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Helianthemum, Common Rock Rose, Sun Rose 'Wisley White'

Helianthemumnummularium

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Helianthemum nummularium by RosinaBloom
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Genus
Helianthemum (hee-lee-AN-thee-mum)
Info
Species
nummularium (num-ew-LAH-ree-um)
Info
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Evergreen
Height
6-12 in. (15-30 cm)
Spacing
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Hardiness
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

Unknown - Tell us

Bloom Color
White/Near White
Bloom Time
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Other Details
Category
Groundcovers
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color

Unknown - Tell us

Where to Grow
Can be grown as an annual
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

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

Unknown - Tell us

Propagation Methods
By dividing the rootball
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional
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