More than 36"
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Aconitum carmichaelii ‘Arendsii’ (Monkshood)
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Agastache ‘Blue Boa’ PP24,050 (Hyssop)
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Allium ‘Ambassador’ (Ornamental Onion)
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Allium ‘Gladiator’ (Ornamental Onion)
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Allium ‘Summer Drummer’ (Ornamental Onion)
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Allium decipiens (Ornamental Onion)
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Allium giganteum (Ornamental Onion)
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Allium stipitatum ‘White Giant’ (Ornamental Onion)
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Amsonia tabernaemontana (Blue Star)
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Andropogon virginicus (Broomsedge)
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Anemone x hybrida ‘September Charm’ (Windflower)
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Asclepias incarnata ‘Ice Ballet’ (Swamp Milkweed)