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key growing information
How to Grow Lisianthus From Seed
How to grow lisianthus from seed: long lead time, deep cells, greenhouse production, light for germination, cutting stage, vase life and soil.
By Hensley’s Seed Co.
Lisianthus - Key Growing Information
DAYS TO GERMINATION:
Allow 10–15 days at 68–72°F (20–22°C).
SOWING:
Transplants are recommended. Sow 12–13 weeks before planting out, into 288-cell trays or another deep-cell container; a greenhouse is strongly advised, as lisianthus is one of the trickier crops. See our (Lisianthus Production Guide) for much more detail. The seed needs light to germinate, though a very thin dusting of fine vermiculite over it helps keep algae down.
LIGHT PREFERENCE:
Full sun.
PLANT HEIGHT:
Varies.
PLANT SPACING:
Space plants 4–8" apart.
HARDINESS ZONES:
Grown as an annual.
STEM LENGTH:
12-34".
VASE LIFE:
Lasts 10–15 days in the vase; store cut stems at 36–41°F (2–5°C).
HARVEST:
Cut once at least one flower on the stem has opened.
SOIL REQUIREMENTS:
Well-drained soil rich in organic matter.
DISEASE:
A biological root treatment such as RootShield® can help guard against root diseases over a longer period.
USES:
A superb cut flower; also good in beds.
SCIENTIFIC NAME:
Eustoma grandiflorum
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