George Bonnema

For beautiful spring fern peonies and iris, now is the time to split them

August is the month to thin or transplant German bearded iris and peonies.

Dividing fern leaf peonies is a bit more complicated than regular peonies in that they have a “neck” between the eye of next year’s growth and the tuber. Just cutting into the clump with a spade will often ruin a lot of the potential new divisions because of the way they intertwine.


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