How to fertilize your trees the right way

Giving trees the right nutrients is very important for keeping them healthy and making sure they grow big and strong. But loads of people mess up when they fertilize their trees, which can be a big waste and even hurt the tree. This guide is all about getting it right so your trees get what they need without any problems.

Understanding Tree Root Systems

Before diving into fertilization methods, it's crucial to understand how a tree's roots work. Contrary to popular belief, most of a tree's roots, including the important root hairs, don't just sit around the base of the trunk. Instead, they spread out beneath the canopy, often reaching beyond where rain drips off the leaves. These roots are key for soaking up nutrients.

Do I need to fertilize?

Start by testing the soil to see if your tree is missing specific nutrients. This will help you pick the right fertilizer.

Look out for signs that your tree might need a nutrient boost, like leaves changing color, slow growth, or dropping leaves too soon.

Which Fertilzer do I use?

Go for a slow-release fertilizer in granular form that matches what your soil test suggests your tree needs.

It's usually best to use a balanced mix of nitrogen, phosphorus, and potassium (N-P-K), unless your soil test says otherwise.

How do I fertilize?

Put the fertilizer where the most active roots are, usually under the canopy and just beyond where the rain falls off the leaves. Avoid dumping it right by the trunk.

Spread the fertilizer evenly over the soil within the root zone.

If you want the nutrients to go deeper, make shallow holes (4-6 inches deep) around the edge of where the rain falls and put the fertilizer in there.

Once you've put down the fertilizer, water the area well so the nutrients sink down into the soil where the roots can get them. But make sure you don't leave water sitting around the tree trunk.

To stop the roots from rotting, make sure water drains away from the tree properly, especially if you've been watering a lot.

Stop water from getting directly on the tree trunk by using something like mulch or a barrier of soil.

In dry weather, water often but not too much at once to avoid flooding the roots.

Adding hydrogen peroxide to your watering can help oxygen levels in the soil and keep the roots healthy.

Getting tree fertilization right isn't just about giving the tree nutrients. It's about doing it in a way that really helps the tree grow strong and healthy. By understanding how tree roots work, picking the right fertilizer, and putting it down properly, you can create an environment where your trees thrive. Remember, the goal is to work with nature, helping the tree grow naturally and stay healthy in the long run.

Feeling overwhelmed? never fear, GBG is here. Get in touch to revitalize your garden before winter comes around.