โ All plants
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Aster
Cornflower

Grow cornflowers in well-drained soil with a pH of 6.0-7.5 and low to moderate fertility. Avoid heavy feeding, which encourages floppy growth, and remove faded flowers to extend blooming and limit self-sowing.
- Sun
- Full sun
- Water
- Light; drought tolerant
- Spacing
- 8 in
- First harvest
- 65-75
Tips
- Sow seeds about 1/4 inch deep and thin seedlings to 8 inches apart.
- Water seedlings regularly, then water established plants during prolonged dry weather.
- Skip fertilizer in average garden soil and add only a little compost to very poor soil.
- Inspect young shoots for aphids and rinse off small colonies with a firm spray of water.
- Cut flowers frequently and remove spent heads before seeds mature to limit volunteers.
Good companions
Cosmos, Salvia, Marigold
Keep apart from
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