Tall Blue Cornflower (Centaurea cyanus)
PriceFrom $4.50
Excluding Sales Tax
Tall Blue Cornflower, also called Bachelor's Buttons, is a 2' to 2 1/2' tall introduced annual. It features prolific production of 1" wide bright blue flowers with ragged tipped petals. This plant flowers in the spring and early summer, but the flowering period can be easily extended by cutting back the spent flowers. This plant prefers dry to medium moisture soils but does not tolerate drought. It requires a full sun site. Tall Blue Cornflower is easy to establish and requires little maintenance. This is a good rock garden, border, or meadow plant. Prices listed are based on pure live seed weight, not bulk weight. You are only paying for viable seed.
| Common Name (Botanical Name) | Tall Blue Cornflower (Centaurea cyanus) |
| Alternatative Common Names | Bachelor's Button |
| Botanical Synonyms |
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| Bloom Season | Spring-Summer |
| Group | Wildflowers/Forbs |
| Bloom Color | Blue |
| Duration | Annual |
| Soil moisture | Dry (Xeric);Medium (Mesic) |
| Soil texture | Coarse (Sand);Medium (Silt/Loam);Fine (Clay) |
| Sun Exposure | Full Sun |
| Status | Introduced |
| Wetland status | FACU;UPL |
| pH | Acidic;Neutral;Alkaline |
| pH Values | |
| Average height | 2-3ft |
| USDA Zones | 2a;2b; |
| RNS Region | 1;2;3;4;5;6;7 |
| Planting rate/Acre | Not Recommended |
| Seeds Per Lb. | 89000 |
| Seeds Per Oz | 5562 |
| Seeds Per Packet | 225 |
| Product Benefits | Aesthetic Value;Low Growing;Cut Flowers; |