Bignonia and Wisteria

We live in France, south of Bergerac. I planted a Bignonia last year, and it looks very healthy but does not flower and it is a rampant climber. I also have a Wisteria which has made good growth. It was here when we bought the house. This doesn’t flower either. The previous owners said it was at least 5 years old. I bought another 2 wisterias last year and both are flowering very well. I cannot understand it.

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1 Comment To "Bignonia and Wisteria"

#1 Comment By Downtoearthdigs On 09/18/2015 @ 1:02 am

You likely have to much Nitrogen in the soil.
You can add Phosphorous with a Bone Meal fertilizer.

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/too-much-nitrogen-soil.htm ^[1]

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