|I would like to know how to prepare asters for overwintering. I planted them in early Sept and live in the Mid Atlantic region.
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|There are both annual and perennial asters. Annuals will die out no matter what you do; perennials will come back next spring with minimal effort. After frost kills the tops, cut away the dead stems and foliage and mulch over the top of the plant with organic matter (straw, shredded leaves, etc.) Brush or rake away the mulch when weather warms in the spring and perennial asters will pop right up.
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