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Marrubium supinum

 
Marrubium supinum
scallop shell
Common name scallop shell
Family lamiaceae
Life cycle perennial (Z7-10)
Flowers pink
Size 18-24"
Light sun-part shade
Cultural notes prefers poor, well-drained soil

Horehound relative. Its rated hardiness is only to zone 7, but my crop of seedlings survived last winter's sub-zero temperatures, so I'm optimistic they'll be around for the duration. They started blooming in late May of their second year, with clusters of intricate purple/white flowers arranged around the stems. I'm hoping for a fuller foliage look in years to come, because the silvery-green quilted leaves are attractive too.

In our garden, this plant grows in the following area: big pond

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Seed-starting details for this plant

[2008 Seed from '07 trade. Baggy 70F (93%G, 5-10d)

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Last modified: June 01, 2009
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