Theodore Payne California Native Plant Database




Allium falcifolium

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Allium falcifolium
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Allium falcifolium
Allium falcifolium
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Allium falcifolium
Allium falcifolium bulb
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Allium falcifolium bulb

Botanical Name: Allium falcifolium
Common Name: Sickle-leaf Onion

Clumps of grass-like leaves with flowers in the Spring. The stems are green-brown, and the plant omits an onion smell when crushed. This form of onion is toxic and should not be eaten.


Plant Family: Amaryllidaceae

Plant Type: Bulb

Height by Width: 1' H

Growth Habit: Clumps of grass-like leaves

Deciduous/Evergreen: Summer dormant

Growth Rate: Fast

Sun Exposure: Full sun to part shade

Soil Preference: Affinity to serpentine and heavy soils

Water Requiremenets: Dry summer dormancy

Cold Hardy to: 8,600'

Flower Season: Spring

Flower Color: Red to Deep Red

Endangered? Not Listed

Distribution: Northwestern California, San Francisco Bay Area

Natural Habitat: Chaparral, Foothill Woodland, Mixed Evergreen Forest, Yellow Pine Forest

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Care and Maintenance

If planted in the ground, plant the base of the bulb at a depth three times the height of the bulb. This may be a better candidate for pot culture. In either case, stop watering once the leaves begin to turn brown, but keep leaves on the plant until they turn completely brown.

History

Other Names

References
  • Harlow, Nora and Kristin Jakob. Wild Lilies, Irises, and Grasses: gardening with California Monocots. Berkeley and Los Angeles, CA: University of California Press. 2003.

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