Kieft Seed Scheduling Tool

Verbascum Southern Charm

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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

Gallon
(1 ppp)

Sow week

Plug transplant week

High light is necessary for uniform flowering.

Spring/Summer

Week color desired

Gallon
(1 ppp)

Sow week

Plug transplant week

Late-Summer/Fall

Week color desired

Gallon
(1 ppp)

Sow week

Plug transplant week

Notes/Pitfall Management
Not recommended for quart production. Apply PGR when flower spike is approximately 4" tall to promote stronger stems.

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