| Latin Name: | Adiantum capillus-veneris |
| Common Name: | Maidenhair fern |
| Family: | Polypodiaceae |
| Synonyms: | |
| Known Hazards: | Although we have found no reports of toxicity for this species, a number of ferns contain carcinogens so some caution is advisable[200].
Many ferns also contain thiaminase, an enzyme that robs the body of its vitamin B complex. In small quantities this enzyme will do no harm to people eating an adequate diet that is rich in vitamin B, though large quantities can cause severe health problems. The enzyme is destroyed by heat or thorough drying, so cooking the plant will remove the thiaminase[172]. |
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Author: L.
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| Habit: A Slow Growing Fern |
| Habitat: Rock crevices, cliffs by the sea on basic rocks in damp positions[9, 17]. |
| Height: 0.3 Width: 0.3 |
Cultivation Details:
Requires an abundance of moisture in the air and in the soil[4], though the soil should be well-drained[238]. Likes a position with plenty of light but dislikes full sun[1]. Prefers a sheltered shady position[238]. If the plant dries out temporarilly it will lose most of its fronds, though it will usually resprout from the base[238].
Plants are not very hardy outdoors in Britain, even though they are a native species[K]. They only succeed in areas with little or no frosts, growing well on maritime cliffs in the milder areas of the country[K].
Members of this genus are rarely if ever troubled by browsing deer[233].
A very ornamental plant[1].
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Propagation Notes:
Spores - best sown as soon as ripe on the surface of a humus-rich sterilized soil. Keep the compost moist, preferably by putting a plastic bag over the pot. Germination should take place within 6 weeks[238]. Pot on small clumps of plantlets as soon as they are large enough to handle and keep humid until they are well established. Do not plant outside until the ferns are at least 2 years old and then only in a very well sheltered position.
Division in spring or autumn. Best carried out in early spring[238].
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