Perennials
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Iris cristata ‘Alba’ (Crested Iris)
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Iris cristata ‘Powder Blue Giant’ (Dwarf Crested Iris)
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Iris cristata (Dwarf Crested Iris)
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Iris germanica ‘Firebreather’ (German Bearded Iris)
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Iris sibirica ‘Caesar’s Brother’ (Siberian Iris)
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Iris versicolor (Blue Flag Iris)
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Iris virginica Shrevei (Southern Blue Flag)
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Isotoma fluviatilis (Blue Star Creeper)
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Jasione montana (Sheep’s Bit)
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Kalimeris incisa ‘Blue Star’ (Japanese Aster)
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Kalimeris integrifolia ‘Daisy Mae’ (Japanese Aster)
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Knautia macedonica (Macedonian Scabious)