Tulip - Tulipa species Family: Liliaceae (Lily) Zone varies How to Plant: bulb; plant 4 to 8 inches deep and 4 to 8 inches apart in fall; deep planting (within reason) discourages bulbs multiplication and encourages good-sized flowers for several years; species tulips usually require shallower planting Habit: upright or clumped; 6 to 30 inches Foliage: usually basal; thick bluish green; untoothed; 6 to 10 inches long; Kaufmanniana and Greigii hybrids often have burgundy-or purple-mottled leaves Flower: usually solitary; erect; saucer-shaped; total of 6 petals and sepals (except doubles); multitude of colors and flower forms (there are over 400 named cultivars: common classes are Mendel, Fosteriana hybrids, Kaufmanniana hybrids, Greigii hybrids, Triumph, Darwin hybrid, Lily-flowered, Cottage, Rembrandt, Parrot, Double-flowered and Species tulips); early spring to spring Culture: well-drained, sandy, humus-rich soil in full sun or partial shade; plant in masses; bulbs may be moved or discarded in midsummer after foliage has withered; some gardeners plant new bulbs each year; remove faded flowers to avoid seed set from http://www.urbanext.uiuc.edu/bulbs/springbulbs.html |
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