What/when to trim 'evergreen' ferns?

nokiApril 5, 2008

When do you trim "evergreen" or "semi-evergreen" ferns like Dryopteris? Do you remove all the old growth in early spring or just cut out the worst of it?

What about the Autumn Fern, for example? A lot of the fronds are still greenish but not exactly great looking. Does leaving last years growth on help on the plant start in Spring, or is it just irrelevant to the plant? Does cutting off the old growth encourage new growth?

Any opinions?

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osmund(Zone 6: Southeast Ohio)

Once the new fronds are emerging and photosynthesizing, you are safe to remove all old fronds.

    Bookmark   April 5, 2008 at 8:26PM
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