Coreopsis Species, Giant Coreopsis

Coreopsisgigantea

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Coreopsis (kor-ee-OP-sis)
Species
gigantea (jy-GAN-tee-uh)
Synonym
Leptosyne gigantea
Tuckermannia gigantea
Sun Exposure
Full Sun
Foliage
Grown for foliage
Height
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
Spacing
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Hardiness
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
N/A
Bloom Color
Gold (yellow-orange)
Bright Yellow
Bloom Time
Late Winter/Early Spring
Mid Spring
Other Details
Category
Perennials
Shrubs
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Fairfield, California

Fremont, California

Malibu, California

Rancho Palos Verdes, California

Richmond, California

San Leandro, California

Ventura, California

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Featured Videos

Gardener's Notes:

3
positives
0
neutral
0
negative
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L
Peoria, AZ | March 2014 | positive

I saw this plant growing in Claremont, California at the Rancho Santa Ana Botanic Garden...love it!

K
K
L.A. (Canoga Park), CA (Zone 10a) | October 2004 | positive

Very unique California native plant. Grows only on or near the coast from San Luis Obispo or Santa Barbara County to western Los Angeles...Read More

P
Acton, CA (Zone 8b) | April 2004 | positive

First saw these weird plants along the coast in Ventura county... they have smooth, woody stems up to 3' tall and topped with lacy, arche...Read More

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