Saxifraga Species, Encrusted Saxifrage, Silver Saxifrage
Saxifragalongifolia

Family: Saxifragaceae (saks-ih-frag-AY-see-ee)
Genus: Saxifraga (saks-if-FRAG-uh)
Species: longifolia (lon-jee-FOH-lee-uh)

Category
Alpines and Rock Gardens

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Grown for foliage
Evergreen
Smooth

Foliage Color
Bronze

Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing
12-15 in. (30-38 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)

Where to Grow
Can be grown as an annual

Danger

Bloom Color
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer

Other details

Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information

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
This plant is monocarpic

Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds