Centaurea atropurpurea, Red Knapweed
$13.50
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Large, ruby-red thistle-type blooms ride atop tall strong stems. Before the flowers appear, attractive buds of brown and green scales require you to move in close for a better look. A rosette of long, feathery, silver-gray leaves support this garden gem. Mature size: 3-4 feet tall & 2-3 feet wide Minimum temperature: -20° F
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