Wild Yam, Japanese (Dioscorea japonica), packet of 3 aerial tubers (mukago), organic

$5.95

TUBERS  ship starting September.  If you order TUBERS before that time, they will be backordered and shipped when ready.  We ship tubers inside the US only.

Family:  Yam (Dioscoreaceae)

Hardy to Zones 7 to 12

(Yamaimo, Japanese Wild Yam, Glutinous Yam, Japanese Cinnamon Vine)  The local name for the tubers is “mukago.”  Herbaceous perennial vine native to Japan. Vigorous plant produces highly nutritious tubers, both underground and aerial. Distinctly comely heart shaped leaves, and spring flowers that smell deliciously of cinnamon. Plant prefers full sun to part shade and rich garden soils. Does excellently in a hot, humid greenhouse and can be grown outdoors in warm garden sites in the temperate north.   I find that these germinate best when pressed into the surface of the moist medium.  This is similar to the way the plant self-sows in nature, and it is good at doing that.  The surface-sown tuber elongates down into the soil and makes fine roots, then sends up a shoot when weather permits, usually in the spring.  Provide a trellis.  Large underground tubers take 2 years to form.  Space plants 2 feet apart.

Packet of 3 aerial tubers, Certified Organically Grown

In stock

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  1. Question

    Lauren

    What the difference between the American yam and the Japanese yam?

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    • Richo Cech

      Richo Cech

      The American wild yams are woody and inedible and the japanese wild yams are soft and edible.

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  2. Question

    Tim

    Do you sell the Chinese Wild yam? It seems like you do not have them listed or may be im just looking in the wrong spot. The one Chinese wild yam that i have is currently 3 years old and it looked like it might produce aerial tubers this year but it did not produce i guess it still was not ready yet.

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  3. Question

    Tim

    can these be soaked in water before being planted or dose that not help any?

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    • Richo Cech

      Richo Cech

      I don’t know, really, I don’t think so, might rot

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  4. Question

    Tim

    Is it Advisable to plant the aerial tubers outdoors in pure compost in the fall?

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    • Richo Cech

      Richo Cech

      Sometimes this can work, because i see new seedlings under the parent plants from time to time. Generally these do best surface-sown in a gallon pot of compost left in an unheated greenhouse. r

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