Q.Bittersweet does not have berries this year
Every year I have had berries on my Bittersweet vines, but this year there isn’t any berries. Is there a problem with my vines?
Downtoearthdigs
Answered on October 12, 2015
It is possible for part of a Bittersweet vine to die off leaving only a female or male left.
You need both in order to have berries.
I would fertilize in the spring by giving the plant a boost of Phosphorous to promote the berries. Bone Meal is a good way to do this.
Here are some links to help you.
https://www.gardeningknowhow.com/ornamental/vines/bittersweet/growing-bittersweet-vines.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/bone-meal-fertilizer.htm
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