Growli

Pruning guide

How to prune concord grape

Best time
Late winter or early spring while fully dormant, after the coldest weather has passed
How often
Annually
Technique
Using the four-cane Kniffin system, select four vigorous one-year-old canes (pencil-thick, well-spaced) and tie them to the trellis wires. Cut all remaining canes back to 2-bud renewal spurs. Each retained cane should carry 8–12 buds.

More concord grape care

Pruning concord grape — FAQ

When should I prune concord grape?

Late winter or early spring while fully dormant, after the coldest weather has passed. Using the four-cane Kniffin system, select four vigorous one-year-old canes (pencil-thick, well-spaced) and tie them to the trellis wires. Cut all remaining canes back to 2-bud renewal spurs. Each retained cane should carry 8–12 buds.

How often does concord grape need pruning?

Annually. Yes — Concord grape requires hard annual pruning; unpruned vines produce excessive foliage and poor fruit. Concord is typically trained on a two-wire trellis using the Kniffin system. Each winter, retain only two or four canes from the previous season and prune everything else away — grapevines fruit only on one-year-old wood.

How do you prune concord grape?

Using the four-cane Kniffin system, select four vigorous one-year-old canes (pencil-thick, well-spaced) and tie them to the trellis wires. Cut all remaining canes back to 2-bud renewal spurs. Each retained cane should carry 8–12 buds.