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Tried and True Shade Annuals

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Begonia Dragon Wing
Photo Credit: Lane Greer
Shade annuals planted around the base of a large tree make a striking formal statement. (Just remember they may require more water.)
Selecting the right summer annual can add a long-lasting splash of color to a shady landscape. Shade-loving annuals come in a myriad of colors, sizes and textures. They can be used in mass plantings, accent areas or placed in containers to bring vibrancy to a shady spot.

When you think of annuals for shade gardens, one obvious contender pops into mind – impatiens (Impatiens wallerana). Although there are several other good options for shady locations, impatiens almost always create a spotlight in a shady garden. They’re fast growers, inexpensive and are disease- and insect-resistant. From red to white, orange to purple, they come in a wide range of colors, making a striking appearance when planted in mass. They tend to be thirsty growers, so when planted under trees, realize that they may loose out to the tree in competition for water and may wilt frequently. (So be prepared to water often or install an irrigation system.)

Begonias (Begonia semperflorens-cultorum) are another old favorite for shady locations. With a variety of foliage hues and a few basic flower colors, begonias can work well in almost any situation. They’re striking in a group, work well in containers and, best of all, are inexpensive. Begonias do best in partial shade to avoid leggy plants and lackluster flower production. Look for angel wing begonias, Dragon Wing® begonias or double-blooming begonias, for a twist on the traditional.

If you have a shade garden, you’re one of the few lucky people who can enjoy caladiums (Caladium x hortulanum) for a striking splash of foliage color in the landscape. Caladiums are foliage plants that come in vibrant shades of pink, white, red and unusual shades of green. Though these annuals do produce flowers, they’re not showy and should be removed so the plants use all of their energy to produce more foliage.

Tips
  • For flowering annuals, avoid fertilizers that are high in nitrogen. Nitrogen promotes foliage growth rather than flower production. A balanced fertilizer (where all three numbers on the bag are equal, such as 20-20-20) is a better choice.
Tools
  • Let your trowel work for you. To space annuals equally, measure on your hand trowel the distance you would like the plants to be, then use the trowel as a measuring stick to indicate the proper spacing for the next plant.
Definitions
  • Foliage Plant: A plant that’s grown for the beauty of its leaves, rather than its flowers.
  • Specimen Plant: A plant that has a quality so unusual or striking that one plant added to the landscape creates a focal point or point of interest.
 
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