You can divide the clumps after they have tripled in size usually after two seasons. The best time to divide is in fall, because the plants' roots will have time to grow and establish before the hot, stressful summer months.
Furthermore, when should coral bells be pruned? It is better to prune coral bells during early spring or late winter when they start growing again. Cut off any foliage that dies during this growth phase.
Division: Divide heuchera as you would any other perennial. Dig the plant out of the ground and cut the root mass into pieces with a shovel or knife. Replant divisions with the crown at the soil level. This can be done every two to three years to keep the plants vigorous. Coral bells plants prefer partial shade but can take more sun in cold climates.
Give them well-drained, moist, rich soil that's neutral to slightly acidic, with a pH of 6. Some species, like H. Divide and transplant coral bells in spring or early fall when the plants are not actively blooming. Wait until a cool, overcast day to transplant, or do it in the morning when the weather is cool and moist.
Are coral bells sun or shade? One of the most versatile perennials you can grow in zones is Coral Bells Heuchera. Here's a plant that will grow in any amount of sunlight, from full sun to full shade, as long as you water it. Ideally, coral bells prefer partial shade and average moisture levels. Choose an area with light shade and mix some organic compost into the planting hole for extra nutrients. Plant the Heuchera, making sure the crown of the plant where the top of the roots join the stem is right below soil level.
Backfill the soil around the roots. Water the Heuchera deeply, giving it a good drink to start. Place a 2- to 3-inch layer of mulch around the base of the plant to protect the roots from heat, injury and weed competition. Sarah Morse has been a writer since , covering environmental topics, gardening and technology. She holds a bachelor's degree in English language and literature, a master's degree in English and a master's degree in information science.
Share this article. Scatter compost or mulch around the plants to tidy the garden site and retain soil moisture and moderate soil temperatures. Keep organic matter at least 2 inches away from the leaf stem bases to prevent rot. You can divide and transplant the coral bells anytime from fall to early spring as long as the soil is not frozen or waterlogged. Retain all living foliage on this perennial during and after the transplanting. In the spring, few if any leaves may be present after a hard winter, but leaves will soon emerge as soil warms.
In cold winter regions, such as USDA Hardiness Zones 4 and 5, it may be best to dig and transplant coral bells in mid-spring just before the new leaves appear and the soil is workable. An autumn transplant in areas with early, long winters may render the coral bells' roots dehydrated, frost-damaged, or dead by spring.
Jacob J. Wright became a full-time writer in , with articles appearing on various websites. Wright holds a graduate diploma in environmental horticulture from the University of Melbourne, Australia, and a Master of Science in public horticulture from the University of Delaware.
Share this article. Heuchera image by Cambo from Fotolia. Tip You can divide and transplant the coral bells anytime from fall to early spring as long as the soil is not frozen or waterlogged.
Warning In cold winter regions, such as USDA Hardiness Zones 4 and 5, it may be best to dig and transplant coral bells in mid-spring just before the new leaves appear and the soil is workable.
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