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Extension > Garden > SULIS > Maintenance > Sustainable Herbaceous Plant Maintenance > Biennials > Biennials

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Biennials for U.S.D.A. Cold Hardiness Zones 3 & 4

Scientific name Common name
Alcea rosea Hollyhock
Dianthus barbatus Sweet William
Digitalis purpurea Foxglove
Campanula medium Canterbury bells, cups-and-saucers
Daucus carota Queen Anne's lace, wild carrot
Lunaria annua Honesty, money plant
Myosotis sylvatica Forget-me-not
Viola x wittrockiana     Pansy
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