Friday, November 18, 2011

Siberian Iris?

Does anyone know what time of year is the best time to divide a clump of Siberian Iris?

Siberian Iris?
Fall is always best
Reply:There are two theories on this. Some say that you should divide as soon as the blooming season has ended. Some say that fall is the only time to divide. If you live in a cooler climate, then dividing after the plants have bloomed would be fine. If you live in warmer climates, then blooming will end at about the time the weather is hot and dry, thus causing poor weather conditions for dividing.


I live in a warmer climate, zone 7b. I always divide and plant in the early fall.
Reply:Depending on what zone you're in, fall is the best time to divide and plant irises. I live in zone 6 where the weather starts to get cooler in September. Siberian irises are very hardy so you shouldn't have any problems.
Reply:i find november the best time to mess with bulbs in general, but i live in california. before the rains come, but after the growth fades, is the rule of thumb, when the plant is most dormant.

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