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Cirsium japonicum 'White Frosted'

 
Cirsium japonicum 'White Frosted'
japanese thistle
Common name japanese thistle
Family asteraceae
Life cycle perennial (Z5-9)
Flowers purple-pink (fall)
Size 3'
Light sun-part shade
From seed germinate at room temperature
detailed seed-starting info below

One of several cultivars of this thistle, which occurs as a wildflower in Japan. As thistles go, this one is reportedly mild in its prickliness. The basal leaves are white-variegated, topped in fall by purple-pink flowers.
Just in case it perished before maturing, I snapped a photo of the seedlings, shortly after planting them in our nursery holding area (above right). The first-year plants developed slowly at first, looking a bit bedraggled in mid-summer. But then suddenly in mid-September, I noticed they had matured considerably: their roundish juvenile leaves had made place for more jagged thistly leaves, attractively variegated (above left). I'm looking forward to seeing how they'll do in years to follow.

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 HPS/MAG '09/'10 exchange. Baggy 70F (70%G, 4-12d)
  2. Same seed as above. Baggy 70F (8%G, 11d - seedling did not develop)


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