Helianthus, Annual Sunflower, Common Sunflower 'Sunseed'

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
Height
6-8 ft. (1.8-2.4 m)
Spacing
9-12 in. (22-30 cm)
Hardiness
Not Applicable
Danger
N/A
Bloom Color
Bright Yellow
Green
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
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
From seed; sow indoors before last frost
From seed; direct sow after last frost
From seed; germinate in a damp paper towel
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
Regional

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

Silver Springs, Nevada

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Gardener's Notes:

1
positive
0
neutral
0
negative
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K
Murfreesboro, TN (Zone 7a) | December 2007 | positive

Stood up to 50+ MPH winds in an open, unprotected area. Roots went down about a foot and created a fiberous mass. Flowers produced lots...Read More

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