How do I stop the sting?

Cooking, drying, or blending the leaves destroys the stinging hairs completely.

Will it take over my garden?

Yes, it spreads aggressively through underground rhizomes and should be contained.

Plant guide

Stinging Nettle.

Urtica dioica

Pronounced ur-TI-ka dy-OH-ih-ka

Also known as California Nettle, Common Nettle, European Nettle, Giant Nettle, Nettle, Slender Nettle, Stinging Nettle

Stinging nettle is a hardy perennial known for its medicinal uses and distinct stinging hairs. It thrives in nitrogen rich soils and often grows in large colonies. You will find it in moist, shaded areas near streams or forest edges.

At a glance

Care level: Easy
Plant type: Perennial herb
Light: Partial shade to full sun
Indoor light: Bright indirect
Water: Every 3 to 7 days
Mature size: 3 to 7 feet
Growth rate: Fast
Hardiness: USDA 3 to 9
Bloom time: Late spring to early autumn

Care

Keep the soil consistently moist to mimic its natural damp habitat. Wear gloves when handling the plant to avoid the painful sting from its tiny hairs. Watch for wilting if the soil dries out too much.

Watering: Keep the soil evenly moist but not waterlogged.
Feeding: Apply a balanced organic fertilizer during the active growing season.
Pruning: Trim back stems to encourage bushier growth and prevent it from becoming too leggy.
Repotting: Repot when the roots fill the container or the plant becomes rootbound.
Soil: Rich, moist, well draining soil
Soil pH: 6.0 to 7.5
Temperature: -30 to 35°C
Humidity: 40 to 80%
Drought tolerance: Moderate
Lifespan: Perennial, typically 5 to 10 years
Deer and rabbits: High

Signs it needs repotting

Roots growing out of drainage holes
Stunted growth
Soil drying out too quickly

Safety

People: The plant is not toxic, but the stinging hairs cause immediate skin irritation and inflammation upon contact.
Pets: This plant is generally considered non toxic to pets, but the stinging hairs can cause irritation if touched.
Children: Keep children away from patches to prevent painful stings on hands and legs.
Contact allergens: The stinging hairs contain chemicals that cause a painful, itchy rash on contact with skin.
Airborne allergens: The fine pollen released in summer can trigger hay fever in sensitive individuals.
Edibility: Always cook or dry the leaves thoroughly to neutralize the stinging hairs before consumption.

How to identify it

Opposite, serrated, heart shaped leaves
Stinging hairs on stems and leaves
Small, greenish, drooping flower clusters
Square stems, though it is not a member of the mint family

Height: 0.6 to 2m
Spread: 0.5 to 1.5m
Leaves: dark green, deciduous
Flowers: green, white, 0.1 to 0.3cm
Fruit: brown, Autumn

Problems to watch for

AphidsCommon
Leaf SpotCommon
CaterpillarsUncommon
Powdery MildewUncommon

By symptom

Plant problems by symptom

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Growing it

Propagation: division, seed, rhizome cuttings
When to plant: spring, autumn
Overwintering: The foliage dies back to the ground in winter. Mulch the base if you live in a very cold climate to protect the rhizomes.
In containers: It grows well in containers, but use a large pot to accommodate the vigorous root system.

Division

1. Dig up a clump in early spring.
2. Use a sharp spade to divide the root mass.
3. Replant sections immediately in moist soil.

Seed

1. Collect seeds in late summer.
2. Sow on the surface of moist compost.
3. Keep in a bright spot until germination.

Plant in a dedicated patch away from walkways to avoid accidental stings.

Grows well with

Comfrey · Both plants are excellent for creating nutrient rich liquid fertilizers.
Mint · They share similar moisture requirements and thrive in semi shaded areas.

Similar species

Small Nettle · A smaller annual relative that also possesses stinging hairs.
Dead Nettle · Often confused with stinging nettle but lacks the stinging hairs and has different flowers.

Science

Family: Urticaceae
Genus: Urtica
Order: Rosales
Class: Magnoliopsida
Native range: Temperate regions of Europe, Asia, and North Africa.
Conservation: This plant is common and widespread, requiring no special conservation status.

It thrives in nutrient rich, disturbed soils and often forms dense colonies that provide shelter for insects.

Value to wildlife: larval host plant, nectar source
Pollinators: bees, butterflies, moths
Uses: culinary tea, nutrient rich compost, fiber source, medicinal tincture

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 2/9
Soil reaction: 6/9
Light: 6/9
Temperature: 5/9
Moisture: 6/9
Nutrients: 8/9

Taxonomy resolved against GBIF.

Questions people ask

How do I stop the sting?: Cooking, drying, or blending the leaves destroys the stinging hairs completely.
Will it take over my garden?: Yes, it spreads aggressively through underground rhizomes and should be contained.

Where the name comes from

The name Urtica comes from the Latin word for burn, referring to the sting, while dioica means two houses, noting the separate male and female plants.

Good to know

Nettle fiber was historically used to make fabric similar to linen.
The stinging sensation is caused by silica tips breaking off in the skin.
Nettles are a classic indicator of nitrogen rich soil.
They are a vital food source for the caterpillars of several butterfly species.
Ancient Romans reportedly used nettles to treat rheumatism by whipping their skin.

Also in

Deer-resistant plants

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This guide was generated with AI on September 25, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.