Stachys macrantha ‘Superba’ or Betonica Macrantha is also called Big Betony ‘Superba’, Stachys grandiflora, Betonica grandiflora ‘Superba‘, Stachys spicata ‘Superba‘. “Macrantha” means “large-flowered” in Latin. It is a deciduous, herbaceous perennial. It is clump-forming. It is part of the Lamiaceae family of plants. It is native to Caucasus and Iran.
It grows to about 60cm or 24in tall. Stachys macrantha ‘Superba’ has wrinkled dark green leaves. The are sacalloped and lance-shaped. It blooms in late spring or early summer. The hooded flowers are pinkish-purple and they form in whorls. Flowers grow on spikes. They are tubular.
How to grow Stachys macrantha ‘Superba’:
It is easy to grow. Grow Stachys macrantha ‘Superba’ in the sun or partial shade. Partial shade helps if you are in a hot and humid climate. Plant it in average to medium moisture but well-drained soil. It is drought-tolerant once established. It is pest-free and disease-free. Watch out for slugs, snails or powdery mildew. It is also rabbit and deer resistant. It attracts bees and butterflies. Propagate by division in spring or by seed.