Genus: Bugleweed

Ajuga

Photo/Illustration: 
Steve Aitken
Bugleweed (Ajuga)
ah-JEW-gah
Lamiaceae
The genus Ajuga includes annuals and (usually) rhizomatous perennials in 40 species that come from shady habitats in temperate Europe and Asia. Some are grown for their colorful foliage. Most have blue, 2-lipped, tubular flowers in whorls in spring to early summer. Bugleweeds make great groundcovers, especially in moist conditions. They spread from rhizomes or stolons.
Noteworthy characteristics:  Attractive foliage; tubular, 2-lipped flowers in whorls. Excellent groundcovers, but A. reptans can invade lawns.
Care:  Ajuga needs a moist soil in partial shade (their foliage may scorch in full sun). Some species tolerate poor soils and full shade.
Propagation: 

In early summer, separate rooted stems or take root cuttings.

Problems: 

Southern blight is very common, while various fungal leaf spots, crown rot, and fungal root rot can also occur.

Species, varieties and clutivars for genus Ajuga

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Carpet bugleweed
Ajuga reptans
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'Black Scallop' bugleweed
Ajuga reptans 'Black Scallop'