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Problems of Perennial Flowers - Focus on Plant Problems - University of Illinois Extension
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Problems of Perennial Flowers
Achillea
sp. (Yarrow)
Alcea
sp. (Hollyhock)
Aquilegia
sp. (Columbine)
Bacterial Leaf Spot
Calendula
sp.
Chrysanthemum
sp.
Convallaria
sp. (Lily-of-the-valley)
Echinacea
sp. (Coneflower)
Hemerocallis
sp. (Daylily)
Heuchera
sp. (Coral bells)
Hosta
sp.
Iris
sp.(Iris)
Paeona
sp. (Peony)
Phlox
sp. (Phlox)
Rosa
sp.
(Rose)
Tulipa
sp. (Tulip)