Re: growing iris from seed
- Subject: Re: [sibrob] growing iris from seed
- From: J*@aol.com
- Date: Sat, 13 Jul 2002 23:21:44 EDT
Hi all, we start a lot of siberians from seed. Siberian seeds seem to have
two independent possibilities for germination - light (and moisture and
warmth) and cold (and moisture and warmth). If you sow the seeds fresh from
the pod in August on the surface of your potting soil, you will get about one
quarter of them to germinate in about thirty days. They are tough enough to
winter over in Massachusetts if covered with a heavy mulch.
The more usual way is to sow the seeds in late September or October and make
sure they are well covered. They will start to germinate in April or May
when the weather warms up again. We sow each seed in its own cell in a tray
of cells which makes transplanting less of a shock than sowing them all in
one pot and tearing their roots apart. This usually works pretty well and
most years we see a tenth to a quarter of the plants bloom the next year.
Hope this helps, Marty Schafer
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