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Dioscorea (syn. Testudinaria - Subtropical Elephant's Foot)

Dioscorea (syn. Testudinaria) or Elephant Foot are usually herbaceous to evergreen perennial climbers with glossy, heart-shaped foliage and a showy, massive underground rootstock. The well-known Dioscorea elephantipes (formerly known as Testudine elephantipes) is native of arid regions in southern Africa. Parts of its impressive rootstock are growing above ground level and have a strongly fissured grayish brown bark which gave it the common name Elephant's Foot. Easily grown in any well drained, rather inorganic soil in full sun as long as plants are in leaf. During dormancy keep plants almost completely dry until new leaves appear.
Sow flat in any sandy, preferably inorganic soil, well drained soil at a minimum of some 20°C throughout the year. Keep seedlings only slightly moist. Carefully water in winter and keep at a minimum of some 12°C in full sun.
10 seeds per package.

You find more Dioscorea species in this category: Winter Hardy Yam Root (Dioscorea spp.).
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Dioscorea elephantipes (syn. Testudinaria elephantipes)

Dioscorea elephantipes (syn. Testudinaria elephantipes)

120cm ø, 200 (400)cm, famous Elephant's Foot make a massive rootstock with a heavily fissured bark on top from which emerge annual to semiperennial twining stems with heart shaped, glossy leaves. Very attractive, yet rarely offered species for any well drained soil in full sun. Keep completely dry during dormancy after shedding of leaves. IX-XII.

Dioscorea rupicola (Elephant's Foot)

Dioscorea rupicola (Elephant's Foot)

70cm ø, 200 (400)cm, Elephant's Foot has a large tuberous rootstock and only a single climbing stem with deciduous, cordate (heart shaped) leaves. For any well drained soil in full sun. Keep completely dry during dormancy after shedding of leaves. IX-XII.