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UrticaUrtica

Nettles are perennial, herbaceous plants characterized by stinging hairs on their leaves and stems. They are found in many gardens and wild areas and are valued both as medicinal and useful plants, as well as ecologically important food plants for insects. However, their rapid spread often requires containment in the garden.

Urtica (Urtica): plant portrait for plant portrait - Wild herbs, Nettle family, Harvest Mar, Apr, May, Jun, Jul, Aug, Sep
Urtica: plant portrait. harvest: Mar, Apr, May, Jun, Jul, Aug, Sep.

Quick profile

Key data

Planting

Mar, Apr, May, Sep, Oct

Harvest

Mar, Apr, May, Jun, Jul, Aug, Sep

Water

medium

Good neighbors

No data

Avoid

No data

Growing data

Urtica Growing data

Seed depth

0 - 0.5 cm

Plant spacing

30 - 50 cm

Row spacing

40 - 60 cm

Germination temp

15 - 22 °C

Sowing and germination

Seed depth0 - 0.5 cm
Germination temp15 - 22 °C
Germination time10 - 21 days
Seed viability2 - 4 years
Light germinatorYes
Dark germinatorNo
Cold germinatorNo
Stratification neededNo
Pre-soaking recommendedNo
Direct sowing possibleYes
Pre-culture recommendedNo

Planting and spacing

Plant spacing30 - 50 cm
Row spacing40 - 60 cm
Plants per m²4 - 9 per m²
Bed widthfrom 60 cm
Spacing1 plant per square foot if contained

Temperature and site

Soil temperature10 - 18 °C
Growing temperaturefrom 5 °C
Optimal temperature12 - 22 °C
Frost sensitiveNo
Late frost sensitiveNo
Heat tolerancemedium
Cold tolerancehigh

Water, nutrients and care

Watermedium
Critical water phasesgermination, establishment after planting, strong spring leaf growth
Watering methodwater at soil level during establishment
Droughtmedium
Waterlogging sensitiveNo
Mulching recommendedYes
Nutrient needheavy_feeder
Compost recommendedYes
Fertilizer sensitivitylow

Container, support and growth

Container suitableYes
Pot sizeVolume: from 10 l; Recommended: from 20 l; Diameter: from 30 cm; Depth: from 25 cm
SupportNo
Height50 - 150 cm
Width30 - 80 cm
Root depth20 - 50 cm
Root spread40 - 100 cm
Yield50 - 300 g young leaves

Year plan

Urtica Calendar

All plants
Indoor sowingDirect sowingPlantingHarvest

Indoor sowing

FebMar

Indoor starting is possible but rarely necessary for nettles. For controlled sowing, start cool and bright.

Direct sowing

MarAprSepOct

Direct sow in spring or autumn on moist, nutrient-rich soil. Cover seed only lightly or press it in.

Planting

MarAprMaySepOct

Plant young plants or divided rhizome pieces in spring or autumn. Because nettles spread, containment is useful.

Harvest

MarAprMayJunJulAugSep

Harvest young shoot tips and leaves before flowering; later growth can be cut for nettle liquid feed. Wear gloves.

Year plan
  1. Harvest young shoots and check patches.
  2. Main harvest of young leaves; wear gloves.
  3. Cut for kitchen use before flowering.
  4. Cut for nettle liquid feed or reduce patches.
  5. Divide, plant, or sow if needed.

Growing

Urtica Site, soil and care

Spacing

30 - 50 cm

Storage

Store fresh briefly in the refrigerator; dry, freeze, or process into herb products for longer keeping.

Nettles are robust and undemanding but can spread aggressively. For harvesting young leaves, plants should be cut before flowering. Always wear gloves when harvesting and processing to protect against stinging hairs. The stinging hairs are neutralized by heating or drying. Nettles are valuable for the kitchen, as a medicinal remedy, and as fertilizer (nettle liquid feed).

Health

Pests, Diseases

Pests

aphids

caterpillars on nettles

Plant health

FAQ

How can I harvest nettles safely?

Always wear thick gloves and long clothing when harvesting to avoid skin contact with stinging hairs. Cut young shoots and leaves before flowering.

How do I neutralize stinging hairs?

Stinging hairs are neutralized by heating (cooking, blanching) or drying the nettles. Processed nettles are no longer irritating.

Can I grow nettles in a pot?

Yes, growing nettles in a pot is a good method to control their spread. Use a sufficiently large pot with good drainage.

What are nettles good for?

Nettles are versatile: as an edible wild vegetable, for medicinal teas, as a valuable fertilizer (nettle liquid feed), and as an important habitat and food plant for insects and butterfly caterpillars.

Related plants

Hop

Same family

Both are in the Urticaceae family.

Cabbage

Similar nutrient needs

Both are heavy feeders, especially requiring nitrogen.

Mint

Similar water needs

Both prefer consistently moist soil and can tolerate some shade.

Sources

Public sources

  1. Wikidata entity

    Wikidata · 2026-05-12

  2. GBIF species match

    GBIF · 2026-05-12

  3. Deutschsprachige Wikipedia: Brennnesseln

    Wikipedia · 2026-05-12

  4. English Wikipedia: Urtica

    Wikipedia · 2026-05-12

Details

More public plant data

Names
Common

Urtica

Plural

Urtica

BotanicalUrtica
Synonyms
  1. nettle
  2. nettles
Common synonyms
  1. nettle
  2. nettles
Regional names
Historical names
Market names
Misspellings
Search terms
  1. Urtica
Taxonomy
KingdomPlantae
Clades
  1. Tracheophyta
  2. Angiosperms
OrderRosales
Family botanicalUrticaceae
Family

Nettle family

Family idurticaceae
GenusUrtica
SpeciesUrtica dioica
Hybrid statusnot_hybrid
Classification
Main groupWild herbs
Sub groupLeafy wild plant
Crop groupNettle
Life cyclePerennial
Perennialyes
Woodyno
Treeno
Shrubno
Edible parts
  1. young leaves
  2. seeds
Nutrient groupNettle
Calendar
Sowing indoor
Months
  1. 2
  2. 3
Earliest month2
Latest month3
Notes

Indoor starting is possible but rarely necessary for nettles. For controlled sowing, start cool and bright.

Sowing outdoor
Months
  1. 3
  2. 4
  3. 9
  4. 10
Earliest month3
Latest month10
Notes

Direct sow in spring or autumn on moist, nutrient-rich soil. Cover seed only lightly or press it in.

Planting out
Months
  1. 3
  2. 4
  3. 5
  4. 9
  5. 10
Earliest month3
Latest month10
Notes

Plant young plants or divided rhizome pieces in spring or autumn. Because nettles spread, containment is useful.

Harvest
Months
  1. 3
  2. 4
  3. 5
  4. 6
  5. 7
  6. 8
  7. 9
Earliest month3
Latest month9
Notes

Harvest young shoot tips and leaves before flowering; later growth can be cut for nettle liquid feed. Wear gloves.

Month tasks
3
  1. Harvest young shoots and check patches.

4
  1. Main harvest of young leaves; wear gloves.

5
  1. Cut for kitchen use before flowering.

6
  1. Cut for nettle liquid feed or reduce patches.

9
  1. Divide, plant, or sow if needed.

Book content
Overview

Nettles are perennial, herbaceous plants characterized by stinging hairs on their leaves and stems. They are found in many gardens and wild areas and are valued both as medicinal and useful plants, as well as ecologically important food plants for insects. However, their rapid spread often requires containment in the garden.

Structured month tasks
3
  1. Tasknettle_3
    Label

    Harvest young shoots and check patches.

    Prioritymedium
    Months
    1. 3
    Conditionestablished or planned patch
    Estimated effortlow
    Notes

    Harvest young shoots and check patches.

4
  1. Tasknettle_4
    Label

    Main harvest of young leaves; wear gloves.

    Prioritymedium
    Months
    1. 4
    Conditionestablished or planned patch
    Estimated effortlow
    Notes

    Main harvest of young leaves; wear gloves.

5
  1. Tasknettle_5
    Label

    Cut for kitchen use before flowering.

    Prioritymedium
    Months
    1. 5
    Conditionestablished or planned patch
    Estimated effortlow
    Notes

    Cut for kitchen use before flowering.

6
  1. Tasknettle_6
    Label

    Cut for nettle liquid feed or reduce patches.

    Prioritymedium
    Months
    1. 6
    Conditionestablished or planned patch
    Estimated effortlow
    Notes

    Cut for nettle liquid feed or reduce patches.

9
  1. Tasknettle_9
    Label

    Divide, plant, or sow if needed.

    Prioritymedium
    Months
    1. 9
    Conditionestablished or planned patch
    Estimated effortlow
    Notes

    Divide, plant, or sow if needed.

Cultivation specs
Seed
Seed depth cm min.0
Seed depth cm max.0.5
Light germinatoryes
Dark germinatorno
Cold germinatorno
Stratification neededno
Pre soaking recommendedno
Germination temperature c min.15
Germination temperature c max.22
Germination days min.10
Germination days max.21
Seed lifespan years min.2
Seed lifespan years max.4
Direct sowing possibleyes
Pre culture recommendedno
Spacing
Plant spacing cm min.30
Plant spacing cm max.50
Row spacing cm min.40
Row spacing cm max.60
Recommended density per sqm min.4
Recommended density per sqm max.9
Thinning distance30 cm
Min. bed width60 cm
Square foot gardening spacing1 plant per square foot if contained
Spacing notes

Nettles spread by runners and should be contained in garden beds or kept in a wild corner.

Growth dimensions
Height cm min.50
Height cm max.150
Width cm min.30
Width cm max.80
Root depth cm min.20
Root depth cm max.50
Root spread cm min.40
Root spread cm max.100
Growth speedfast
Final size notes

Dense patches form quickly on nutrient-rich, moist sites.

Temperature
Min. growing temperature5 °C
Optimal temperature c min.12
Optimal temperature c max.22
Max. heat tolerance30 °C
Soil temperature for sowing c min.10
Soil temperature for sowing c optimal18
Frost sensitiveno
Late frost sensitiveno
Heat tolerancemedium
Cold tolerancehigh
Temperature notes

Nettles are hardy and resprout early in spring.

Water
Water needmedium
Critical water phases
  1. germination
  2. establishment after planting
  3. strong spring leaf growth
Drought tolerantno
Drought sensitivitymedium
Waterlogging sensitiveno
Mulching recommendedyes
Water notes

Fresh to moist soils encourage tender growth; established patches are robust.

Nutrition
Nutrient groupheavy_feeder
Heavy feederyes
Medium feederno
Light feederno
Nitrogen needhigh
Phosphorus needmedium
Potassium needmedium
Calcium needmedium
Magnesium needmedium
Compost recommendedyes
Mulching recommendedyes
Fertilizer sensitivitylow
Nutrition notes

Nettles indicate nutrient-rich, nitrogen-rich sites and grow especially strongly there.

Container
Container suitableyes
Min. pot volume10 l
Recommended pot volume20 l
Min. pot depth25 cm
Min. pot diameter30 cm
Plants per container min.1
Plants per container max.2
Drainage requiredyes
Repotting neededyes
Container notes

Container growing limits spread but needs regular watering.

Support
Needs supportno
Support recommendedno
Climbingno
Viningno
Trellis recommendedno
Training requiredno
Support notes

No support is required.

Cultivation modes
Outdoor bed suitableyes
Raised bed suitableyes
Container suitableyes
Balcony suitableno
Greenhouse suitableno
Polytunnel suitableno
Indoor suitableno
Windowsill suitableno
Hydroponic possibleno
Permaculture suitableyes
No dig suitableyes
Yield density
Yield per plant min.50
Yield per plant max.300
Yield unitg young leaves
Yield per sqm min.300
Yield per sqm max.1200
Yield reliabilityhigh
Yield notes

Several cuts per year are possible if plants are not stripped completely.

Site
Overview

Part-shaded to sunny, nutrient-rich garden edges, wild perennial areas, or contained herb corners.

Soil
Overview

Humus-rich, nitrogen-rich, fresh to moist soil.

Watering
Overview

Keep evenly moist after sowing and planting; water established patches only in dry spells.

Nutrition
Overview

Compost or organic mulches are usually enough; very poor soils slow growth.

Cultivation planning
Succession sowing
Possibleno
Bed planning notes

Establish only where spread is welcome or controllable. Cut regularly for kitchen use and liquid feed.

Rotation prioritylow
Interplanting potentiallow
Mechanization relevancelow
Crop rotation
Notes

Nettle is usually a perennial wild/useful plant at the garden edge, not part of a classic vegetable rotation.

Deficiencies
  1. Pale, weak growth can indicate poor or dry soil.
Problems
  1. vigorous spread by runners and seed
  2. stinging hairs during harvest and care
  3. competition with weaker neighboring plants
Problem management
  1. contain with root barrier, pot, or regular cutting
  2. cut before seed ripens if self-sowing is unwanted
  3. wear gloves and long sleeves when harvesting
Disease graph
Scopenettle garden management
Prevention strategy
Cultural
  1. choose a contained site
  2. cut regularly
  3. do not place in weak plantings
Monitoring
  1. check runners at the edge
  2. watch seed formation
Organic first response
  1. cut back
  2. dig out runners
  3. use cut material for liquid feed or mulch
Notes

Most problems are management and spread issues, not diseases.

Diagnosis
Diagnostic process

For nettles, first distinguish whether the issue is intended use, unwanted spread, or feeding on an ecological host plant.

First checks
  1. Is the patch spreading by runners?
  2. Are seed heads present?
  3. Is feeding damage ecologically tolerable?
Notes

Caterpillar feeding on nettles is often part of its value as a wild plant.

Phenology
Stages
  1. spring emergence
  2. leaf growth
  3. flowering
  4. seed ripening
  5. cutback/regrowth
  6. winter dormancy
Notes

Young shoots are most tender in spring; after cutting, nettles often resprout.

Flowering pollination

Nettles usually flower in summer with inconspicuous inflorescences; pollination is mainly by wind.

Harvest

Cut young leaves and shoot tips with gloves; coarser growth can be harvested for liquid feed.

Harvest details
Harvest frequency

multiple cuts from spring to autumn after regrowth

Harvest indicators
  1. young tender shoot tips
  2. leaves not yet fibrous
  3. before strong flowering for kitchen use
  4. healthy, uncontaminated patches
Post harvest handling

Wear gloves, shake out cut material, wash it, and blanch, dry, or process promptly for kitchen use.

Storage

Store fresh briefly in the refrigerator; dry, freeze, or process into herb products for longer keeping.

Storage details
General storage category

fresh herb, dried herb, or frozen greens

Storage life

Fresh 1-3 days; dried for several months when stored dark and dry.

Processing options
  1. blanch
  2. dry
  3. freeze
  4. tea
  5. soup
  6. nettle liquid feed
Processing use

Nettles are used as wild greens, tea, soup, spinach substitute, fillings, herb powder, and in the garden as liquid plant feed.

Kitchen usage
Preparation tips
  1. wear gloves
  2. blanch or heat leaves to neutralize stinging hairs
  3. harvest only clean sites away from roads and dog-walking areas
Flavor profile

green, spinach-like, slightly herbal and mineral

Culinary traditions
  1. nettle soup
  2. wild herb fillings
  3. tea and spring tonics
Safety and edibility
Edible parts
  1. young leaves
  2. shoot tips
  3. seeds in small amounts
Inedible or caution parts
  1. old fibrous stems
  2. contaminated plants
  3. plants from heavily fertilized or polluted sites
Toxicity notes

Stinging hairs irritate skin. For eating, heat, blanch, dry, or finely process. Use cautiously around medical concerns.

Raw consumption

Raw only after suitable processing such as very fine blending; blanching or heating is customary.

Seed saving

Seeds can be collected in late summer/autumn as seed heads ripen and dry; consider unwanted spread.

Seed saving advanced
Harvest method

Cut seed heads over a cloth and let them finish drying.

Processing

Rub dry material, sieve, and remove chaff.

Storage life

Stores for several years if kept dry, cool, and dark.

Germination tips

Sow shallowly and keep evenly moist; account for light-aided germination.

Varieties
  1. Variety nameUrtica dioica
    Description

    Common nettle. Used as food or medicine.

    Synonyms
    1. Burning nettle
    2. Stinging nettle
  2. Variety nameUrtica urens
    Description

    Small nettle. Native to Southern Europe.

Ecology
Pollinator valuelow
Wildlife valuehigh
Biodiversity notes

Nettles are an important food source for the caterpillars of numerous butterfly species (e.g., Peacock, Red Admiral, Small Tortoiseshell) and provide habitat for many insects. They are a key species for biodiversity in naturalistic gardens.

Practical notes

Nettles are robust and undemanding but can spread aggressively. For harvesting young leaves, plants should be cut before flowering. Always wear gloves when harvesting and processing to protect against stinging hairs. The stinging hairs are neutralized by heating or drying. Nettles are valuable for the kitchen, as a medicinal remedy, and as fertilizer (nettle liquid feed).

Seasonal content
Spring

In spring, nettles sprout vigorously. Young shoots are tender and excellent for culinary use (soups, spinach substitute) and for making nettle liquid feed. Harvest with gloves.

Summer

Harvesting can continue. Nettle liquid feed is particularly effective now. Watch for seed formation to control unwanted spread.

Autumn

Above-ground parts can be cut back to control spread and prepare the bed for winter. Remove woody stems.

Winter

The plant retreats. The location can be planned for the next year. Woody remnants can be removed.