Q.Jasmine die back
Can Epsom salt be used on Jasmine?

My research found many reports of success with Epsom Salts fertilizer encouraging good growth and lots of flowers.
A formulation is 3 to 5 grams of Epsom Salt dissolved into 1 Liter of water.
Repeat every 2 weeks during active growth.
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/epsom-salt-gardening.htm
https://www.gardeningknowhow.com/ornamental/flowers/jasmine/how-to-fertilize-jasmine.htm