Kieft Seed Scheduling Tool

Coreopsis Double the Sun

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Data is gathered from our Elburn, Ill., trials (Zone 5a) for a North American audience. Warm-climate growers: expect 1-2 weeks earlier finishing. Cool-climate growers: expect 1 week slower. Dates based on standard 288 plug size.

Early Spring

Week color desired

Quart
(1 ppp)

Gallon
(3 ppp)

Sow week

Plug transplant week

Spring/Summer

Week color desired

Quart
(1 ppp)

Gallon
(3 ppp)

Sow week

Plug transplant week

Late-Summer/Fall

Week color desired

Quart
(1 ppp)

Gallon
(3 ppp)

Sow week

Plug transplant week

Notes/Pitfall Management
If necessary plants can be cut back to re-flower fully. B9/Cycocel is effective at managing growth. Plug growth is easier to manage if grown under short days

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