Centaurea ‘Snowy Owl’

2020 – Best New Variety Winner at the Colorado State University Flower Trial Garden. Large, velvety, white leaves contrast beautifully in mixed containers and summer borders. This tough annual loves full sun and grows into a well-branched, cushiony mound.

USDA Hardiness Zone(s): 9-11
Size (HT/W/FL HT): 18″ / 16″ / 20″
Exposure: Full Sun
Bloom Time(s): July, August, September, October

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Common Name Silver-Knapweed
Family Asteraceae
Genus
species ragusina
Plant Type
US Patent # PPAF
EU Grant # PBRAF
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Landscape Value Use in potted containers, mass plantings, edging or summer borders.
Most Active Growing Season
Persistence Annual
Size (HT/W/FL HT) 18" / 16" / 20"
Soil (Garden) Well drained with a moderate organic content.
Water (Garden) Average
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