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Callirhoe papaver

Callirhoe papaver
woodland poppy mallow

Common name woodland poppy mallow
Family malvaceae
Life cycle perennial (Z6-9)
Flowers purple-pink (summer)
Size 12"
Light sun
Cultural notes well drained soil
From seed Scarify seeds and germinate at room temperature. Self-seeds moderately in our garden.
Flowers first year from seed sown indoors early.
detailed seed-starting info below

Similar to C. involucrata, which we've grown for years. In this species, the flowers are held somewhat higher above the foliage. And at least our single seed-grown specimen has more deeply cut but at the same time more smoothly lobed leaves, for a rather different look. It found a home in our rock garden, where it amazed me by throwing up new flowers pretty much year round. Its sprawling habit is perhaps not the best fit for a rock garden, but for now I like the way it blends with the surrounding plants without overwhelming them. I noticed a number of seedlings in late winter, so I have to be a little careful to not let too many individuals grow to maturity – but in practice it has worked out nicely, with only a few seedlings developing into larger plants, which I've been happy to transplant to other parts of the garden to do their cheerful thing.

Callirhoe papaver
Busily flowering in February of its second year, amid the weeds that have amassed themselves while I took the winter off

In our garden, this plant grows in the following areas: Houston rock garden, foundation border, back fence border, left fence border

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Seed-starting details for this plant

  1. Seed from '14 trade. Dehusked, sandpapered. Baggy 70F (33%G, 4-21d)
  2. Seed from '14 trade. Pot outside 11/10 (1 seedling, 3w)
  3. Seed from '19 garden. Dehusked, sandpapered. Baggy 70F (70%G, 5-16d)
  4. Seed from '20 garden. Dehusked, sandpapered. Baggy 70F (63%G, 3-8d)

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