Name: Coreopsis 'Imperial Sun'
SKU: CORIMPSUN

Coreopsis ‘Imperial Sun’

Amazingly bright, sunny gold flowers cover this plant in masses and waves of continuous color. Clean, deep green foliage is the perfect foil for the flowers… when the foliage is visible. Blessed with a perfect habit, this extra hardy garden marvel is very much at home in a container or a long lived garden feature. Coreopsis verticillata breeding makes this mildew resistant selection ultra-hardy.

USDA Hardiness Zone(s): 5-10
Size (HT/W/FL HT): 18″ / 22″ / 20″
Exposure: Full Sun
Bloom Time(s): June, July, August, September, October

Common Name	Perennial Tickseed
Family	Asteraceae
Genus	Coreopsis
species	hybrid
Plant Type	Perennial
US Patent #	PP25404
EU Grant #	EU41042
Bloom Time	June, July, August, September, October
Flower Color	Yellow
Foliage Color	Green
Dormancy	Winter
Exposure	Full Sun
Growth Habit	Mounding
Growth Rate	Fast
Hardiness Zone	5, 6, 7, 8, 9, 10
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.
Most Active Growing Season	Spring
Persistence	Deciduous
Size (HT/W/FL HT)	18" / 22" / 20"
Soil (Garden)	Average, well-drained.
Water (Garden)	Average water needs in the garden.
Special Uses	Deep South, Pollinator Attractor
Comments	--

Water (Greenhouse)	Dry moderately between waterings.
EC	0.75 – 1.0
pH	5.8 – 6.8
Fertility Needs	50 – 100 ppm
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.
Finish Time to 4″	4 – 6 weeks
Finish Time to Gallon	6 – 8 weeks
Day Length for Flowering	Long Day