Hieracium Species, Hairy Hawkweed, Wooly Hawkweed

Hieracium tomentosum

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Hieracium (hi-er-uh-KEE-um) (Info)
Species: tomentosum (toh-men-TOH-sum) (Info)

Category:

Alpines and Rock Gardens

Perennials

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Sun Exposure:

Full Sun

Foliage:

Herbaceous

Succulent

Foliage Color:

Bronze

Height:

6-12 in. (15-30 cm)

12-18 in. (30-45 cm)

Spacing:

6-9 in. (15-22 cm)

9-12 in. (22-30 cm)

Hardiness:

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)

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)

Where to Grow:

Unknown - Tell us

Danger:

N/A

Bloom Color:

Bright Yellow

Bloom Characteristics:

Unknown - Tell us

Bloom Size:

Unknown - Tell us

Bloom Time:

Mid Summer

Other details:

May be a noxious weed or invasive

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:

By dividing the rootball

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds

Regional

This plant is said to grow outdoors in the following regions:

Denver, Colorado(2 reports)

Gardeners' Notes:

No details have been posted.

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