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February 2012
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Calendula arvensis is a species of flowering plant that belongs to the daisy family.

Image of Calendula Arvensis plant at Google

Calendula arvensis is a species of flowering plant that belongs to the daisy family which is also known by the common name field marigold. This family is native to central and southern Europe.

These are the introduced species. This herb is an annual and can grow up to a height of 15 centimeters. Their leaves are lance shaped. The inflorescence is single flower head. This head is about 4cms wide. This has bright yellow to yellow-orange ray florets.

St. Hildegard of Bingen in the 11th Century dedicated the Calendula to the Virgin Mary and gave the flowers the name Mary’s Gold.
This genus is traditionally a culinary and a medical herb. They have been used in salads either fresh or dried. It is also used in coloring cheese.

Calendula extracts have properties that are:
– anti-viral,
– anti-genotoxic,
– anti-inflammatory
– anti-tumor (cytotoxic) activity
– immunomodulatory properties

It is used in:
– suspension or in tincture
– topically to treat acne
– reducing inflammation
– controlling bleeding
– soothing irritated tissue
– as cream or ointment
– treating radiation dermatitis
– abdominal cramps and constipation
– its flowers was shown to have both spasmolytic and spasmogenic effects.

Growing/Caring conditions for Calendula
– This plant needs Full sun to partial shade to grow well.
– Sow seeds 5mm (¼”) deep.
– A spacing of 15-45cm (6-18″) should be there between plants.
– The plant grows well in Zone: 2-10.
– They are an annual in most places.
– Direct sow in early spring or Sow the seed in early summer.
– Put them right into the soil in your garden.
– One can also start them in seed trays.
– It is an easy way to start them and then transplant them.
– Put one or two of them in each tray.
– Fill the trays about two thirds full first.
– Once you have got them in the tray just barely cover them up about a half an inch.
– Then when you water them in mist them.
– Don’t use heavy pressure as it will just force the seeds back out.
– You can put a little cloth or piece of wet sheet on top.
– The water will just drip down or mist it.
– They will come up in the summer time very quickly within two weeks.
– They will bloom through the fall.
– Save the seeds in the fall.
– Then restart them again in the Spring.
– Transplant the seedlings in April.
– While starting indoors, one should maintain darkness and a soil temperature of 21°C (70°F).
– Germination occurs usually in 6-14 days.
– supply bright light to keep seedlings compact.
– Calendula thrives in a pH range of 5.5-7.0.
– Pinch back young plants to encourage bushy growth.
– Occasional feeding is rewarded.
– Keep plants watered.
– Avoid overhead watering as plants are susceptible to mildew.
– Deadhead regularly to prevent self-sowing.

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