Photo by Melody

PlantFiles: Sunflower
Helianthus annuus 'Red Sun'

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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: Red Sun

2 vendors have this plant for sale.

10 members have or want this plant for trade.

Category:
Annuals

Height:
36-48 in. (90-120 cm)

Spacing:
6-9 in. (15-22 cm)

Hardiness:
Not Applicable

Sun Exposure:
Full Sun

Danger:
N/A

Bloom Color:
Brown/Bronze

Bloom Time:
Late Summer/Early Fall
Mid Fall

Foliage:
Unknown - Tell us

Other details:
Unknown - Tell us

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:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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By EvilPlot
Thumbnail #7 of Helianthus annuus by EvilPlot

There are a total of 8 photos.
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Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive EvilPlot On Jun 12, 2011, EvilPlot from Calgary , AB (Zone 3a) wrote:

Germinated outdoors ok, despite the cold night temperatures. Now a 4-leaf seedling after 2 weeks. Will update again once it flowers!

update on 27th September 2011:
It is a very happy and cheerful plant! Multiheaded, vigorous grower and tolerant of mild frost. The main flowerhead (6'' diameter) bloomed a couple of days ago, and the smaller flowerheads are close to blooming too. The plant itself is about 6' tall with deep, dark green, purplish edged glossy foliage. The bloom looks like it has a bronze-ish metallic sheen in bright light. Also showing signs of branching out from the main stem.

The plant is very robust and healthy grown in a largish container (2'x1'x1') with assorted other plants (basil, amaranth, coriander, flowering tobacco). Weathered a few severe hailstorms very well - only punctured holes into the bigger leaves.

The package says from seed to flower in 90 to 100 days, but with the cool weather and only 7 hours max direct light it took close to 120 days from seed to flower where I am.

Will grow more of these cheerful splash of colour next year.

Neutral JJOliger On Aug 11, 2008, JJOliger from Davenport, IA wrote:

Germinates in 7-14 days.

Regional...

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

Natchez, Mississippi
Thomasville, North Carolina
Round Rock, Texas



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