Seed Germination - Knowledgebase Question

Pittsburgh, PA
Question by donmcwil
February 7, 1998
What is the amount of light needed to germinate Petunia and Geranium seeds?

Answer from NGA
February 7, 1998


Petunia and geranium seeds will germinate without light. Just sow them in flats of potting mix, cover with plastic, and put them in a warm place for 10-14 days (or until they've sprouted). Then remove the plastic and place them in a brightly lit area. Geranium seeds prefer heat (70F) when germinating, but petunia's don't have a heat requirement.

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