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Lactuca biennis - (Moench.)Fernald.

Common Name Tall Blue Lettuce
Family Asteraceae or Compositae
USDA hardiness Coming soon
Known Hazards None known
Habitats Damp thickets
Range Eastern N. America
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care (info)
Moist Soil Semi-shade Full sun
Lactuca biennis Tall Blue Lettuce


USDA Plant Database/Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 321. Courtesy of Kentucky Native Plant Society.
Lactuca biennis Tall Blue Lettuce

 

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Summary


Physical Characteristics

 
Lactuca biennis is a . The species is hermaphrodite (has both male and female organs).
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

L. spicata.

Plant Habitats

 Cultivated Beds;

Edible Uses

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.


The root is analgesic, antiemetic and haemostatic[257]. A decoction has been used in the treatment of body pain, but not pain in the limbs[257]. The decoction has also been used in the treatment of haemorrhages, heart troubles, diarrhoea and vomiting[257].

References   More on Medicinal Uses

The Bookshop: Edible Plant Books

Our Latest books on Perennial Plants For Food Forests and Permaculture Gardens in paperback or digital formats.

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Other Uses

None known

Special Uses

References   More on Other Uses

Cultivation details

222196

References   Carbon Farming Information and Carbon Sequestration Information

Temperature Converter

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

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The PFAF Bookshop

Plants For A Future have a number of books available in paperback and digital form. Book titles include Edible Plants, Edible Perennials, Edible Trees,Edible Shrubs, Woodland Gardening, and Temperate Food Forest Plants. Our new book is Food Forest Plants For Hotter Conditions (Tropical and Sub-Tropical).

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Plant Propagation

Other Names

If available other names are mentioned here

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 :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Lactuca canadensisCanada LettuceBiennial3.0 -  LMSNM23 
Lactuca capensis Perennial0.5 -  LMSNM12 
Lactuca debilis Perennial0.0 -  LMSNM32 
Lactuca formosana  0.0 -  LMSNM12 
Lactuca indicaIndian LettucePerennial1.2 -  LMSNM32 
Lactuca indica dracoglossa Annual/Biennial1.0 -  LMSNM22 
Lactuca indica laciniata Perennial1.2 -  LMSNM32 
Lactuca ludovicianaWestern Wild Lettuce, Biannual lettuceBiennial1.2 0-0  LMSNM22 
Lactuca perennisPerennial LettucePerennial0.6 5-9  LMNDM32 
Lactuca pulchellaBlue LettucePerennial1.0 -  LMSNM22 
Lactuca quercinaWild LettuceAnnual/Biennial1.0 -  LMSNM23 
Lactuca raddeana Annual/Biennial0.6 -  LMSNM22 
Lactuca sativaLettuce, Garden lettuceAnnual/Biennial0.9 5-9  LMSNM331
Lactuca sativa angustanaCeltuceAnnual/Biennial0.6 5-9  LMSNM332
Lactuca sativa capitataCabbage LettuceAnnual/Biennial0.9 5-9  LMSNM332
Lactuca sativa crispaCutting LettuceAnnual/Biennial0.9 5-9  LMSNM332
Lactuca sativa longifoliaCos LettuceAnnual/Biennial0.9 5-9  LMSNM332
Lactuca serriolaPrickly LettuceBiennial1.5 6-9  LMNM232
Lactuca sibiricaPrickly lettucePerennial1.0 0-0  LMSNM22 
Lactuca triangulata Biennial/Perennial1.0 -  LMSNM12 
Lactuca virosaWild Lettuce, Bitter lettuceAnnual/Biennial1.8 5-9  LMNM13 

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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Author

(Moench.)Fernald.

Botanical References

Links / References

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Subject : Lactuca biennis  
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