Wisteria care

balanced 10-10-10 fertilizer

Npk

10 % nit 10% phosphorus 10% potassium

In form of oxides

Effective nitrogen is much less, nitrogen oxide weighs more than nitrogen.

10-10-10 is relatively low in nitrogen

If you want low nitrogen go for fall fertilisers

Phosphorus is good for roots

5 20 10 is a fall fertiliser

Caution: Is a bit of a weed, grows fast – will kill everything else. If you want to kill it, overfertilize with nitrogen.