🌽 Cornflower (Bachelor's Button)
Centaurea cyanus
flowers
annual
☀️ Sun
full sun
💧 Water
low to moderate
🗺️ Zones
[2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
🧪 Soil pH
6.0-7.5
🪴 Soil Type
well-drained, average
📏 Spacing
6-12 inches
📐 Height
1-3 feet
🍴 Edible Parts
🍽️ Petals are edible , mild, slightly sweet; garnish for salads and desserts
Key:🤝 Grows well together❌ Keep apart☀️ Sun needs💧 Water🗺️ Hardiness zone
🤝 Companions (4)
Attracts ladybugs and lacewings that control aphids and whiteflies on tomatoes
Hoverflies attracted by cornflowers devour cabbage aphids
Classic companion , cornflower grew in cornfields for centuries; attracted beneficials that protected corn
Bee magnet , improves squash pollination and fruit set
⚠️ Keep Apart (0)
No known enemies listed.
📝 Growing Notes
Intense blue flowers (also pink, white, purple). Traditional European cornfield companion , hence the name. Outstanding nectar source for bees, butterflies, hoverflies. Attracts ladybugs. Dried petals retain color.
🛒 Buy Seeds & Plants
Baker Creek Heirloom Seeds
Johnny's Selected Seeds
Botanical Interests
True Leaf Market
Burpee
Territorial Seed Company
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