Kieft Seed Scheduling Tool

Penstemon Electric Blue

Download GrowerFacts

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

Overwintering beneficial. Require high light intensity for uniform flowering.

Spring/Summer

Week color desired

Quart
(1 ppp)

Gallon
(3 ppp)

Sow week

Plug transplant week

Overwintering beneficial. Require high light intensity for uniform flowering.

Notes/Pitfall Management
Can be susceptible to fusarium root rot. No PGR's necessary.

Return to crop list

© 2023 Ball Horticultural Company. All rights reserved