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How To Garden Flowers Under Trees

Shade trees are a prominent feature in the average homeowner’s landscape, but people often find it difficult to get grass and flowers to grow in the shady area beneath the branches. The property owner may be willing to settle for a layer of mulch to hide the bare spots, but certain plants can be used to create a beautiful garden of shade loving foliage, like hosta plants, and flowers. The project will require more effort and research than the typical flower garden, the the result can be truly stunning.

Site Preparation is Important

Bumps On A Log

Bumps On A Log. Photo by Thomas

Simply digging up the ground beneath a tree in order to put in some plants is not a good idea since this may damage the roots of the tree. While the plan is to beautify the area beneath the tree, cutting into or removing even a small part of the root system could cause the tree to die. A damaged or dying tree would be a great disappointment for the homeowner to say the least, so proper care should be taken to avoid harming the tree roots.

While it does take some time and physical effort, creating a raised bed around the tree is both aesthetically pleasing and beneficial to the tree and any vegetation planted under it. The raised bed also makes it easier to mow the grass around the garden. The size of the tree will dictate how large this space should be, but it may be as large or small as the homeowner prefers. Bricks or stone can be used to build a low retaining wall before the garden dirt and topsoil needed for the plantings is added. Shade loving plants typically prefer loamy soil that is high in nutrients, so a mix of aged compost and bagged soil should be used to fill the bed.

Choosing the Right Plants

Shade loving plants are not always the brightest and most showy, but there are many choices of attractive foliage plants and flowers. Most plants that prefer to grow in a shady area will also tolerate filtered sunlight, like colocasia esculenta, but they should never be exposed to direct sunlight for more than an hour or two. Too much heat could make them wilt and also deplete the moisture in the soil. A lot of great information is available at online gardening sites. Several filters can be used to identify the best plants to grow in the shady garden beneath a tree.

Climate is probably the most important consideration in choosing plants so searching by zone is important. Additional filters that produce a list of annuals, perennials, flowers, foliage plants and shrubs will provide more essential information. Most gardeners include a variety of flowering shrubs, foliage plants and perennial flowers in their basic garden. Adding some colorful annual flowers and foliage plants gives the gardener the ability to change the color palate and presentation of the garden year after year.

Choose Plants That Bloom in Various Seasons

Beautiful Flowers Unders

Beautiful Flowers Unders . Photo by @sage_solar

Crocus and some varieties of tulips bloom in early spring, often while there are still a few patches of snow on the ground. If the shade tree is deciduous, the bare branches will not block sunlight during early spring so these early bulbs will provide a color show long before the other flowers planted there. Bleeding hearts are an early spring perennial that is not bothered by an occasional temperature dip below the freezing mark, and their graceful stems hang heavy with pretty heart-shaped flowers well into late spring. Lily-of-the-Valley is another spring blooming perennial flower that requires little care and gradually spreads to fill in the spaces between larger plants. The delicate white flowers have a sweet scent and are suspended from foliage that remains an attractive green all summer.

When the flowers growing from bulbs have faded and dropped their petals, it is time for late spring and early summer flowers to take center stage. Astilbe adds a bright punch of pink, white and red color to the shade garden when it begins blooming in late spring. This perennial grows to 24 inches and the showy flowers last through midsummer. A toad lily does not sound very attractive, but these flowers are beautiful and are available in a variety of colors. The bulbs can be purchased as a collection of colors and these perennials bloom from late summer through fall.

Most gardeners plant a few varieties of shade loving annuals that will provide continuous color throughout the summer months. Balsam is a fast growing annual that blooms profusely throughout the summer and fall until the temperatures get too chilly. The plant stands about 15 inches high and colorful white, pink, lavender and red flowers sprout from the stems. Begonias and Impatiens are also great annuals that flower all summer, and they should be used in the front of the garden since these plants are relatively short. Foliage Plants Offer Size and Substance

There are a number of foliage plants that do very well in shady areas. Coleus is probably the most widely used, and it is available in many colorful shades and leaf patterns. Since the plant averages about 12 to 15 inches in height, it works well as a background for the small annual border flowers. It is important to pinch off the flower stalks that grow upward from the Coleus leaf to encourage the plant to spread out rather than grow into a tall and gangly shape.

Perhaps the most widely used foliage plant for shade gardens is the Hosta Lily. This is a perennial bulb that also comes in a wide variety of colors and shapes. The leaves begin poking their heads above the ground in spring and the plant quickly grows to full size within just a few weeks. By mid-summer flower stalks will rise above the leaves and delicate white or lavender flowers will be suspended from them. While the flowers are attractive, Hostas are used primarily for their beautiful foliage.

Plant With Care

Flowers

Flowers. Photo by leemark

Although a raised bed offers ample depth for putting in most plants, some holes will need to be dug a little deeper. It is important to avoid damaging the tree roots, so care should be taken to dig between the roots. The problem area beneath a tree can become a lovely garden when properly prepared and planted. However, it is also important to maintain the garden according to the requirements of each plant growing there.

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  1. I had inpatients planted under 2 of my trees last summer, half way tru they all turned yellow and died! After reading up on the air born fungus that attacked them! Is it true I should not plant inpatients there this year? I’m looking for a colorful annual to plant in place of them, if this is the case! (And I’m not a begonia lover)

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