Wisteria not flowering

Bronagh Walsh asked 7 years ago

My wisteria grows beautifully and looks very heathy and green but very few flowers appear.it is on a south-facing wall on the back of the house.Any ideas what I can do?

1 Answers

Gerry Daly Staff answered 4 years ago
Wisteria tends to be very leafy if the soil is rich and it flowers best in slightly dry, somewaht poor soil.

Pruning should take place in July/August shortening all whippy shoots to finger length, and winter pruning should just be tidying up.

Apply some potash fertiliser over the root area in March for 3 years. It will help to encourage flowers and will do other plants no harm. 

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