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Phytolacca americana - L.

Common Name Pokeweed, American pokeweed, Garnet, Pigeon Berry, Poke
Family Phytolaccaceae
USDA hardiness 4-8
Known Hazards The leaves are poisonous[21, 62, 76, 95]. They are said to be safe to eat when young, the toxins developing as the plants grow older. Another report says that the seeds and root are poisonous. The plant sap can cause dermatitis in sensitive people[222]. The plant contains substances that cause cell division and can damage chromosomes. These substances can be absorbed through any abrasions in the skin, potentially causing serious blood aberratins, and so it is strongly recommended that the people wear gloves when handling the plant[222, 274]. Avoid during pregnancy. Even children consume even 1 berry emergency poison treatment should be instituted. Up to 10 berries are considered harmless for adults [301].
Habitats Damp rich soils in clearings, woodland margins and roadsides[43]. Disturbed areas, pastures, clearings, thickets, woodland borders and roadsides from sea level to 1400 metres[270].
Range Northern and Central N. America. Occasionally naturalized in Britain[17].
Edibility Rating    (3 of 5)
Other Uses    (2 of 5)
Weed Potential Yes
Medicinal Rating    (3 of 5)
Care
Fully Hardy Moist Soil Semi-shade Full sun
Phytolacca americana Pokeweed, American pokeweed, Garnet, Pigeon Berry, Poke


http://commons.wikimedia.org/wiki/User:Traumrune
Phytolacca americana Pokeweed, American pokeweed, Garnet, Pigeon Berry, Poke
http://commons.wikimedia.org/wiki/User:Llez

 

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Summary


Physical Characteristics

 icon of manicon of flower
Phytolacca americana is a PERENNIAL growing to 2 m (6ft) by 1.5 m (5ft) at a fast rate.
It is hardy to zone (UK) 4 and is not frost tender. It is in flower from August to September, and the seeds ripen from September to November. The species is hermaphrodite (has both male and female organs).
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

P. decandra.

Habitats

Woodland Garden Sunny Edge; Dappled Shade; Cultivated Beds;

Edible Uses

Edible Parts: Fruit  Leaves
Edible Uses: Colouring

Leaves - they must be cooked and even then it is best to change the water once[1, 2, 4, 33, 95]. They are used like spinach[183]. Only the young leaves should be used since they become toxic with age[102]. Caution is advised, see the notes above on toxicity. Young shoots - cooked[20, 33, 62, 102]. An asparagus substitute[183], they are delicious[159]. The shoots are sometimes blanched before using, or forced in cellars to provide an early crop[183]. The tender clear inner portion of the stem can be rolled in cornmeal and fried[183]. Although cultivated on a small scale in N. America for its shoots, caution is advised, see notes above. A nutritional analysis is available[218]. Fruit - cooked and used in pies[159, 213]. Poisonous raw, causing vomiting and diarrhoea. Even the cooked fruits should be viewed with caution. The fruit is a berry about 12mm in diameter[200]. A red dye is obtained from the fruit and used as a food colouring[183].

Composition
Figures in grams (g) or miligrams (mg) per 100g of food.
Shoots (Dry weight)
  • 274 Calories per 100g
  • Water : 0%
  • Protein: 31g; Fat: 4.8g; Carbohydrate: 44g; Fibre: 0g; Ash: 20.2g;
  • Minerals - Calcium: 631mg; Phosphorus: 524mg; Iron: 20.2mg; Magnesium: 0mg; Sodium: 0mg; Potassium: 0mg; Zinc: 0mg;
  • Vitamins - A: 62mg; Thiamine (B1): 0.95mg; Riboflavin (B2): 3.93mg; Niacin: 14.3mg; B6: 0mg; C: 1619mg;
  • Reference: [ 218]
  • Notes:

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.
Alterative  Anodyne  Antiinflammatory  Antirheumatic  Antiviral  Cancer  Cathartic  Expectorant  
Homeopathy  Hypnotic  Narcotic  Purgative

Pokeweed has a long history of medicinal use, being employed traditionally in the treatment of diseases related to a compromised immune system. The plant has an interesting chemistry and it is currently (1995) being investigated as a potential anti-AIDS drug[238]. It contains potent anti-inflammatory agents, antiviral proteins and substances that affect cell division[238]. These compounds are toxic to many disease-causing organisms, including the water snails that cause schistosomiasis[238]. All parts of the plant are toxic, an excess causing diarrhoea and vomiting[238]. This remedy should be used with caution and preferably under the supervision of a qualified practitioner. It should not be prescribed for pregnant women[238]. The root is alterative, anodyne, anti-inflammatory, cathartic, expectorant, hypnotic, narcotic and purgative[4, 21, 46, 61, 165, 192, 238]. The dried root is used as an anodyne and anti-inflammatory[213]. The root is taken internally in the treatment of auto-immune diseases (especially rheumatoid arthritis), tonsillitis, mumps, glandular fever and other complaints involving swollen glands, chronic catarrh, bronchitis etc[238]. The fresh root is used as a poultice on bruises, rheumatic pains etc, whilst a wash made from the roots is applied to swellings and sprains[222]. The root is best harvested in the autumn and can be dried for later use[238]. The fruit has a similar but milder action to the roots[238].The juice is used in the treatment of cancer, haemorrhoids and tremors[213]. A poultice made from the fruit is applied to sore breasts[222]. A tea made from the fruit is used in the treatment of rheumatism, dysentery etc[222]. The plant has an unusually high potassium content and the ashes, which contain over 45% caustic potash, have been used as a salve for ulcers and cancerous growths[232]. The leaves are cathartic, emetic and expectorant[222]. A homeopathic remedy is made from the fresh root[232]. Its main action is on the throat, breast, muscular tissues and the joints[232].

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Edible Shrubs provides detailed information, attractively presented, on over 70 shrub species. They have been selected to provide a mix of different plant sizes and growing conditions. Most provide delicious and nutritious fruit, but many also have edible leaves, seeds, flowers, stems or roots, or they yield edible or useful oil.

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Other Uses

Ink  Insecticide  Soap

A red ink and a dye are obtained from the fruit[46, 50, 57, 100, 102, 159, 169]. A beautiful colour, though it is not very permanent[4]. It makes a good body paint, washing off easily when no longer required, though the slightly toxic nature of the berries should be remembered[K]. The rootstock is rich in saponins and can be used as a soap substitute[169]. Cut the root into small pieces and simmer it in boiling water to obtain the soap. The plant is currently (1980) being evaluated for its snail-killing properties[213].

Special Uses

Food Forest

Cultivation details

An easily grown plant, succeeding in most soils[1], though preferring a moisture retentive soil in full sun or partial shade[111, 200]. Plants can be grown in quite coarse grass, which can be cut annually in the autumn[233]. Succeeds in an open woodland garden[200], growing well under trees[20]. Whilst the dormant plant is hardy in much of Britain, the young growth in spring can be damaged by late frosts. A very ornamental plant[1], it often self sows when in a suitable position[200]. Cultivated as a dye plant[50] and on a small scale for its edible young shoots, there is at least one named form. 'White Stem' has white stems and the berries yield a golden-peach dye instead of purple. It is not yet known (1992) if it will breed true from seed[183]. This plant is an alternative host to a number of viral diseases that affect members of the Amaryllidaceae, Liliaceae (broad view, including plants recently [1992] moved into separate families) and Solanaceae[200]. Plants seem to be immune to the predations of rabbits[233]. The plant is heat tolerant in zones 9 through 5. (Plant Hardiness Zones show how well plants withstand cold winter temperatures. Plant Heat Zones show when plants would start suffering from the heat. The Plant Heat Zone map is based on the number of "heat days" experienced in a given area where the temperature climbs to over 86 degrees F (30°C). At this temperature, many plants begin to suffer physiological damage. Heat Zones range from 1 (no heat days) to 12 (210 or more heat days). For example Heat Zone. 11-1 indicates that the plant is heat tolerant in zones 11 through 1.) For polyculture design as well as the above-ground architecture (form - tree, shrub etc. and size shown above) information on the habit and root pattern is also useful and given here if available. The plant growth habit is a clumper with limited spread [1-2].

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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, and Woodland Gardening. Our new book to be released soon is Edible Shrubs.

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Propagation

Seed - sow autumn or spring in a cold frame[200]. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. If you have sufficient seed, it might be worthwhile trying an outdoor sowing in a seed bed in early spring. Grow the plants on in the seedbed for their first year and plant them out the following spring. Division in March or October. Use a sharp spade or knife to divide the rootstock, making sure that each section has at least one growth bud. Very easy, larger divisions can be planted out direct into their permanent positions. We have found that it is better to pot up the smaller divisions and grow them on in light shade in a cold frame until they are well established before planting them out in late spring or early summer.

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

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
Petiveria alliaceaGuinea Hen WeedPerennial1.0 9-12 FLMHSNM043
Phytolacca acinosaIndian PokePerennial1.5 7-10  LMHSNM23 
Phytolacca dioicaBella SombraTree4.0 8-11  LMHSNM20 
Phytolacca dodecandraEndod, PokeberryShrub4.0 10-12 MLMHFSNDM234
Phytolacca esculenta Perennial1.0 5-9  LMHSNM22 

 

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Expert comment

Author

L.

Botanical References

43200274

Links / References

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

Readers comment

Christine   Sun Sep 17 2006

I AM LOOKING FOR A RECIPE FOR DYEING WITH pHYTOLACCA

Gaye Harrison   Tue Nov 7 2006

Would like a recipe for ink.

Karen Vaughan   Tue May 15 2007

The color of phytolacca fades easily and is not suitable for ink or dye as it cannot be fixed.

Wikipedia Extensive writeup on botany, traditional uses.

Riccardo Boeri   Mon Sep 10 2007

Poisonous Plants of North Carolina Information on toxicity of Phytolacca and some details for cooking safely.

Pam   Wed Jun 25 2008

I am looking for information --recipes to make ink. I volunteer at the Home Textle Tool Museum and we are expanding our Childen's area to include writing with quill and home made ink.

Richie   Sat Jun 6 2009

HOW DO YOU DISCONTINUE (KILL) IT'S GROWTH? This weed is taking over my backyard landscaping! The leaves are very poisonous. I had this stuff on the outsides of my hands for over a year! Ended up with severe case of exema on top of hands.

   Nov 29 2010 12:00AM

I've eaten the young leaves - cooking by genle boiling and changing the water 2 or 3 times. I was surprised at how well the leaves held up, there was still a lot to them even with all the cooking. The taste is best the younger the leaves are. A friend of mine cans them. the berries are prolific and only a few references indicate you can eat them if cooked. I haven't tried it Yet.

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