Heterotheca Species, Hairy Golden Aster

Heterothecavillosa

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Heterotheca (het-er-oh-THEEK-uh)
Species
villosa (vil-OH-suh)
Synonym
Chrysopsis villosus
Sun Exposure
Full Sun
Foliage
Herbaceous
Succulent
Height
24-36 in. (60-90 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)
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)
Danger
N/A
Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Bronze
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
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)
7.9 to 8.5 (alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

Flagstaff, Arizona

Ewing, Kentucky

Santa Fe, New Mexico

Landenberg, Pennsylvania

Cranston, Rhode Island

South Jordan, Utah

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Gardener's Notes:

1
positive
1
neutral
0
negative
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B
Landenberg, PA (Zone 6b) | March 2007 | positive

OK, it is a weedy thing that will seed around a bit, but hey, it's a native here in PA so that's ok. Its brilliant yellow flowers beauti...Read More

S
Santa Fe, NM | September 2004 | neutral

In Santa Fe we officially received 7.6" precip in 2003, and even in drought this plant grows all over the place in areas of my yard I nev...Read More

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