|Common Name||Perennial Tickseed|
|US Patent #||PP25404|
|EU Grant #||EU41042|
|Hardiness Zone||5, 6, 7, 8, 9, 10|
|Size (HT/W/FL HT)||18" / 22" / 20"|
|Finish Time||Fast (4-6 Weeks)|
|Bloom Time||June, July, August, September, October|
|Most Active Growing Season||Spring|
|pH||5.8 - 6.8|
|Special Uses||Deep South, Pollinator Attractor|
|Nutritional Needs||50 - 100 ppm|
|Water (Greenhouse)||Dry moderately between waterings.|
|Water (Garden)||Average water needs in the garden.|
|How Different?||Compared to Coreopsis verticillata 'Zagreb', 'Imperial Sun' has larger inflorescences and a shorter habit.|
|Landscape Value||Use in mixed beds and borders, as a mass planting, an accent, or in a container.|
|Finish Time to 4"||4 - 6 weeks|
|Grower Notes||Grow with 55 - 60° F nights and 60 - 70° F days. Pinch at transplanting. Obligate Long Day plant. Provide night interruption or day-length extension to force flowering under natural short days. Supplemental lighting during cloudy days has proven beneficial for flower production. For highest quality, bring in liners in fall to bulk for early spring sales.|
Coreopsis ‘Imperial Sun’
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