Agrostemma
Genus
Connections
Fact sheet
every fact quoted from its source“Annual.” — How to Grow Agrostemma (Corn-Cockle) | Johnny's Selected Seeds
“7-14 days at 60-70°F (16-21°C)” — How to Grow Agrostemma (Corn-Cockle) | Johnny's Selected Seeds
“60-70°F (16-21°C)” — How to Grow Agrostemma (Corn-Cockle) | Johnny's Selected Seeds
“Sun.” — How to Grow Agrostemma (Corn-Cockle) | Johnny's Selected Seeds
“Plant Height: 24–36"” — Purple Queen - Agrostemma Seed | Johnny's Selected Seeds
“Fresh - 1 to 2 flowers in a spray are open.” — How to Grow Agrostemma (Corn-Cockle) | Johnny's Selected Seeds
“The seed is genuinely poisonous — it is what made this plant a menace in old bread flour.” — Agrostemma Seeds: How to Grow Corn Cockle (2026)
Who grows this
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Where this comes from
- Name and place in the family tree: GBIF Backbone Taxonomy (CC BY 4.0)
- Fact sheet: 3 source pages, read and quoted by the OmniGrow Librarian