Saxifraga paniculata ssp. cartilaginea 'Foster's Red'


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Presumably a selection by rock garden pioneer H. Lincoln Foster. Tight rosettes of silver-encrusted leaves are complemented by tall sprays of deep red flowers in spring. Thrives in the rock garden, containers, or other sunny areas with excellent drainage. Classic choice for tufa planting should you be so lucky.


Plant Type

  • Perennial / Bulb

Mature Size


Hardiness Zones

  • Zone 5b (-15 °F)
  • Zone 6a (-10 °F)
  • Zone 6b (-5 °F)
  • Zone 7a (0 °F)
  • Zone 7b (5 °F)
  • Zone 8a (10 °F)
  • Zone 8b (15 °F)

Sun Exposure

  • Part Shade - Part Sun

Water Needs

  • Moist
  • Moderate

Bloom Time

  • Spring
  • Summer