How it works
These are the parts of a grapevine as growers name them. The top drawing is a vine on a trellis in summer. The bottom drawing is the same vine in winter: pruned on the left, not yet pruned on the right.
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Wood first, then green growth, then winter
Numbers 1 and 2 are the permanent wood: the trunk and a cordon. Numbers 3 to 7 grow new every year: the shoot, its leaves and petioles, a tendril and a fruit cluster. Numbers 8 and 9 are a sucker and the roots. Numbers 10 and 11 are on the winter vine: a spur and a cane. Numbers 12 to 14 are in the circle, a piece of cane enlarged: node, bud and internode.
- A cane is last summer's shoot. Once its leaves fall and it turns brown and woody, growers call it a cane.
- A spur is a cane cut short. Count the buds left on it: each can grow a shoot next season.
Questions and answers
What are the parts of a grape vine?
Roots, a trunk, and one or more cordons, the woody arms trained along a wire. From these grow green shoots, which carry the leaves, tendrils and fruit clusters. In winter the ripened shoots are called canes, and canes cut short are spurs.
What is the difference between a cane and a spur?
Both are one-year-old wood. A cane is a whole ripened shoot, long and with many buds. A spur is a cane that has been pruned back to a short stub with only a few buds.
What is a cordon on a grape vine?
A cordon is a woody arm that grows sideways from the top of the trunk and is tied along a trellis wire. It stays on the vine for many seasons, and the spurs sit along it.
What are the curly parts of a grape vine called?
Tendrils. A tendril is a thin growth on the shoot, opposite a leaf. It coils round a wire, a stake or another shoot and holds the vine up as it climbs.