume they will call 811 before they begin work. I recommend that you ask the contractor if they have already done so, or you can simply call 811 yourself and tell your contractor that you’ve made the call.

Within a few days, you’ll see some little colored flags or lines of colored paint criss-crossing your land, indicating what lies beneath. Here’s what the colors indicate:

Red – Electric Orange – Communications, Telephone/CATV Blue – Potable Water Green – Sewer/Drainage Yellow – Gas/Petroleum Pipe Line Purple – Reclaimed Water White – Premark site of intended excavation

As you can see, white paint or flags are used to indicate where you or your contractors are planning to dig. It’s a very good idea to mark the dig location before the utility locator teams come out. But be sure you use only WHITE markers to avoid any confusion!

While the marker teams are looking down, you should take a few moments to look up. Overhead power and telephone lines are so much part of our lives that they almost become invisible to us.

But a tree planted under or close to an overhead power line can be a major problem. Before you plant a tree anywhere near overhead lines, double-check the possible mature height and canopy spread, and if necessary err on the side of caution and plant it a little further away.

More than 256,000 underground utility lines are struck each year in the U.S. If you’d rather not be part of that statistic, simply call 811 so you’ll know what’s below before you dig.

Check out Greenwood Nursery for more information on home maintenance and landscaping.

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Controlling Deer Damage in the Garden and Landscape

October 8th, 2010

White-tailed deer in Toronto, Canada

White-tailed deer in Toronto, Canada (Photo credit: Wikipedia

Controlling deer in the garden and landscape takes a well thought out plan that can be painlessly executed. With urban areas creeping outwards from cities, deer, as well as other wildlife, are losing their natural habitats. New home developments are taking all of their survival resources which leave deer to creep into our yards for food. Begin by selecting plants that are deer resistant. Implementing two or more measures listed here will help to keep deer at a distance.

When deer are hungry and their usual food supply is gone, they will and do eat anything, which makes deer resistant plants more suggestion than fact. Plants touted to being deer resistant are still helpful as deer do not find them tasty and will eat from other shrubs and perennials before attacking these varieties.

Deer repellents are available, as contact or area repellents, and must be used regularly for best results. Area repellents emit a foul odor which is supposed to keep deer away. It will keep people away as well. Contact repellents are much more tolerable. Many are available which are environmentally safe and biodegradable so can be used around children and pets. Choose a contact repellent that will adhere to the plants structure, is rain resistant and will last for about a month.

To protect sensitive areas such as vegetable gardens, deer fencing may be necessary. Deer fencing is available in all shapes and sizes and with as many pricing variations. The most common is a mesh type. It is more flexible and can be attached to nearby trees or posts. Six to seven foot height is the most frequently used.

Tree shelters are often called deer guards. One study found that deer generally limit their browsing to under 42 inches. To take advantage of this study, use tree shelters that are at least 48 inches tall.

Homemade remedies that sometimes work are mesh bags filled with human hair (dirty not freshly shampooed hair), shreds of soap, hanging pie tins from branches or stakes, scarecrows, and even using small mirrors and glass fragments around some of the more bothered plants.

There are steps that can be taken to control deer in the garden or landscape. The first step is to select plants that are not as attractive or tasty to them to limit their browsing. Further steps include the use of deer repellents, deer fencing, tree shelters or homemade remedies. Implementing these measures with regular use, you will have a much better control of the deer in your yard.



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