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PlantFiles: Onionweed, Asphodel
Asphodelus fistulosus

 
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Family: Asphodelaceae (as-foh-del-AY-see-ee) (Info)
Genus: Asphodelus (as-foh-DEL-us) (Info)
Species: fistulosus (fist-yoo-LOW-sus) (Info)

Synonym:Asphodelus tenuifolius

Category:
Perennials

Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing:
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Hardiness:
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
White/Near White

Bloom Time:
Blooms all year

Foliage:
Evergreen

Other details:
May be a noxious weed or invasive
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Non-patented

Propagation Methods:
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

Click thumbnail
to view:

By Kelli
Thumbnail #1 of Asphodelus fistulosus by Kelli

By kennedyh
Thumbnail #2 of Asphodelus fistulosus by kennedyh

By Zaragoza
Thumbnail #3 of Asphodelus fistulosus by Zaragoza

Profile:

No positives
2 neutrals
1 negative

Gardeners' Notes:

RatingAuthorComment
Neutral frostweed On Dec 1, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Onionweed, Asphodel Asphodelus fistulosus is naturalized in Texas and other States.

Negative caron On Nov 25, 2004, caron from Woodland Park, CO (Zone 4b) wrote:

U. S. FEDERALLY LISTED NOXIOUS WEED.
Not allowed for import to the US and not allowed in any interstate or intrastate transportation without a specific permit from USDA APHIS PPQ (Plant Protection and Quarantine).

Neutral Kelli On Jan 6, 2004, Kelli from L.A. (Canoga Park), CA (Zone 10a) wrote:

This plant grew really well for me, but I don't recommend anyone in the U.S. grow it as it is a federal noxious weed.

Regional...

This plant has been said to grow in the following regions:

Canoga Park, California



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