Calendula arvensis

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Calendula arvensis
Light:Full Sun
Moisture:Mesic
Hardiness:6
Soil pH:5.6-8.4
Height:1'
Blooms:Early Summer-Late Fall
Native to:
Edible Rating:PFAF Edibility RatingPFAF Edibility Rating
Medicinal Rating:PFAF Medicinal RatingPFAF Medicinal Rating
Tea:Yes
Poisonous

Calendula arvensis (common name: field marigold)

Propagation: Seed - sow in situ from spring to early summer and again in September. The seed germinates best in darkness and usually within 1 - 2 weeks at 21°c[1].

Cultivation: An easily grown and very ornamental plant, it succeeds in any well-drained soil[2], though it prefers a good loam and does best in a sunny or at least partially sunny position[3][4][2]. The plant flowers best when it is grown in a poor soil.

Plants usually self-sow quite freely in the garden.

Range: Europe. A garden escape in Britain[5].

Habitat: Fields, vineyards and waste ground[6].

Edibility: Young shoots and leaves - raw or cooked[7][8][9][10]. The leaves are very rich in vitamins and minerals, they are similar to Taraxacum officinale (Dandelion) in nutritional value[11].

Flower heads - pickled[8][9].

Medicinal: The leaves are diaphoretic[12][13].

The flowers are said to be antispasmodic, emmenagogue and stimulant[13].

The plant seems to have similar therapeutic properties to pot marigold, C. officinalis[14]. These properties are:-

Pot marigold is one of the best known and versatile herbs in Western herbal medicine and is also a popular domestic remedy[3][14]. It is, above all, a remedy for skin problems and is applied externally to bites and stings, sprains, wounds, sore eyes, varicose veins etc[3][14]. It is also a cleansing and detoxifying herb and is taken internally in treating fevers and chronic infections[3][14]. Only the common deep-orange flowered variety is considered to be of medicinal value[3].

The whole plant, but especially the flowers and the leaves, is antiphlogistic, antiseptic, antispasmodic, aperient, astringent, cholagogue, diaphoretic, emmenagogue, skin, stimulant and vulnerary[3][15][16][17][18][19][20]. The leaves can be used fresh or dried, they are best harvested in the morning of a fine sunny day just after the dew has dried from them[3]. The flowers are also used fresh or dried, for drying they are harvested when fully open and need to be dried quickly in the shade[3].

A tea of the petals tones up the circulation and, taken regularly, can ease varicose veins[20].

An application of the crushed stems to corns and warts will soon render them easily removable[15].

The leaves, blossoms and buds are used to make a homeopathic remedy[21]. It is used internally in order to speed the healing of wounds[21].

Pollinators: Bees

Soil: Can grow in light, medium, and heavy soils.

Drainage: Prefers well drained soil.

Seed Ripens: Late Summer-Late Fall

Flower Type: Monoecious

Links

References

  1. Bird, R. Growing from Seed Volume 3. Thompson and Morgan, 1989.
  2. 2.0 2.1 Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 Grieve, Margaret. A Modern Herbal. Penguin, 1984.
  4. Bryan, John and Coralie Castle. Edible Ornamental Garden. Pitman Publishing, 1976.
  5. Clapham, Arthur and Tom Tootin, Edmund Warburg. Flora of the British Isles. Cambridge University Press, 1962.
  6. Polunin, Oleg. Flowers of the Mediterranean. Hogarth Press, 1987.
  7. Tanaka, Tyōzaburō. Tanaka's Cyclopaedia of Edible Plants of the World. Keigaku Publishing, 1976.
  8. 8.0 8.1 Kunkel, Günther. Plants for Human Consumption. Koeltz Scientific Books, 1984.
  9. 9.0 9.1 Facciola, Stephen. Cornucopia - A Source Book of Edible Plants. Kampong Publications, 1990.
  10. Les Ecologistes de l'Euzière. Les Salades Sauvages. 1994.
  11. Read, Bernard. Famine Foods Listed in the Chiu Huang Pen Ts'ao. Taipei Southern Materials Centre, 1977.
  12. Usher, George. A Dictionary of Plants Used by Man. Constable, 1974.
  13. 13.0 13.1 Chopra, R. Glossary of Indian Medicinal Plants. Council of Scientific and Industrial Research, New Delhi, 1986.
  14. 14.0 14.1 14.2 14.3 Chevallier, Andrew. The Encyclopedia of Medicinal Plants. Dorling Kindersley, 1996.
  15. 15.0 15.1 Chiej, Roberto. Encyclopaedia of Medicinal Plants. MacDonald, 1984.
  16. Launert, Edmund. Edible and Medicinal Plants. Hamlyn, 1981.
  17. Lust, John. The Herb Book. Bantam Books, 1983.
  18. Uphof, Johannes. Dictionary of Economic Plants. Weinheim, 1959.
  19. Mills, Simon. The Dictionary of Modern Herbalism.
  20. 20.0 20.1 Allardice, Pamela. A-Z of Companion Planting. Cassell Publishers, 1993.
  21. 21.0 21.1 Castro, Miranda. The Complete Homeopathy Handbook. Macmillan, 1990.