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Rosularia sempervivum

Rosularia sempervivum
Rosularia sempervivum
Family crassulaceae
Life cycle perennial
Flowers white-pink (summer)
Light sun-part shade
Cultural notes sharply drained soil

Succulent native to western Asia. Rosettes of blue-green leaves, white to pale pink flowers. Hardiness is a question, but certainly enhanced by good drainage. The photo above right was taken of subsp. glaucophyllum in July of its first year. Both seedlings made it through their first winter, and one of them made it through its second season, planted in a cranny of our rock garden (above left). That was as it, though – it disappeared soon afterwards.
The more recent crop of seedlings are from subsp. pestalozzae. I hope to keep them alive long enough to see their real habit.

Rosularia sempervivum
subsp. pestalozzae seedlings

We left this plant behind in our Pennsylvania garden (and wish it well); we don't grow it in Houston.

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Seed-starting details for this plant

  1. Seed for ssp. glaucophylla from NARGS '08/'09 exchange. Sprinkled dust-like seed on top of pot with sandy mix (70F; two out of many germinated, 3-4w)
  2. Same seed as above. Sprinkled on top of pot with regular PgX mix, 70F (8 out of many germinated, 3-5w)
  3. Seed for ssp. pestalozzae from NARGS '13/'14 exchange, cold-stored. Baggy 70F with light (14/many G, 6-24d)

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