Photo by Melody
It's time now to VOTE in our 14th annual photo contest! Voting ends November 7, so be sure to cast your votes for your favorites in each category here. Good luck to all contestants!

PlantFiles: Common Cosmos, Mexican Aster
Cosmos bipinnatus 'Sonata Carmine'

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Cosmos (KOS-mus) (Info)
Species: bipinnatus (by-pin-NAY-tus) (Info)
Cultivar: Sonata Carmine

One vendor has this plant for sale.


24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

12-15 in. (30-38 cm)
15-18 in. (38-45 cm)

Not Applicable

Sun Exposure:
Full Sun

Parts of plant are poisonous if ingested

Bloom Color:
Fuchsia (Red-Purple)

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


Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Self-sows freely; deadhead if you do not want volunteer seedlings next season

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:
Unknown - Tell us

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

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Click thumbnail
to view:

By langbr
Thumbnail #1 of Cosmos bipinnatus by langbr

By chrimon
Thumbnail #2 of Cosmos bipinnatus by chrimon

By Sabathiel
Thumbnail #3 of Cosmos bipinnatus by Sabathiel


1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive GuemesGardener On Mar 1, 2011, GuemesGardener from Anacortes, WA wrote:

I particularly like this cosmos for its 18"-24" size in my garden north of Seattle. It's hard to find that size cosmos.

Neutral PurplePansies On Aug 4, 2004, PurplePansies from Deal, NJ (Zone 7a) wrote:

this is a nice little plant...... grew it by accident..... like seashells or the red shades better........ or the painted one...... but this one's fine..... if you want a bright splash of magenta this will do....... it's a bright campion magenta...... nice growth habit...... easy.......


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

Kirklin, Indiana
Olathe, Kansas
Bay City, Michigan
Mantua, Ohio
Edmond, Oklahoma
North Charleston, South Carolina
Spokane, Washington

We recommend Firefox
Overwhelmed? There's a lot to see here. Try starting at our homepage.

[ Home | About | Advertise | Media Kit | Mission | Featured Companies | Submit an Article | Terms of Use | Tour | Rules | Privacy Policy | Contact Us ]

Back to the top

Copyright © 2000-2014 Dave's Garden, an Internet Brands company. All Rights Reserved.

Hope for America