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How to summer-prune wisteria

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
At its best
At its best

Plant is not at its best in January

Plant is not at its best in February

Plant is not at its best in March

Plant is at its best in April

Plant is at its best in May

Plant is not at its best in June

Plant is not at its best in July

Plant is not at its best in August

Plant is not at its best in September

Plant is not at its best in October

Plant is not at its best in November

Plant is not at its best in December

To do
To do

Do not To do in January

Do not To do in February

Do not To do in March

Do not To do in April

Do not To do in May

Do To do in June

Do To do in July

Do To do in August

Do not To do in September

Do not To do in October

Do not To do in November

Do not To do in December

Summer pruning wisteria encourages the development of short-flowering spurs that will carry the long racemes of bloom in spring. The long vigorous shoots are cut back to a couple of buds from the base of the current season’s growth. During initial training of young wisteria plants, select a few strong shoots to tie into wires or trellis. Once you have created these, you can prune any sideshoots back to this framework.

You will need

  • Wisteria plant
  • Secateurs
  • String for tying-in if necessary
  • Ladder if necessary
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Total time:

Step 1

Use secateurs to cut back all the long shoots that have been produced during the late spring and early summer. Make the cut just beyond the second or third bud from the base.

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Green, leafy summer prunings from wisteria can be added to the compost heap where they’ll rot down quickly.