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Now is the time to divide crowded perennials such as cannas, gerberas, daylilies and stokesia, shown above. Division involves cutting large clumps into smaller sections, making sure that each smaller clump has an adequate supply of stems, leaves, roots and buds to survive transplanting. Ferns, orchids, daylilies, bulbous plants, nandina and liriope are commonly propagated by division. Some plants can be pulled apart, but many must be cut. Transplant the separated clumps at the same depth they were growing originally. Do not divide plants when they are flowering, but any other time during the growing season is suitable as long as adequate care is provided after planting.
Prune camellias after flowering. Cut branches just above the point where last year's growth ends. Remove most of the new growth to control the plant's size. Rake up any fallen blooms and leaves and put down a fresh layer of mulch to help avoid petal blight next year. As new growth begins, look for aphids, which cause the new leaves to be curled and distorted. Spray with a light horticultural oil for control if necessary. Oil should also control scale insects that may be found living on the backs of leaves. You will need to spray two to three times seven to 10 days apart.
Prune hibiscus at the end of February or early March. Hibiscus can be pruned throughout the summer to keep it from becoming leggy, however you will sacrifice a certain amount of blooms whenever you prune.
Sources: Carol Suggs and Theresa Badurek, Pinellas County Extension Service. Learn more at askextension.org or pinellascountyextension.org.
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