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PlantFiles: Cosmos
Cosmos sulphureus 'Lemon Twist'

 
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Family: Asteraceae (ass-ter-AY-see-ay) (Info)
Genus: Cosmos (KOS-mus) (Info)
Species: sulphureus (sul-FER-ee-us) (Info)
Cultivar: Lemon Twist

4 members have or want this plant for trade.

Category:
Annuals

Height:
6-12 in. (15-30 cm)

Spacing:
12-15 in. (30-38 cm)

Hardiness:
Not Applicable

Sun Exposure:
Full Sun

Danger:
Parts of plant are poisonous if ingested

Bloom Color:
Orange
Gold (Yellow-Orange)

Bloom Time:
Mid Summer
Late Summer/Early Fall
Mid Fall

Foliage:
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Propagation Methods:
From seed; direct sow after last frost

Seed Collecting:
Unknown - Tell us

By Dinu
Thumbnail #1 of Cosmos sulphureus by Dinu

By Bug_Girl
Thumbnail #2 of Cosmos sulphureus by Bug_Girl

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

Rating Author Comment
Positive Bug_Girl On Oct 26, 2002, Bug_Girl from San Francisco, CA wrote:

I got the seeds for this plant from Thompson and Morgan. It has both yellow and orange flowers together, some of the plants have yellow and some have orange. It blooms very well, but you need to keep deadheading, or it will go to seed and stop blooming.

Regional...

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

San Francisco, California



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