Coreopsis 'Imperial Sun'Coreopsis 'Imperial Sun'

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

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SKU: CORIMPSUN Categories: ,
Common Name Perennial Tickseed
Family Asteraceae
species --
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
Coreopsis 'Imperial Sun' - Product Profile
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Coreopsis 'Imperial Sun' - Growing Recipe
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