Frostweed
Helianthemum canadense

Family: Cistaceae
Genus: Helianthemum (hee-lee-AN-thee-mum) (Info)
Species: canadense (ka-na-DEN-see) (Info)

Category:

Perennials

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Where to Grow:

Unknown - Tell us

Height:

6-12 in. (15-30 cm)

12-18 in. (30-45 cm)

Spacing:

Unknown - Tell us

Hardiness:

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)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

Unknown - Tell us

Bloom Color:

Pale Yellow

Bloom Time:

Mid Spring

Late Spring/Early Summer

Foliage:

This plant is fire-retardant

Other details:

This plant may be considered a protected species; check before digging or gathering seeds

Soil pH requirements:

5.1 to 5.5 (strongly acidic)

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

Patent Information:

Unknown - Tell us

Propagation Methods:

Unknown - Tell us

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Allow seedheads to dry on plants; remove and collect seeds

Regional

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

Erie, Michigan

Saint Helen, Michigan

Rockbridge, Ohio

Swanton, Ohio

Gardeners' Notes:

No details have been posted.