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PlantFiles: Sunflower
Helianthus annuus 'Big Smile'

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Helianthus (hee-lee-AN-thus) (Info)
Species: annuus (AN-yoo-us) (Info)
Cultivar: Big Smile

2 vendors have this plant for sale.

4 members have or want this plant for trade.

Category:
Annuals

Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing:
9-12 in. (22-30 cm)

Hardiness:
Not Applicable

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Bright Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season
This plant is resistant to deer

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:
Non-patented

Propagation Methods:
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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By westocast73
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There are a total of 8 photos.
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Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral vossner On Apr 30, 2012, vossner from Richmond, TX (Zone 9a) wrote:

Direct sowed on March 8 and first bloom has appeared today. Not a very strong or pretty one but perhaps it will be better. The other seedlings don't look particularly strong, wondering if it is b/c I planted in less than full, brutal TX sun. It is very small, at about 8" tall.

Positive westocast73 On Jul 11, 2005, westocast73 from (Zone 1) wrote:

Dwarf Single Bloom Sunflower

Very short (mine are 8-12 inches Tall and Seed Packet says 12-18 Inches) bright yellow sunflower.The flower itself is about 4 to 6 inches wide. Single Bloom that comes in about 55 days. Looks great.Can be grown in smaller 4 inch pots and makes an excellent little gift like that.

Regional...

This plant has been said to grow in the following regions:

Loveland, Colorado
Redford, Michigan
Racine, Wisconsin



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