Can You Feed Mature Trees

Old trees. Established trees don’t usually need feeding, but if new shoots are sluggish (less than 10cm over the growing season) or the foliage paler than expected, then you might want to consider an application. Once the tree is mature, growth will slow down, so feed is only recommended to remedy nutrient deficiency.

Should you fertilize trees every year?

Ideally, growing trees should be fertilized throughout the year but a bit differently as trees age. A tree needs larger amounts of nitrogen (N) based fertilizer during the growing season. Nitrogen-based solutions should be applied during the early spring and summer months.

Does lawn fertilizer help trees?

The objective of fertilization is to put the nutrients where they will best be taken up by the tree’s roots. Therefore, it is necessary to fertilize throughout the entire root system. … Spreading granular fertilizer on the lawn might make your grass greener, but it will likely not help your tree.