Klondike Cosmos, Sulphur Cosmos, Orange Cosmos 'Bright Lights'

Cosmossulphureus

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Cosmos (KOS-mus)
Species
sulphureus (sul-FER-ee-us)
Synonym
Sun Exposure
Full Sun
Foliage
Smooth
Height
24-36 in. (60-90 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
Not Applicable
Danger
Parts of plant are poisonous if ingested
Bloom Color
Red
Orange
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Annuals
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
7.9 to 8.5 (alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Little Rock, Arkansas

Lawndale, California

Sacramento, California

Spring Valley, California

Athens, Georgia

Cordele, Georgia

Kennesaw, Georgia

Rincon, Georgia

Itasca, Illinois

Rock Falls, Illinois

Barbourville, Kentucky

Bossier City, Louisiana

Madison, Mississippi

Blair, Nebraska

Averill Park, New York

Forest Hills, New York

Raleigh, North Carolina

Warrensville, North Carolina

Glouster, Ohio

Madison, Ohio

Monessen, Pennsylvania

North Augusta, South Carolina

Winnsboro, South Carolina

Germantown, Tennessee

Dripping Springs, Texas

Fort Worth, Texas(2 reports)

Houston, Texas

Odessa, Texas

Kalama, Washington

Ellsworth, Wisconsin

Milwaukee, Wisconsin

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Gardener's Notes:

8
positives
1
neutral
1
negative
Sort By:
Sort By:
C
Spring Valley, CA (Zone 10a) | February 2011 | positive

The golds and oranges of 'Bright Lights' really do seem to glow in the sun. They don't mind the reflected heat from the south stone wall ...Read More

S
Los Angeles County, CA (Zone 10a) | August 2010 | negative

The blossoms on mine rather small.. It did not bloom profusely, lots of scattered blooms, but they just didn't cover the plant like other...Read More

R
R
Memphis, TN (Zone 7b) | June 2009 | positive

I'm glad to see that I'm not the only one who gets 5 - 6ft of height from this plant. I'd had Cosmos for two years before I switched loca...Read More

C
Cordele, GA (Zone 8a) | October 2006 | neutral

In my south Ga. climate, the cosmos I started from seed grew to 6 ft tall! Hardly had any blooms at all. Bloomed sparsely to say the lea...Read More

D
Boyds, MD (Zone 6b) | July 2006 | positive

Yellow finches like to eat the seed. Added bonus.

S
S
(Zone 7b) | May 2006 | positive

24-36 inches?? Try more like 4-6 ft in my climate. I like all sorts of cosmos, and 'bright lights' is no exception.

K
Forest Hills, NY (Zone 7a) | April 2005 | positive

I run a community garden in New York City (Queens). The soil is very poor - rocky, construction leftovers near a railroad bridge. Cosm...Read More

M
M
Milwaukee, WI | March 2005 | positive

Planted on May 30,2004 and was flowering from mid August until first hard frost in October.
Easier to start compared to Marigold ...Read More

L
Ogden, UT (Zone 5b) | January 2005 | positive

This selection blooms in shades of bright yellow, bright orange, and reddish-orange. Easy to grow -- direct sow in the garden in mid to ...Read More

S
Rincon, GA (Zone 8a) | September 2004 | positive

Easy, easy to grow! Very vibrant orange colors that attract bees and butterflies.

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