Overview

Stachys byzantina is a matforming herbaceous perennial in the genus Stachys, part of the Lamiaceae family, with evergreen foliage. It typically grows around 0.1-0.5 metres tall and 0.5-1 metres wide, reaching full size in around 2-5 years. Stachys byzantina grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H7. Suggested uses include cottage and informal garden, gravel garden, wildflower meadow and wildlife gardens.

About

Plants are very often found under the synonym Stachys lanata or Stachys olympica. It is cultivated throughout much of the temperate world as an ornamental plant, and is naturalised in some locations as an escapee from gardens. Lamb's-ear flowers in late spring and early summer; plants produce tall spike-like stems with a few reduced leaves. The flowers are small and light purple. In the wild it grows across North America, Iran, Krym, North Caucasus, Transcaucasus and other regions. It grows to around 0.1-0.5 metres tall and 0.5-1 metres wide, carrying evergreen foliage. Grow it in full sun and most soil types. It tolerates soil of any pH, well-drained conditions and south-facing aspects.

Wikipedia contributors, CC BY-SA 4.0Stachys byzantina

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 4.0Stachys

Growing conditions

Best soil and position for Stachys

Sunlight
Full sun
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Well-drained
Aspect
South-facing
Exposure
Exposed
UK hardiness
H7

Plant details

Stachys byzantina size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Matforming
Foliage
Evergreen
Height
0.1-0.5 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
Cottage and informal garden, Gravel garden, Wildflower meadow, Wildlife gardens

Care notes

Pruning and caring for Stachys byzantina

Propagation
Seed, Division
Pest resistance
Slugs
Disease resistance
Powdery mildew

Frequently asked questions

Where is the best place to plant Stachys byzantina?

Stachys byzantina prefers full sun. It suits exposed positions.

What soil does Stachys byzantina need?

Stachys byzantina is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.

How big does Stachys byzantina grow?

Stachys byzantina reaches a height of 0.1-0.5 metres and a spread of 0.5-1 metres. It takes around 2-5 years to reach full size.

Is Stachys byzantina hardy in the UK?

Stachys byzantina 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 byzantina?

Seed, Division.

More in the Stachys genus

Browse all Stachys

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