For this recipe, the pectin needed for the jam to set will be provided by the lemon or orange juice as well as some of the less-ripened berries.
Recipe For Dewberry Jam, Blackberry Jam

For this recipe, the pectin needed for the jam to set will be provided by the lemon or orange juice as well as some of the less-ripened berries.
Like the dewberries, the rain is a huge factor in how big and juicy the blackberries grow, so the canes in lower areas produce a bit better as they stay wetter.
We’ve been watching the blackberries come in for a few weeks now and they are finally starting to turn red.
It’s important to leave some berries on the vine to ensure a harvest next year while sharing the fruit with the animals and with others that may pass through.