Coreopsis 'Ruby Frost'Coreopsis 'Ruby Frost'

Coreopsis ‘Ruby Frost’

Large, deep ruby-red flowers are fringed with a collar of frosty white. Plant habit is choice, with its flowers held up elegantly. This plant has been prominently featured in Birds & Blooms Magazine. In fact, it was named by the readers in a 2009 contest. Truly a color breakthrough in the world of Coreopsis.

USDA Hardiness Zone(s): 6-10
Size (HT/W/FL HT): 16″ / 32″ / 26″
Exposure: Full Sun
Bloom Time(s): June, July, August, September

Available as a URC from Danziger

Common Name Hybrid tickseed
Family Asteraceae
species --
Plant Series
Plant Type
US Patent # PP21758
EU Grant # --
Hardiness Zone , , , ,
Bloom Time , , ,
Flower Color ,
Foliage Color
Dormancy Winter
Growth Habit
Growth Rate
How Different? It has ruby red flowers edged white, large flower size, and a great, low compact habit.
Landscape Value Use in mixed beds and borders, as a mass planting, an accent, or in a container.
Most Active Growing Season
Persistence Deciduous
Size (HT/W/FL HT) 16" / 32" / 26"
Soil (Garden) Average, well-drained.
Water (Garden) Average
Special Uses , ,
Comments Easy and doesn't seed around. Named by the readers in a contest that ran in Birds & Blooms Magazine in spring 2009. The #2 visitor favorite Coreopsis in 2012 at the Mt. Cuba trials.
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 'Ruby Frost' - Product Profile
Coreopsis 'Ruby Frost' - Growing Recipe

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  • December, 2012 – Greenhouse Growerclick here
  • October, 2010 – Diggerclick here
  • February/March, 2010 – Birds & Bloomsclick here
  • January/February, 2010 – The American Gardenerclick here
  • June/July, 2009 – Birds & Bloomsclick here
  • April/May, 2009 – Birds & Bloomsclick here