Answer: What a great, exciting project! Some container gardening experts say that if you insulate and mulch your planters properly, perennial plants will survive the winter in containers. I suggest to you a book titled The Complete Urban Gardener, by Joan Puma(Harper ISBN #0-06-091106-9) as an excellent reference. Here's a short list from this book of flowering perennial plants recommended for partial shade: Achillea, Aquilegia, Campanula, Hemerocallis, Hosta. There are annuals that will produce seed to will sprout and bloom the following year, such as pansies and alyssum. Caladium are tender bulbs that furnish a wide array of foliage color through the growing season, and then can be lifted, stored and replanted next spring. All of these are available from the Burpee catalog.
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