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This means you will cut back hostas sometime in the late fall to early winter when the temperatures have dropped below 30 degrees F. The plant will become limp and wilted, which is the sign that ...
The biggest mistake you can make is delaying (or avoiding) the pruning process. Many other fall perennials can usually be cut back in spring, but hostas are different. Brown decaying foliage makes ...
"Basil can tolerate a fair amount of pruning because it grows quickly during the warm months, but you don’t want to cut back more than about two-thirds of the plant at one time to avoid shocking ...
Tender plants are those killed by freezing temperatures, while hardy plants survive freezing—at least down to certain temperatures, depending on the plant. "Half-hardy" is a term used sometimes in horticulture to describe bedding plants which are sown in heat in winter or early spring, and planted outside after all danger of frost has passed.
Hostas in the 'Undulata' group include an all-green cultivar, 'Undulata Erromena'; a white-edged cultivar, 'Undulata Albomarginata'; and white-centered (medio-variegated) cultivars that may be grouped according to the amount of white in the leaf. The typical H. 'Undulata' has a wide white center, wider than the green of the margins.
Freezing tolerance can be assessed by performing a simple plant survival assay or with the more time consuming but quantitative electrolyte leakage assay. [ 5 ] Plants are not the only organisms capable of withstanding subzero temperatures.
Basil cultivars vary in several ways. Visually, the size and shape of the leaves varies greatly, from the large lettuce-like leaves of the Mammoth basil and Lettuce leaf basil to the tiny leaves of the Dwarf bush basil. More practically, the fragrance of the basil varies due to the varying types and quantities of essential oils contained in the ...
African blue basil (Ocimum kilimandscharicum × basilicum 'Dark Opal') is a hybrid basil variety, a cross between camphor basil and dark opal basil. It is one of a few types of basil that are perennial. African blue basil plants are sterile, unable to produce seeds of their own, and can only be propagated by cuttings. [1]