Fertilizing Trees and Shrubs

Fertilizing trees and shrubs helps maintain healthy growth, strong roots, and better resistance to environmental stress. While most trees and shrubs are relatively low-maintenance, proper fertilization at the right time can make a noticeable difference in long-term health—especially in South-Central Kansas soils.

When to Fertilize Trees and Shrubs

For most established trees and shrubs, fertilizing twice a year is ideal.

• Spring: Apply fertilizer just as new growth begins. This supports leaf development and early-season growth.
• Fall: Fertilize after leaves have dropped. Fall feeding helps strengthen roots and prepare plants for winter.

Avoid fertilizing during extreme heat or drought stress.

Choosing the Right Fertilizer

Different trees and shrubs have different nutrient needs. A fertilizer labeled for trees and shrubs is usually the best choice, as it releases nutrients slowly and feeds roots over time.

If you’re unsure which product to use, our staff can help you select the right fertilizer based on plant type, soil conditions, and the time of year.

How to Apply Fertilizer

• Follow label directions carefully—more is not better
• Fertilizers are typically applied over the root zone out to the drip line
• Keep fertilizer a few inches away from the trunk or stems
• Water thoroughly after application to help nutrients move into the soil

Newly Planted Trees and Shrubs

Do not fertilize newly planted trees and shrubs during their first year. These plants need time to establish roots before they can benefit from added nutrients.

Once they’ve been in the ground for at least a year and are showing healthy growth, you can begin a regular fertilizing schedule.

The Bottom Line

Fertilizing trees and shrubs is a simple step that can greatly improve plant health when done correctly. With proper timing, the right fertilizer, and careful application, your landscape plants will be better equipped to grow, thrive, and handle seasonal stress.