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Galeopsis speciosa - Mill.

Common Name Large Flowered Hemp Nettle, Edmonton hempnettle
Family Lamiaceae
USDA hardiness Coming soon
Known Hazards The plant is poisonous, causing paralysis[74].
Habitats Arable land, often on black peaty soils[17].
Range Europe, including Britain, from Norway south and east to France, Bulgaria and Siberia.
Edibility Rating    (0 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (0 of 5)
Care (info)
Moist Soil Semi-shade Full sun
Galeopsis speciosa Large Flowered Hemp Nettle, Edmonton hempnettle


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Galeopsis speciosa Large Flowered Hemp Nettle, Edmonton hempnettle
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Summary


Physical Characteristics

 icon of manicon of flower
Galeopsis speciosa is a ANNUAL growing to 1 m (3ft 3in). It is in flower from July to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Plant Habitats

 Cultivated Beds;

Edible Uses

Edible Parts: Oil
Edible Uses: Oil

None known

References   More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


None known

References   More on Medicinal Uses

Other Uses

Oil

A drying oil is obtained from the seed. It is used as a polish for leather[74].

Special Uses

References   More on Other Uses

Cultivation details

Grows in most soils, disliking heavy shade. This plant is sometimes grown in the wild garden[200].

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

Type a value in the Celsius field to convert the value to Fahrenheit:

Fahrenheit:

Plant Propagation

Seed - sow spring in situ[200]. Germination usually takes place within a month.

Other Names

If available other names are mentioned here

Native Range

EUROPE: Denmark, Finland, United Kingdom, Norway, Sweden, Austria, Belgium, Switzerland, Czech Republic, Germany, Hungary, Liechtenstein, Luxembourg, Netherlands, Poland, Slovakia, Belarus, Estonia, Lithuania, Latvia, Ukraine, Albania, Bulgaria, Greece, Italy, Romania, France

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it's worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

IUCN Red List

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Galeopsis bifidaSplitlip hempnettleAnnual1.0 0-0  LMHSNM002
Galeopsis ladanumBroadleaf Hemp Nettle, Red hempnettleAnnual0.6 0-0  LMHSNM002
Galeopsis segetumDowny Hemp NettleAnnual0.6 -  LMHSNM02 
Galeopsis tetrahitCommon Hemp Nettle, Brittlestem hempnettleAnnual1.0 0-0  LMHSNM012

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Expert comment

Author

Mill.

Botanical References

17200

Links / References

For a list of references used on this page please go here

Readers comment

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Subject : Galeopsis speciosa  
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