Sombrero has splendid yellow flowers with a striking blood red heart. This makes it excellent for attracting butterflies. It is mainly single-flowered. Best to sow directly in the garden. Sow in a heated greenhouse (22-25˚C). Prick out and later transplant or plant directly in a seedbed in the garden, allow to grow and then transplant to the final spot.
| Sow indoor | |
| Sow outdoor | |
| Flowering / Harvest |
| J | F | M | A | M | J | J | A | S | O | N | D |
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