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UK plant library · herb

Thyme

Thymus vulgaris · Lamiaceae

Compact evergreen culinary herb

Thyme

Photo: Isidre blanc, CC BY-SA 4.0, via Wikimedia Commons

Sun
Full sun
Soil
Free-draining, gritty
Soil pH
Neutral to alkaline
Water
Drought tolerant
Hardiness
Hardy, RHS H5; dislikes cold winter wet
Height and spread
15-30cm tall, 15-40cm spread

Guv's tipThyme's happy in gritty, free-draining soil and doesn't mind drought. Trim it lightly after flowering, but steer clear of old wood.

Through the year

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sow or plant
Harvest
Prune

Timings are for the UK as a whole. Northern and exposed gardens often run a couple of weeks later.

When to plant

Plant in spring (Apr-Jun) or early autumn

Harvest or flowering

Harvest all year; flowers in summer

Pruning

Trim lightly in mid to late spring and/or after flowering; avoid old wood

Making more plants

Softwood or semi-ripe cuttings, layering, division

Watch out for

Pest

Rosemary beetle

Look for: Metallic green-purple striped beetles and grey larvae eating leaves

What to do: Hand-pick or shake onto newspaper; tolerate light damage

Pest

Sage and Ligurian leafhoppers

Look for: Pale mottled patches on upper leaf surfaces

What to do: Usually tolerable; no action normally needed

Always read and follow the label on any treatment, and check it is approved for use where you live.

Safety and spread

Pets and people: Non-toxic to dogs, cats and horses, according to the ASPCA

Weed risk: Not listed as an invasive plant in Great Britain

Checked against two or more reputable gardening sources. How we check our facts

Growing somewhere else? See this plant for the USA and Australia.

Keep it by the back door

The Plant Doctor and the Guv's book

Printable pest and disease charts with real photographs, and all 50 UK plants in one book.

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