When it comes to bark mulch, opinions are now divided. Many gardeners swear by mulching the hydrangea with the chopped pieces of bark. Other garden lovers, on the other hand, reject bark mulch because of its strong acidifying effect and the pollutants it contains.
Bark mulch provides hydrangeas with nutrients and protects the root area
Hydrangeas like bark mulch
Deep-rooted shrubs like the hydrangea clearly benefit from the positive properties of this mulch material. Here are some tips for handling bark mulch properly:
- The soil must be completely weed-free.
- Apply a layer of mulch at least seven centimeters thick.
- Mix in horn shavings (€32.93) to ensure the hydrangea is supplied with nutrients.
- Bark mulch binds nitrogen at the beginning of its slow decomposition process, so that additional fertilizer applications may be necessary.
- Add the bark mulch layer after hoeing.
tips and tricks
Bark mulch has fallen into disrepute because some products contain a lot of cadmium. Therefore, only use certified bark mulch with a relatively low pollutant content.