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5 Fertilizer-Related Tree Care Myths

If Tree Care is a primary homeowner concern, the trees’ nutritional and pest prevention needs should be addressed. Where tree care is concerned, there is a substantial amount of misinformation, and many of these misconceptions appeared for various reasons. The myths on this short list are some of those most commonly heard by Timberline Tree Service.

Trees Don’t Need Fertilizer

When a tree grows in a non-native location such as an urban environment, it uses the nutrients that are already in the soil, which can create deficiencies in some cases. Fertilizer replaces what’s missing or absorbed by the tree, and it compensates for the lack of natural nutrition in the soil. Trees have a hard enough time growing naturally, and they need even more help when placed in an urban landscape setting.

Fertilizer Improves the Color of Trees

Multiple factors determine the color of plants in a home’s landscape. Poor color may be a result of soil pH, plant disease, insect infestation, excessive or inadequate moisture, insufficient sunlight, and other factors.

Fertilizer is Like Vitamins for Trees

As great as it is, fertilizer isn’t like a magic tonic for trees; it merely replaces what’s taken from the soil. If the soil has all the nutrients the trees need, along with the proper pH, moisture, and lighting levels, trees will likely thrive. Fertilizer isn’t meant as a substitute for disease and pest treatments. In fact, some Tree Care problems can be made worse through fertilization.

Trees Always Need Deep Root Fertilization

If a young tree is in a bed of mulch, multiple forms of fertilizer may be used. However, when they grow and spread, homeowners should consider liquid injection fertilizers. Here, the materials are delivered below the lawn’s roots, directly to the roots of the tree where they are needed most.

Synthetic Fertilizer is Worse Than Organic

Plants can only utilize nitrogen in its nitrate form, and organic fertilizers require soil microorganisms to convert nitrogen to nitrate. A synthetic fertilizer can provide ready-to-use nitrate, where good soil will convert nitrogen at a slower rate. Here, one type of fertilizer isn’t necessarily better than another.

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