Genus Tulipa (Tulip)

TEW-lih-pah Common Name: Tulip
Tulips originate in regions with cold winters and dry summers. (They require a cold treatment in order to bloom.) They are invaluable for early spring color in bedding schemes, parterres, cottage gardens, and mixed borders. Smaller species are suitable for rock gardens. Many only last and bloom reliably for one season (best treated as annuals, or lifted six weeks after blooming, dried, with only the largest bulbs replanted), but some of the species will naturalize. Many are suitable for forcing. Tulips are grouped into 15 divisions: Single Early, Double Early, Triumph, Darwin Hybrid, Single Late, Lily-flowered, Fringed, Viridiflora, Rembrandt, Parrot, Double Late, Daufmanniana, Fosteriana, Greigii, and Miscellaneous.
Noteworthy characteristics: These beloved bulbs offer a definite sign that winter is history, and spring is here to stay. Their vessel-like blooms take many forms—single, double, peony, fringed, and lily—and are offered in every color of the rainbow. Their diversity is enhanced by the varied patterning of colors; they can be margined, flamed from the base, striped, or chameleon.
Care: Grow in fertile, well-drained soil in full or afternoon sun. Plant to a depth of two and a half times the height of the bulb. In regions warmer than Zone 8, bulbs will need a cold treatment (40° to 45°F for 8 to 10 weeks).
Propagation: Sow seed of species in a cold frame or cold greenhouse in the fall. Divide offshoots in summer and replant.
Problems: Bulb and root rot, gray mold, slugs, snails, aphids, nematodes, voles.

Species, varieties and cultivars for genus Tulipa

Tulipa batalinii 'Bright Gem'
(Tulip)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This named variety of the species has soft sulfur-yellow flowers up to 3 inches across. The spring blossoms sit 4-6 inches high, surrounded by wavy-edged, gray-green foliage that reaches 8-10 inches tall. Species tulips prefer sharp drainage and plenty of room to grow. Most do well in rock gardens, small displays, and containers.

Tulipa linifolia
(Tulip)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This species tulip blooms in mid- to late spring with fire-engine-red flowers that look like open, pointed stars with purple centers. It reaches 4-6 inches tall and not quite as wide. Species tulips prefer sharp drainage and plenty of room to grow; they will often naturalize. Most do well in rock gardens, small displays, and containers.

Tulipa praestans 'Unicum' Tulipa praestans 'Unicum'
(Tulip)
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Hardiness Zones: 1 2 3 4 5 6 7 8 9 10 11

This bunch tulip has multiple orange-red flowers that bloom in spring above green leaves edged in creamy white. A species tulip, it is more likely to bloom in subsequent years. It reaches less than a foot tall and is stunning planted en masse.