Essential Fertilization Guide for Emerald Green Arborvitae in Chicago and Milwaukee

Homeowners in the Chicago and Milwaukee areas, are you looking to ensure the health and vibrancy of your Emerald Green Arborvitae? Understanding the right fertilization techniques is key. In this guide, we'll delve into the specifics of fertilizing these evergreen wonders, ensuring they not only survive but thrive in our unique Midwestern climate.

The Initial Planting Stage: When planting your Emerald Green Arborvitae, the first step is to establish a strong root system. This is crucial for the tree's overall health and growth. Using a 4-10-0 Bonemeal fertilizer at the time of planting provides the necessary nutrients for robust root development. This balanced mix of nitrogen, phosphorus, and potassium offers a solid foundation for your Arborvitae, setting the stage for a thriving life ahead.

Understanding Fertilizer Numbers: The numbers on a fertilizer package, like 10-10-10, represent the proportions of nitrogen (N), phosphorus (P), and potassium (K), respectively. These are the primary nutrients required for plant growth. Nitrogen is key for foliage growth, phosphorus for root development, and potassium for overall plant health.

Annual Fertilization: Come the following spring, and each year after, switch to a granular fertilizer with a high first number, indicating a higher nitrogen content. This is particularly important for Emerald Green Arborvitae, as nitrogen is the element that enhances the tree’s rich green color and supports its growth. In the Chicago and Milwaukee areas, where our seasons are distinct, this annual boost is essential for maintaining the health and vibrancy of the trees.

Application Tips: Apply the granular fertilizer around the base of the tree, following the manufacturer's instructions. It’s crucial to water the tree thoroughly after applying the fertilizer. This not only helps in dissolving the granules for easier uptake by the roots but also prevents root burn – a common issue when fertilizers heat up the soil.

Watering Post-Fertilization: Regular and adequate watering post-fertilization is vital. Fertilizers, especially those high in nitrogen, can increase the soil's temperature, which, in turn, stresses the tree's roots. By ensuring the soil stays moist, you protect the tree from potential damage and facilitate better nutrient absorption.

Monitoring Tree Health: After fertilization, keep an eye on your Arborvitae's growth and color. A healthy, well-fertilized Emerald Green Arborvitae should exhibit vibrant green foliage and steady growth. If the tree appears lackluster or the growth seems stunted, it might be a sign to adjust your fertilization routine.

Fertilizing your Emerald Green Arborvitae correctly is essential for its growth and beauty, especially in the Chicago and Milwaukee regions. By starting with a balanced Bonemeal and then annually applying a nitrogen-rich granular fertilizer, you’ll ensure that your Arborvitae remains a lush, green, and thriving component of your garden landscape. Remember, regular watering after fertilization is just as crucial as the fertilization itself. With these tips, your Arborvitae will not only survive but flourish, adding beauty and privacy to your outdoor spaces.

Back to blog