Commercially available pectin products work very well with haskap berries. Just follow the instructions for blueberry jam.
Try the low sugar jam made with the commercially available low sugar pectin products.
HASKAP is the Japanese name for Lonicera caerulea. It has also been known as ‘Blue Honeysuckle’, ‘Honeyberry’, ‘Edible Honeysuckle’ and ‘Sweet Berry Honeysuckle’. When translated into English, it is sometimes spelled as Hascap, Haskaap and Hasukappu.