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Petrophytum cinerascens |
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| Synonym(s) |
Spiraea cinerascens |
| Common name |
Chelan rockmat |
| Family |
rosaceae |
| Life cycle |
perennial |
| Flowers |
white |
| Size |
2-8" |
| Light |
sun |
| Cultural notes |
well-drained soil |
From seed  |
germinate at room temperature
detailed seed-starting info below
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Native to the U.S. northwest. Shrubby plant forms dense cushions of silvery foliage. Candles of white flowers appear in summer. Needs very good drainage, especially in winter.
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About my plant portraits
PlantLinks to other web pages about Petrophytum cinerascens
- Seed from NARGS '09/'10 exchange. Baggy 70F (good G, 4-15d). Couldn't readily make out what was seed among the particles in the packet.
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