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Isodon effusus
Long-tubed Trumpet Spurflower
Item #: 5413
Zones: 6a to 8b
Dormancy: Winter
Height: 36" tall
Culture: Part Sun to Light Shade
Origin: Japan
Pot Size: 3.5" pot (24 fl. oz/0.7 L)
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(aka: Rabdosia effusus (longituba), Plectranthus effusus) From the Japanese mountains of Honshu, Shikoku, and Kyushu comes this woodland member of the salvia family...formerly Rabdosia longituba, before its reassignment to the genus Plectranthus, then to the genus Isodon. The stems of the clumping Isodon effusus rise throughout the summer, reaching 2' tall by September when they are topped with 1' long, airy panicles containing hundreds of pendent, purple tubes. Isodon effusus is as hard to describe as it is to pronounce, but finding anything that flowers in the fall woodland is difficult...simply superb!
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Other Attributes
Genus: Isodon
Flower Color: Blue , Purple/Lavender
Leaf Color: Green
Bloom Time: Fall
Container Role: Thrillers
Garden Themes: Cottage Garden Plants , Living Wall
Other: Cut Flower Plants , Pollinator Plants , Plants from Japan