You are sooo damned lucky!!! I have wanted to grown paan and pepper vine so bad but they cant bear our scroching hot weather....Pepper corn( Piper nigrum ) or black pepper plant, its a vine (creeper) that can be grown easily from cutting, one can find the plant gives root at every leaf node. peppercorn are hot but its aroma and flavor can magically change cuisine. Greatly improve soup, stir fries and meat based cuisine (freshly grounded is better).
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I recently collected cutting, best time to plant, is at the beginning of rainy season. I used a roll of fence wire mesh as support, but it does best under shade of big tree.
Lovely plants you have..... but your curry plants look different than what we have.