The Q&A Archives: Starting Lisianthus Seeds Indoors

Question: I just purchased a pack of Lisianthus (Eustoma) seeds. It is now late June. Can I start these indoors in seed flats now and transfer them outside in August? Or should I wait until later?

Answer: Lisianthus seeds are generally started indoors 10-12 weeks before planting out after last frost. Since you live in a warm winter climate, you can start your seeds now and plant them outdoors when they're big enough (about 6" high), with the understanding that they probably won't mature enough to bloom until next summer. Lisianthus does not like to be transplanted, so you might want to sow the seeds directly in individual peat pots to avoid problems down the road.

Sow the seeds on the surface of moistened seed starting mix and just barely press them in with your hand. The seeds need light to germinate. Keep the pots in a warm area, such as on top of the refrigerator. Seeds should germinate in 10-21 days when kept at 65F - 75F degrees.

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