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PlantFiles: Rattlesnakeweed
Hieracium venosum

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Hieracium (hi-er-uh-KEE-um) (Info)
Species: venosum (ven-OH-sum) (Info)

9 members have or want this plant for trade.


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

6-9 in. (15-22 cm)

USDA Zone 3b: to -37.2 C (-35 F)

Sun Exposure:
Sun to Partial Shade
Light Shade

Unknown - Tell us

Bloom Color:
Pale Yellow
Bright Yellow

Bloom Time:
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall


Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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to view:

By gtr1017
Thumbnail #1 of Hieracium venosum by gtr1017

By gtr1017
Thumbnail #2 of Hieracium venosum by gtr1017

By greenthumb99
Thumbnail #3 of Hieracium venosum by greenthumb99

By greenthumb99
Thumbnail #4 of Hieracium venosum by greenthumb99


No positives
1 neutral
No negatives

Gardeners' Notes:

Neutral Sasha24641 On May 15, 2008, Sasha24641 from Richlands, VA (Zone 6a) wrote:

These are growing along the edge of the woods, near my yard. Unusual looking plants. =)


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

Cumberland, Maryland
Saint Helen, Michigan
Glen Rock, Pennsylvania
Blacksburg, Virginia
Leesburg, Virginia
Richlands, Virginia
Roanoke, Virginia
Great Cacapon, West Virginia

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