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Petrocallis pyrenaica

Petrocallis pyrenaica
Petrocallis pyrenaica
Synonym(s) Draba pyrenaica
Family brassicaceae
Life cycle perennial
Flowers lilac, pink, or white (late spring-summer)
Size 1-2"
Light sun
Cultural notes well-drained soil; drought-tolerant
From seed germinate at room temperature
detailed seed-starting info below

This tiny perennial is native to mountain ranges in southern Europe. I had just one seedling survive, and nearly missed witnessing its first bloom (in its second year of life), since the flowers are hardly conspicuous. I'm pretty sure it's misidentified, since online photos show a much more strongly tufting/cushioning plant. Perhaps our plant, whatever it is, will develop a more robust habit later in life; if not, I can find alpine plants with a stronger presence to take its place in the rock garden. So far, it's survived into a third year, and has established itself somewhat more strongly.

Petrocallis pyrenaica
Typical mustard-type seed pods developing from the lowest flowers upward
Petrocallis pyrenaica

This plant used to grow in our garden, but it slipped away...

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Seed-starting details for this plant

  1. Seed from NARGS '08/'09 exchange, cold-stored through summer. Baggy 70F (85%G, 5-8d)

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