Shaggy Hawkweed
Hieracium villosum

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

Category:

Perennials

Foliage Color:

Silver/Gray

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Where to Grow:

Unknown - Tell us

Height:

12-18 in. (30-45 cm)

Spacing:

12-15 in. (30-38 cm)

Hardiness:

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:

Full Sun

Danger:

Unknown - Tell us

Bloom Color:

Bright Yellow

Bloom Time:

Late Spring/Early Summer

Foliage:

Unknown - Tell us

Other details:

May be a noxious weed or invasive

Soil pH requirements:

Unknown - Tell us

Patent Information:

Non-patented

Propagation Methods:

By dividing the rootball

From seed; direct sow outdoors in fall

From seed; direct sow after last frost

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Sep 1, 2001, mystic from Ewing, KY (Zone 6a) wrote:

This a clump forming perennial that has large, feathery, yellow flowers that bloom June to July. The foliage is silver-gray. It self seeds and can become invasive.