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WHEN TO CUT BACK AND WHEN TO TRANSPLANT

posted May 20, 2012, 9:41 AM by mark young

When to cut back Irises? also wanted to know when to transplant irises.

Recommendations made:

You can cut back irises foliage 6-8 weeks after they bloom. You can cut them back later if they stay green. You do
not want to cut them back too soon or too severely because they need the green growth to feed the rhizomes and to
produce more rhizomes.

You can transplant iris after the last frost in the spring. However they will probably not produce flowers after they
are divided and transplanted. The best time to transplant them is 6 to 8 weeks after they bloom. Do not divide and
transplant them in hot 90 degree weather. If you transplant them late summer to early fall, there should be a couple
of months before freezing weather to allow the roots to take hold.

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