Many traditional spring bulbs perform well in mild climates, but insufficient winter chill challenges some while creating opportunities for others. Here's how to choose and grow bulbs in warm-winter regions.
Classic early spring symbols, easy, perennial in mild climates. Plant in drifts, under trees, in borders, or pots. 'Dutch Master', 'February Gold', 'Gigantic Star' do well. USDA 3–9, full sun/light shade, 6–24" high. Bloom late winter to early spring (midwinter in California). Plant mid-late fall, 6–8" apart, 2–3x bulb height deep. Water after planting, keep moist. Cut faded flowers; leave leaves 6+ weeks. Leave in ground (avoid heavy summer water) or dig/store.
Dutch hybrids for formal beds/containers; species tulips like T. clusiana chrysantha
Dutch hybrids (e.g., 'Peter Stuyvesant') are plush, fragrant, one-season in mild climates. Plant where scent is enjoyed. USDA 5–9, full sun/partial shade, 6–14" high. Buy large bulbs for large flowers. Chill like tulips. Plant mid-late fall, 5" deep, 5" apart. Discard after bloom. Vivid Tecolote hybrids (white, yellow, orange, red, pink) outstanding in borders/pots. USDA 8–10 (fall planted), full sun, up to 2 ft high. Bloom late winter/early spring. Plant tuberous roots fall, pointed down, 2" deep, 6" apart. Water, wait for leaves before watering again unless dry. Protect from birds. Stake floppy plants. Cut faded flowers, let dry, dig/store—may repeat second year. Sweet fragrance, longer bloom than most spring bulbs. White most common; also yellow, orange, red, pink, blue. Can naturalize in favored mild climates. USDA 9–10, full sun/partial shade, 12–18". Plant corms fall, 2" deep, 2" apart. After bloom, dig/store dry when leaves yellow, or leave for following years. Pint-sized harbingers, fun in sunny winters. Squeeze between rocks, pavers. C. chrysanthus popular (white, yellow, blue, purple). USDA 3–9, full sun, 2"+ high. Bloom early spring (some fall). Plant corms fall, 3" deep, 3" apart. Leave in place—may return or not. Includes onions, garlic, chives, and spring-blooming bulbs like softball-sized Allium giganteum. Few bulbs make a show. USDA 4–10, full sun, 6"–2+ ft. Bloom spring/summer. Plant fall, 3" deep, 6–8" apart, pointy end up.
Hyacinths (Hyacinthus)
Ranunculus (Ranunculaceae)
Freesia (Iridaceae)
Crocus (Crocus)
Allium (Liliaceae)
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