Helianthus, Annual Sunflower, Common Sunflower 'Supermane'

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
Succulent
Height
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
Gold (yellow-orange)
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
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
Flowers are good for cutting
Flowers are good for drying and preserving
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)
Patent Information
Non-patented
Propagation Methods
Direct sow as soon as the ground can be worked
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Bag seedheads to capture ripening seed
Collect seedhead/pod when flowers fade; allow to dry
Allow pods to dry on plant; break open to collect seeds
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:

Hobart, Washington

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Gardener's Notes:

2
positives
0
neutral
0
negative
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H
Hobart, WA | December 2014 | positive

I grew this sun flower about 15 to 20 years ago; it's fantastic. Recently I contacted Seeds of Change, the vendor from whom I purchased...Read More

B
Rancho Santa Rita, TX (Zone 8a) | June 2009 | positive

A spectacular selection from an old Turkish variety. forms a large central head 10-12 inches across and 2-3 inches thick. 10-40 side bran...Read More

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