More than 36"
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Acanthus spinosus (Bear’s Breeches)
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Actaea racemosa (Black Cohosh)
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Actaea simplex ‘Hillside Black Beauty’ (Bugbane)
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Agastache foeniculum (Anise Hyssop)
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Alcea rosea ‘Chaters Mix’ (Hollyhock)
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Alcea rosea ‘Nigra’ (Hollyhock)
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Alcea rosea ‘Blacknight’ (Hollyhock)
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Alcea rosea ‘Mars Magic’ (Hollyhock)
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Alcea rugosa (Hollyhock)
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Alcea x Las Vegas (Hollyhock)
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Allium giganteum (Ornamental Onion)
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Allium x ‘Ambassador’ (Ornamental Onion)