Archive for the ‘Siberian Wallflower (Cheiranthus)’ Category

Siberian Wallflowers – Tough Winter Annuals

In areas of the U.S. where winters are mild, Siberian Wallflower (Erysimum cheiri), (formerly Cheiranthus cheiri), is  an early flowering favorite in the late winter garden. The species hails from Southern Europe (USDA hardiness zones 7-9). Many books list them as biennials and a few as “tempermental perennials”. Wallflower is a woody-based herbaceous perennial subshrub in the mustard […]

When To Cut Back Foliage Of Spring Flowering Bulbs

Once your tulips, daffodils and other spring flowering bulbs have bloomed, don’t be in a hurry to cut off the stems and leaves.  Plant foliage serves an valuable role in the health and growth of bulbous plants. The green leaves absorb sunlight and carbon dioxide as a part of the process of photosynthesis. The spent blossoms […]