How To Grow Ammi Visnaga From Seed. For cut flowers throughout the summer sow at intervals from March 4 to 6 weeks before the last frost date to early June. It tends to grow best when propagated by seed sown in situ in spring.
Seeds should be pre-chilled for at least two weeks at temperatures below 40F 4C before sowing. Bears astoundingly long-lasting white umbels as large as 5 inches across. Sow outdoors March-May where they are to flower 05cm deep directly into finely prepared soil which has been already watered.
Ammi visnaga is a species that belongs to the carrot family and is native to Europe Asia and North Africa.
Chill seed at 40-45F 4-7C for 1-2 weeks prior to sowing in the greenhouse. Ammi visnaga from seed. Make 2-3 successive sowings 2 weeks apart for a continuous summer harvest. The seeds are then covered lightly with vermiculite.