Overview
Stachys germanica subsp. bithynica is a perennial, clump-forming herbaceous perennial in the genus Stachys, part of the Lamiaceae family, with grey, woolly, mat-forming foliage. Stachys germanica subsp. bithynica grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H7. Suggested uses include front of borders, ground cover, cottage gardens and wildlife gardens.
About
Stachys germanica subsp. bithynica is a herbaceous perennial cultivar within the Stachys genus, known for its clump-forming habit and grey, woolly, mat-forming foliage. This plant thrives in full sun on south-facing, sheltered sites with fertile, well-drained loam soil of neutral pH. It is hardy to UK zone H7 and is best suited for use at the front of borders, as ground cover, or in cottage and wildlife gardens. Interest in this cultivar is mainly during spring and summer, reflecting the genus's characteristic upright spikes of bilabiate flowers.
About the genus
Stachys is a genus of plants, one of the largest in the mint family Lamiaceae. Estimates of the number of species vary from about 300 to about 450. Plants of the World Online accepts 373 species.
Wikipedia contributors, "Stachys", CC BY-SA 4.0 — Stachys
Growing conditions
Best soil and position for Stachys
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H7
Plant details
Stachys germanica subsp. bithynica size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Perennial, clump-forming
- Foliage
- Grey, woolly, mat-forming
- Suggested uses
- Front of borders, ground cover, cottage gardens, wildlife gardens
Care notes
Pruning and caring for Stachys germanica subsp. bithynica
- Propagation
- Seed, division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Stachys germanica subsp. bithynica?
Stachys germanica subsp. bithynica prefers full sun. It suits sheltered positions.
What soil does Stachys germanica subsp. bithynica need?
Stachys germanica subsp. bithynica grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Stachys germanica subsp. bithynica hardy in the UK?
Stachys germanica subsp. bithynica has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Stachys germanica subsp. bithynica?
Seed, division.
From the Fenn Plants journal
- Notes on DaffodilsWhen to plant daffodil bulbs in the UK, how deep, how to naturalise them in grass, why daffodils stop flowering (“blindness”), and why you should never mix cut daffodils with other flowers.
- Keeping Your NerveHow to garden through a heatwave — the best time to water, why deep soaks beat daily sprinkles, caring for pots and vulnerable plants, and why you can let the lawn go brown.
- Made to LastHow to clean, store and protect garden pots and planters — the frost-proof vs frost-resistant difference, winter care for terracotta and ceramic, and how to reuse a broken pot.
More in the Stachys genus
- Stachys coccineascarlet woundwort

- Stachys germanica

- Stachys lanataLamb's Ear
- Stachys macranthaBig Betony

- Stachys macrantha 'Superba' or 'Robusta'Woundwort

- Stachys officinalisBetony

- Stachys officinalis 'Alba'White Betony

- Stachys officinalis 'Hummelo'Betony
