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 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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Common Name

Perennial Tickseed

Family

Asteraceae

Genus

Plant Type

US Patent #

PP25404

EU Grant #

EU41042

Hardiness Zone

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Growth Habit

Size (HT/W/FL HT)

18" / 22" / 20"

Finish Time

Bloom Time

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Growth Rate

Most Active Growing Season

Flowering Season

Flower Color

Leaf Color

Soil

Average, well-drained

Exposure

Special Uses

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Nutritional Needs

50 – 100 ppm

Dormancy

Dormancy Required, Dormant in Winter, Dormancy Over Winter

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 @ transplanting. Obligate Long Day plant. Provide night interruption or daylength 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


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Coreopsis 'Imperial Sun' - Product Profile
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Coreopsis 'Imperial Sun' - Growing Recipe
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