Helianthus, Annual Sunflower, Common Sunflower 'Lyng's California Greystripe'

Helianthusannuus

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Helianthus (hee-lee-AN-thus)
Species
annuus (AN-yoo-us)
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
This plant is resistant to deer
Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Spacing
9-12 in. (22-30 cm)
Hardiness
Not Applicable
Danger
N/A
Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Annuals
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Propagation Methods
From seed; sow indoors before last frost
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
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:

Palm Coast, Florida

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Gardener's Notes:

1
positive
0
neutral
0
negative
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Palm Coast, FL (Zone 9a) | June 2010 | positive

Planted 'California Grey Stripe' from seed the third week of March here in Central Florida, by June, the tallest plant is 17 FT tall the ...Read More

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