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Coreopsis, Bigflower Coreopsis, Largeflowered Tickseed 'Presto'

Coreopsisgrandiflora

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Coreopsis grandiflora by DaylilySLP
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Family
Asteraceae (ass-ter-AY-see-ee)
Info
Genus
Coreopsis (kor-ee-OP-sis)
Info
Species
grandiflora (gran-dih-FLOR-uh)
Info
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
This plant is resistant to deer
Height
6-12 in. (15-30 cm)
Spacing
6-9 in. (15-22 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
N/A
Bloom Color
Orange
Gold (yellow-orange)
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color

Unknown - Tell us

Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Direct sow as soon as the ground can be worked
From seed; sow indoors before last frost
From seed; direct sow after last frost
From seed; germinate in a damp paper towel
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

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

Glen Avon, California

Pedley, California

Rubidoux, California

Sunnyslope, California

Elk Horn, Kentucky

Grand Rapids, Michigan

Austin, Texas

San Antonio, Texas

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5 members have or want this plant for trade

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Gardener's Notes:

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R
R
Rupeee
Riverside, CA (Zone 9b) | April 2010 | positive

Vigorous grower. Stems held well above plant. Still too new to say more. But like it so far.

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