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Gardening with Perennials
Credits En Español © University of Illinois Board of Trustees
Gardening with Perennials - Black-eyed Susan (Rudbeckia sullivantii)
Rudbeckia offers bold splashes of reliable color from mid summer to fall. They prefer full sun to very light shade in average garden soil. These tend to reseed freely and act like true perennials.
Gardening with Perennials - Dividing Perennials
A common maintenance chore in a perennial garden is that of dividing. The signals to watch out for include: flowering is reduced with the flowers getting smaller; the growth in the center of the plant dies out leaving a hole with all the growth around the edges; plant loses vigor; plant starts to flop or open up needing staking; or it just may have outgrown its bounds. The divisions should be kept moist and shaded while you prepare the new planting site.
Gardening with Perennials - Fall & Winter Care
In addition to many of the perennials having attractive foliage and/or seed heads, they offer food resources for birds. The stems of perennials also offer a place for some birds to hide during the winter.
Gardening with Perennials - Yarrow (Achilliea filipendula)
Cultivars are available that range in height from 12 – 36 inches. Flowers are a flat topped or round cluster and usually yellow in color with some cultivars offering pastel colors.
Listings for Perennials in Iowa
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Windy Pines Greenhouse
Dorchester, Iowa (IA) 52140-7575
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