Helianthus, Annual Sunflower, Common Sunflower 'Taiyo'

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
Pollen may cause allergic reaction
Bloom Color
Bright Yellow
Pale Green
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Annuals
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
From seed; direct sow after last frost
Seed Collecting
Bag seedheads to capture ripening seed
Regional

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

Lewisburg, Pennsylvania

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Gardener's Notes:

1
positive
1
neutral
0
negative
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C
C
Lewisburg, PA (Zone 6b) | November 2009 | positive

Tayio is a Japanese heirloom variety of sunflower and the classic milliner's selection of the 1950s. Refined size and proportion makes th...Read More

B
Lakemont, GA (Zone 8a) | March 2007 | neutral

A favorite old Japanese heirloom variety. Plants grow 5-6' tall with large 10-12" heads and short golden-yellow petals. Huge centers are ...Read More

Featured
Figure-Eight Sallow moth
(Psaphida resumens)
Arctic Redpoll
(Acanthis hornemanni)
Featured
Figure-Eight Sallow moth
(Psaphida resumens)
Arctic Redpoll
(Acanthis hornemanni)