Seasonal Flowers
Grow this flowering plant for seasonal garden interest.Seasonal flowers for garden interest.
Cornflower Seeds-Blue Diadem
$5.79
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Growing Level
Easy to Grow
Germination
High Germination
Garden Use
Borders & Beds
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About This Variety
Meet This Variety
Add Cornflower (Centaurea cyanus) to garden borders and beds by starting it from seed. Provide full sun and moderately fertile, well-drained soil as this annual garden plant establishes.
Prepare the soil before sowing, and start seeds within the recommended germination range. Water when the soil surface begins to dry during establishment, then remove spent flowers as needed to keep the planting tidy.
A practical Cornflower choice for borders & beds.
Growing at a Glance
Botanical Name
Centaurea cyanus
Life Cycle
Annual
Sun Requirement
Full Sun
Water Needs
Moderate
Soil Preference
Well-drained; Average Fertility
Why Gardeners Love It
Home Garden Fit
Use the plant in a home-garden setting that provides its listed growing conditions.Suited to its listed garden settings.
Pollinator Planting
Its flowers can contribute to a pollinator-focused garden planting.Useful in a pollinator planting.
Best Growing Conditions
- Germination Temperature
- 65–70°F
- Sun Exposure
- Full Sun
- Moisture Needs
- Moderate
How to Grow
Prepare
Prepare a site or container with the listed light and soil conditions.
Prepare the listed light and soil conditions.
Sow
Sow at 65-70 F using crop-appropriate depth and light guidance.
Sow at 65-70 F.
Water
Keep the seedbed at the listed moisture level without waterlogging it.
Maintain the listed moisture level.
Thin
Thin seedlings to provide room for light, airflow, and normal crop development.
Thin seedlings for space and airflow.
Manage Blooms
Remove spent flowers when appropriate for a tidy seasonal display.
Manage spent flowers as appropriate.
Garden Uses
Borders & Beds
Cut Flower
Pollinator Gardens
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