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Products > Allium unifolium
 
Allium unifolium - One-leaf onion

Note: This plant is not currently for sale. This is an archive page preserved for informational use.  

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Habit and Cultural Information
Category: Bulb/Tuber/Rhizome etc.
Family: Amaryllidaceae (Onions)
Origin: California (U.S.A.)
Flower Color: Lavender Pink
Bloomtime: Spring/Summer
Height: 1-2 feet
Width: <1 foot
Exposure: Full Sun
Summer Dry: Yes
Deer Tolerant: Yes
Irrigation (H2O Info): No Irrigation required
Winter Hardiness: < 0 F
Allium unifolium (One-leaf onion) - Native California bulb that forms clumps of grass-like slightly flattened 16 inches tall leaves with taller stalks bearing an umbel of 1/2 inch long lavender pink flowers from late May into July with papery tepals surrounding developing fruit that prolongs the display. Plant in full sun in most soil types - does particularly well in clay soils. Irrigate in spring (if natural rainfall is light) to early summer - allow to go dry when dormant. Allium unifolium is native to moist grasslands along forested and chaparral areas along the coastal ranges of California from Humboldt County south to San Luis Obispo County. The specific name "unifolium" and common name One-leafed onion is misleading as there are usually 2 and sometimes 3 or 4 leaves instead of one as these names would imply.  The information on this page is based on research conducted about this plant in the San Marcos Growers library, from online sources, and from observations made of the crops growing in our nursery, plants in the nursery's garden and those in other gardens where we may have observed it. We also have incorporated comments received from others and welcome getting feedback from those who may have additional information, particularly if this information includes cultural information that would aid others in growing Allium unifolium.
 
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