Broadleaf Hemp Nettle
Galeopsis ladanumfam. Lamiaceae
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Pl. 87A5 — Galeopsis ladanum
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IOverview
Overview
Broadleaf Hemp Nettle (Galeopsis ladanum) is an annual forb or herb native to a wide range of European and Asian countries including Albania, Altay, Austria, Belarus, Belgium, Bulgaria, and others. This plant thrives in moist conditions with light to heavy soils and prefers a pH between 7.5 and 8. Known for its edible properties, it can be found growing up to 0.6 meters tall. One distinctive feature of this nettle is its light energy requirement, making it well-suited for areas with moderate sunlight.
Quick answers
What is Broadleaf Hemp Nettle?
Broadleaf Hemp Nettle (Galeopsis ladanum) is an annual forb or herb native to a wide range of European and Asian countries including Albania, Altay, Austria, Belarus, Belgium, Bulgaria, and others. This plant thrives in moist conditions with light to heavy soils and prefers a pH between 7.
Growingconditions · propagation · uses
VCultivation
Cultivation
Broadleaf Hemp Nettle thrives in moist conditions and prefers light (sandy), medium, or heavy (clay) soils with a pH between 7.5 and 8. It requires full to partial sunlight, making it adaptable to various light levels. This annual plant grows up to 0.6 meters tall and can be propagated through seeds. Given its native range in temperate regions, it is hardy but may require protection from extreme weather conditions outside of its natural habitat. Ensure the soil remains consistently moist for best growth.
Light
8/10
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Life cycle
Annual
Habit
Forb/herb
Mature size
0.6 m tall
Soil pH
7.5–8
For first-time growers
How to grow Broadleaf Hemp Nettle for the first time
8steps
Start with Broadleaf Hemp Nettle as a simple annual herb for your garden.
- 1
What you'll need
Seeds, small pots or direct planting area, soil pH tester.
- 2
Best time to plant
Plant in spring after the last frost, when temperatures are mild.
- 3
Soil and container prep
Ensure soil is well-draining with a pH of 7.5–8; use containers at least 30 cm deep.
- 4
Sowing or transplanting
Direct sow seeds 1 cm deep, spaced 20-30 cm apart; thin seedlings to 45 cm apart if needed.
- 5
First two weeks
Keep soil moist and provide light shade until plants are established.
- 6
Ongoing care
Water regularly but avoid overwatering. Mulch around the base for moisture retention.
- 7
Harvest or pruning
Prune back after flowering to encourage new growth and prevent self-seeding.
- 8
Common mistakes
Overwatering, planting in heavy soil, neglecting to thin seedlings.
VIEdible & utility
Edible & utility
Edible uses: Oil
Other uses:oil
Contextrange · companions · related
VIIDistribution
30 native · 0 introduced
Distribution
30 native · 0 introducedDistribution across1 continent· 30 native
Europe16 regions
native (16)AustriaBelarusBelgiumBulgariaDenmarkFinlandFranceGermanyGreeceHungaryItalyNetherlandsNorwayPolandRussiaUkraine
Broader regions
native:Buryatiya, Czechoslovakia, Irkutsk, Kamchatka, Khabarovsk, Kirgizstan, Krasnoyarsk, Primorye, Altay
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family (Lamiaceae), common use cases, and growing requirements.
same family · Lamiaceae
Botanical relatives — often share phytochemistry + growing needs.
XI
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Companion planting
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