Silphium radula (Roughstem Rosinweed)
from $6.00
Latin Name: Silphium radula
Common Name: Roughstem Rosinweed
Usual Height: 3-4 feet, can reach 7 feet
Bloom: May-June; yellow; 1.5 inches across
Soil: Sand, loam, clay; well drained
Full Sun
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Latin Name: Silphium radula
Common Name: Roughstem Rosinweed
Usual Height: 3-4 feet, can reach 7 feet
Bloom: May-June; yellow; 1.5 inches across
Soil: Sand, loam, clay; well drained
Full Sun
Latin Name: Silphium radula
Common Name: Roughstem Rosinweed
Usual Height: 3-4 feet, can reach 7 feet
Bloom: May-June; yellow; 1.5 inches across
Soil: Sand, loam, clay; well drained
Full Sun