I planted a wisteria plant last fall next to our pergola in order to ultimately cover the top with foliage. This summer it had grown to a 6-foot high shoot that, up until yesterday, reached almost to the top of the pergola. However, a grasshopper cut the top end of the shoot. How do I get it to sprout from that broken shoot so it continues as the main branch of the plant rather than starting with a new shoot from the base of the plant?
You won't be able to grow the cutting from there but will have to root it if you want to keep that part. This article will help with this: https://www.gardeningknowhow.com/ornamental/vines/wisteria/propagating-wisteria-cuttings.htm