How to Prune Southern magnolia vine?
On established plants, shorten sideshoots to three or four buds from the permanent framework; remove crowded or damaged shoots. Prune in early spring.

Southern magnolia vine · Schisandra sphenanthera
Grow in fertile, moist but well-drained soil in full sun or partial shade
On established plants, shorten sideshoots to three or four buds from the permanent framework; remove crowded or damaged shoots. Prune in early spring.