Robertsoniana Saxifrage
Saxifraga x geum

Family: Saxifragaceae (saks-ih-frag-AY-see-ee) (Info)
Genus: Saxifraga (saks-if-FRAG-uh) (Info)
Species: x geum (JEE-um) (Info)

Category:

Groundcovers

Perennials

Height:

under 6 in. (15 cm)

6-12 in. (15-30 cm)

12-18 in. (30-45 cm)

Spacing:

15-18 in. (38-45 cm)

Hardiness:

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)

Sun Exposure:

Sun to Partial Shade

Light Shade

Partial to Full Shade

Danger:

Unknown - Tell us

Bloom Color:

White/Near White

Bloom Time:

Late Summer/Early Fall

Foliage:

Evergreen

Dark/Black

Leathery-Textured

Other details:

Average Water Needs; Water regularly; do not overwater

Soil pH requirements:

5.6 to 6.0 (acidic)

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

Plant is viviparous

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

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

Blaine, Washington

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Dec 7, 2004, Todd_Boland from St. John's, NL (Zone 5b) wrote:

This hybrid is a cross between S. hirsuta and S. umbrosa. Overall, it looks like a round-leaved form of London Pride and is essentially useful in the same role as the London Pride. Saxifraga X geum naturally occurs in Spain, in places where both parents occur.