Agrostemma Species, Common Corn-Cockle, Corncockle

Agrostemmagithago

Family
Caryophyllaceae (kar-ree-oh-fil-AY-see-ee)
Genus
Agrostemma (ag-roh-STEM-uh)
Species
githago (GITH-uh-go)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
Not Applicable
Danger
All parts of plant are poisonous if ingested
Bloom Color
Magenta (pink-purple)
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Other Details
Category
Annuals
Water Requirements
Average Water Needs; Water regularly; do not overwater
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
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

Alameda, California

Altadena, California

Grass Valley, California

Long Beach, California

Los Angeles, California

Sacramento, California

San Marino, California

Santa Clara, California

West Kill, New York

Austin, Texas

Chesapeake, Virginia

Kalama, Washington

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Gardener's Notes:

2
positives
2
neutrals
3
negatives
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M
Altadena, CA (Zone 9a) | May 2015 | positive

Great plant once established. Young plants are a bit difficult to get going as they indicate water needs in the reverse of most others - ...Read More

M
San Marino, CA | July 2011 | negative

This plant looked fantastic when I ordered it and when I initially planted. Are you supposed to dead head it?

After abou...Read More

M
M
Benton, KY (Zone 7a) | March 2005 | neutral

This plant is native to Europe. In England, where 'corn' generally means wheat, Corn Cockle was a weed in grain fields. Before the advent...Read More

C
West Kill, NY | November 2004 | positive

I grew a white cultivar of corn cockles several years ago in my mountaintop garden in the Catskills . I found it easy, although a bit la...Read More

P
Pflugerville, TX (Zone 8b) | November 2004 | negative

It has been identified as a noxious weed in Texas as well.

C
Pocola, OK (Zone 7a) | November 2004 | negative

This plant seems to be a noxious weed in a couple of states, according to the USDA website. Arkansas and South Carolina

S
Oklahoma City, OK (Zone 7a) | August 2001 | neutral

Hardy Annual. This makes a great cottage garden selection. Grows to a height of 3 feet and bears large, soft pink flowers in the summer. ...Read More

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