The hardy wisteria has a fairly high nutrient requirement. In view of its vigorous growth and its abundance of flowers over several weeks, this is actually no wonder. A regular supply of high-quality fertilizer is therefore recommended.

Especially young wisteria are happy about additional nutrients

Do I have to fertilize Wisteria all year round?

In winter, like most other plants, your wisteria does not need fertilizer. It is best to stop fertilizing after the second flowering in late summer. After all, the plant no longer has to sprout. Do not start fertilizing again until next spring, some time before flowering.

Which fertilizer is best for wisteria?

Before you reach for fertilizer, you should know what the wisteria needs. In addition to a good supply of nutrients, a location with plenty of light is also part of it. If you use a special long-term fertilizer, then stick to the package leaflet with the dosage. It does not have to be administered as frequently as a commercial liquid fertilizer.

Be sure to pay attention to the nitrogen content of the fertilizer used. It should be as low as possible. Well-rotted compost is ideal for fertilizing a wisteria, which you apply in a thin layer or carefully work into the soil. However, you should be careful with stable manure, because chicken manure contains too much nitrogen. This allows your wisteria to grow quickly and develop many leaves, but the flower often fails to appear.

Does my wisteria sometimes need special fertilizer?

You can add a little bit of lime to the planting pit when planting. This way it will take root faster. Do not add any more lime later, it could do more harm than good. To encourage your Wisteria to flower, you can give it some superphosphate once in April.

The essentials in brief:

  • ideal fertilizer: mature compost
  • Chicken manure contains too much nitrogen
  • Only use finished fertilizers with a low nitrogen content

tips

If your wisteria isn't blooming, it could be because of the wrong fertilizer. Try a variety with less nitrogen.

Category:

Trees