This time he's been growing the pips from a Kiwano fruit.

The kiwano fruit, also known as the horned melon, melano, African horned cucumber, jelly melon, or hedged gourd, is endemic to a region in the Kalahari Desert (specific region unknown).

It was found that kiwano is resistant to several root-knot nematodes, two accessions were found to be highly resistant to Watermelon mosaic virus (WMV-1), but very sensitive to the Squash mosaic virus (SqMV).

Kiwano was reported to be resistant to Powdery mildew, however in Israel powdery mildew as well as the Squash mosaic virus (SqMV) attacked kiwano fields and measures had to be taken.

Cucumis metuliferus, horned melon or kiwano, also African horned cucumber or melon, jelly melon, hedged gourd, melano, in the southeastern United States, blowfish fruit, is an annual vine in the cucumber and melon family, Cucurbitaceae.