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Erythronium tuolumnense (photo courtesy of Denver Botanic Gardens)
Erythronium tuolumnense (photo courtesy of Denver Botanic Gardens)

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Zone
Zones 2-7, 14-17
Partial Sun
Partial
Regular Water
Moderate

Erythronium tuolumnense

Liliaceae
Bulbs and bulblike plants, Perennials, Flowers

ERYTHRONIUM

Spring-flowering plants with dainty, nodding, lily-shaped blooms 1–1 1/2 in. across, on stems usually 1 ft. high or less. All have two (rarely three) broad, tongue-shaped basal leaves; these are mottled in many species. Set out in groups under deciduous trees, in rock gardens, beside pools or streams; give rich, porous soil. Plant bulbs in fall, as soon as you receive them; don’t let them dry out. Set 2–3 in. deep, 4–5 in. apart. Western species need no water during dormancy. Divide clumps infrequently—only when vigor and bloom quality decline.

Erythronium tuolumnense

Native to California. Robust plant with solid green leaves and 12–15-in.-tall stems. Golden yellow flowers are greenish yellow at base. ‘Kondo’ is an extra-vigorous selection.

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