When to sow cornflowers in Rabat

Why these dates

Sow direct three weeks before the last frost, thinly and where it is to flower - it resents transplanting once the taproot is down. Deadhead relentlessly, because a plant allowed to set seed stops flowering within a fortnight. An autumn sowing gives much taller, sturdier plants.

Hardy to about -10C as a young plant, which is what makes autumn sowing possible in zone 7 and milder. Dislikes humid heat and finishes early in a hot summer.

Seed packets and extension guides express timing as weeks either side of the last spring frost, because that is the only reference point that travels. Cornflowers are timed from 6 weeks before that frost for an indoor start, with planting out 2 weeks before it, and this page simply resolves those offsets against the frost date computed for Rabat.

Rabat sits in zone 11b, which is milder than this crop wants, and a winter that never really arrives is its own problem. The dates below still describe the right time of year; the open question is survival rather than timing.

See every crop timed for Rabat →