Stachys macrantha
aka S. grandiflora or Betonica grandiflora
Big Betony
3-8
Caucasus Mountains

Rosette-forming perennial
18 inches tall  with a 12 inches width.
The violet-purple flowers are arranged in whorls equally spaced on stiff stems that are 18 inches tall. The individual flowers are cylindrical, up to 1 inch long with 2 lipped limbs. The upper lip is usually concave and 2 lobed while the lower lip is 3 lobed.
Late spring to early summer.
Stachys is a member of the mint family consequently, the stems of this species are 4 angled. The leaves are 2˝-3˝ inches long. The stem leaves are similar in shape, but are smaller and sessile. The leaves and stems are hairy and the leaves have a heavy textured wrinkled appearance.
 
 
  • 'Alba' - White flowers
  • 'Robusta' - Rosy pink flowers and is considered to have the richest flower color.
  • 'Rosea' - Rose-red flowers, similar to the species.
  • 'Violacea' - Dark violet flowers. 'Superba' is very similar.
 
Stachys is from the Greek word stachus, meaning spike and refers to the pointed inflorescences.

 

 
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