Cosmos (Cosmos sulphureus) in the Cosmos Database

Common names:
Give a thumbs up Cosmos
Give a thumbs up Sulphur Cosmos
Give a thumbs up Orange Cosmos
Give a thumbs up Klondike Cosmos

Botanical names:
Cosmos sulphureus Accepted
Cosmos gracilis Synonym

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Annual
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Dry Mesic
Plant Height: 3-4 feet
Flowers: Showy
Bloom Size: 1"-2"
Flower Time: Summer
Late summer or early fall
Uses: Cut Flower
Wildlife Attractant: Bees
Resistances: Drought tolerant
Propagation: Seeds: Sow in situ
Start indoors
Propagation: Other methods: Division
Containers: Suitable in 3 gallon or larger

Cosmos sulphureus bloom with Fiery Skipper

Photo gallery:

Plant Events from our members
piksihk On January 10, 2020 Bloomed
these are still blooming; 4-5 ft tall; front bed
piksihk On March 26, 2017 Bloomed
piksihk On February 10, 2017 Obtained plant
Seedlings from test garden
lovesblooms On January 15, 2017 Seeds sown
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Those newer Cosmos by ShawnSteve Jan 18, 2019 3:30 PM 42
Re: mystery plant / flower in the wild flower garden by DeereMark Oct 14, 2018 5:26 PM 3
mutant wildflower? by neverdone Oct 18, 2017 5:24 PM 4
Plant ID by jimbird Nov 15, 2016 5:56 PM 4
cosmos sulphureus by piksihk Oct 14, 2018 6:18 PM 10
What's Blooming 2016 - Photos and Chat. by NJBob Dec 31, 2016 10:07 PM 1,927
Zin project by kylaluaz Jan 20, 2016 5:21 PM 31
Daily gardening thread for everyone by keithp2012 Jan 17, 2020 10:36 PM 18,743
What's blooming now? by LysmachiaMoon May 11, 2015 1:55 PM 33
More bee friendly by Bonehead Oct 29, 2014 8:00 PM 22

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