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Calandrinia grandiflora

Calandrinia grandiflora
rock purslane

Synonym(s) Cistanthe grandiflora
Common name rock purslane
Family portulacaceae
Life cycle tender perennial (Z8)
Flowers purple (summer)
Size 24"
Light sun-part shade
Cultural notes well-drained soil
From seed germinates readily at room temperature, with exposure to light
detailed seed-starting info below

Succulent plant native to Chile. Flowers rise on delicate stems over a mound of gray-green leaves. Tender perennial, sometimes grown as an annual - ours started flowering in late May, from an indoor start in late winter. References conflict on whether Calandrinia or Cistanthe is the proper genus for this plant.

Calandrinia grandiflora
Fat buds in late May

We're re-establishing this plant this year (it used to grow in our garden, but slipped away)

About my plant portraits
PlantLinks to other web pages about Calandrinia grandiflora

Seed-starting details for this plant

  1. Seed from '08 trade. Baggy 70F with light (78%G, 3-10d)
  2. Same seed as above. Baggy 70F with light (56%G, 3-9d)
  3. Seed from '10 garden. Baggy 70F with light (5%G, 8-14d)
  4. Seed from '10 garden. Baggy 70F with light (5%G, 8-14d)
  5. Seed from NARGS '17/'18 exchange. Baggy 70F with light (63%G, 5-8d)
  6. Same seed as above. Baggy 70F with light (~40%G, 8-10d)

Seedlings don't survive long in baggy after germination - pot up quickly.

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