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PlantFiles: Encrusted Saxifrage, Silver Saxifrage
Saxifraga hostii

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Family: Saxifragaceae (saks-ih-frag-AY-see-ee) (Info)
Genus: Saxifraga (saks-if-FRAG-uh) (Info)
Species: hostii

2 members have or want this plant for trade.

Category:
Alpines and Rock Gardens
Perennials

Height:
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 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)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer

Foliage:
Grown for foliage
Evergreen
Silver/Gray
Smooth-Textured
Leathery-Textured

Other details:
Average Water Needs; Water regularly; do not overwater
Suitable for growing in containers

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

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball
From herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

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

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to view:

By trilian15
Thumbnail #1 of Saxifraga hostii by trilian15

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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Todd_Boland On Dec 1, 2004, Todd_Boland from St. John's, NL (Zone 5b) wrote:

Saxifraga hostii appears much like a larger version of S. paniculata, but it is not quite a silvery in colour. The rosettes are grey-green with white, encrusted edges. The flower stems rtise12-24" with a loose spray of white, red-spotted flowers. They are native to limestone regions of the southern and eastern Alps.

Regional...

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

Lakeville, Minnesota



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