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Gastrodia elata Cultivation | Propagation | General Uses Cultivation Notes: A saprophytic herb, it is without green parts and is entirely dependant upon a fungus for its nutriment[238]. This makes it very difficult to cultivate outside its native range. As well as its fungal host, it also requires a damp humus-rich soil in a sheltered woodland position[238]. The plants are very hardy, tolerating temperatures down to at least -15°c[238]. This plant is becoming increasingly rare in the wild, due to over-collection as a medicinal plant[238]. Methods of cultivating it have now been devised in China[238]. Orchids are, in general, shallow-rooting plants of well-drained low-fertility soils. Their symbiotic relationship with a fungus in the soil allows them to obtain sufficient nutrients and be able to compete successfully with other plants. They are very sensitive to the addition of fertilizers or fungicides since these can harm the symbiotic fungus and thus kill the orchid[230]. For further Gastrodia elata gardening information |
