Thymus polytrichus A. Kern. ex Borbás subsp. britannicus (Ronniger) Kerguélen

RHS Plant Profile

wild thyme

Other common names

coconut thyme, woolly thyme

Synonyms

Thymus polytrichus subsp. britannicus 'Coconut'
Thymus woolly
Thymus pseudolanuginosus
Thymus praecox subsp. arcticus
Thymus drucei

Shrubs Herbs - Culinary

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A creeping, mat-forming subshrub, 5-10cm tall, with small dark green leaves, up to 8mm long and 4mm wide, usually fringed with minute hairs. The pale to deep purple flowers are produced in summer

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

Up to 10 cm

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 5–10 years
Max Spread: 0.1-0.5 metres
Max Height: Up to 10 cm

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing or East–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H5

Colour & Scent

Fragrance Foliage

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Lamiaceae
Native to GB/Ireland: Yes
Foliage: Evergreen
Habit: Matforming
Genus: Thymus are evergreen woody-based perennials, shrub or sub-shrubs with small aromatic leaves and terminal whorls of small, 2-lipped, tubular, purple, pink or white flowers in late spring or summer
Name Status: Correct
Plant Range: British Isles

How to Grow

Cultivation

Grow in well drained, alkaline to neutral soil in full sun. Won't tolerate wet or waterlogged conditions. Will tolerate drought and poor soils. See thyme cultivation for more information

Propagation

Propagate by seed, by division or plant rooted basal stem cuttings in spring

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Mediterranean climate plants
Coastal
Gravel garden
Rock garden
Wildlife gardens
Flower borders and beds

Pruning

Cut back in spring

Pests

Generally pest-free

Diseases

Generally disease-free