Kieft Seed Scheduling Tool

Heuchera Palace Purple

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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
(1 ppp)

Sow week

Plug transplant week

Generally used for foliage

Spring/Summer

Week color desired

Quart
(1 ppp)

Gallon
(1 ppp)

Sow week

Plug transplant week

Generally used for foliage

Late-Summer/Fall

Week color desired

Quart
(1 ppp)

Gallon
(1 ppp)

Sow week

Plug transplant week

Generally used for foliage

Notes/Pitfall Management
B9/Cycocel combination works very well for managing growth. Watch for botrytis in plug stage of dense container production. Provide good air flow.

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