10 Best Fertilizer For Arborvitae 2026 in the United States

Miracle-Gro Shake 'N Feed Flowering Trees and Shrubs Plant Food is designed to help flowering trees and shrubs thrive with enhanced green foliage and vibrant blooms. The formulation includes natural ingredients like kelp, earthworm castings, bone meal, and feather meal, which feed plants for up to 3 months. This fertilizer is suitable for in-ground gardens and container plants, specifically targeting acid-loving species.

It’s easy to apply by spreading it on the soil around the plant's base, avoiding direct contact with the trunk or leaves, and watering afterward to initiate feeding. Reapplication every 3 months is recommended for optimal results. Weighing 8 pounds, it is relatively easy to handle and comes in a practical size for multiple applications.

One of the main strengths of this fertilizer is its organic content, which can be beneficial for those looking to maintain a more natural garden. However, it may not be suitable for non-acid-loving plants, and users need to ensure it is compatible with their specific soil pH. Additionally, while it feeds for an extended period, regular reapplication is necessary to maintain plant health. This product is ideal for gardeners seeking a natural, long-lasting fertilizer for their acid-loving flowering trees and shrubs.

The BIOADVANCED 12-Month Tree and Shrub Protect and Feed is a multifunctional product designed to both nourish and protect your Arborvitae and other trees or shrubs. One of its standout features is its long-lasting protection; a single application can fend off insects like Japanese Beetles, Emerald Ash Borers, and Aphids for up to a year. This makes it very convenient for busy gardeners who prefer less frequent maintenance.

Additionally, the slow-release fertilizer helps improve the health of your plants over time, ensuring they receive a steady supply of nutrients. The product’s systemic protection ensures that each part of the plant, from roots to leaves, is safeguarded against potential threats. However, it's important to note that this product is not organic; it is a synthetic fertilizer and insecticide, which might not appeal to those looking for a natural gardening solution.

Furthermore, it cannot be used in certain states like Connecticut, Colorado, Maryland, and Vermont due to regulatory restrictions, so availability might be an issue depending on your location. Another downside might be the weight and size, as the gallon container might be cumbersome for some. For those looking for a robust, all-in-one solution to protect and feed their Arborvitae and other shrubs with minimal effort, this product is a strong candidate, provided they are comfortable using synthetic options and it is permissible in their state.

The 10-10-10 Plant Fertilizer Slow Release is a versatile option for those looking to support a wide variety of plants, including arborvitae. With its balanced NPK ratio of 10% Nitrogen, 10% Phosphorus, and 10% Potassium, this granular fertilizer is designed to provide a well-rounded nutrient supply that promotes strong roots, lush growth, and vibrant blooms. It's suitable for outdoor and indoor use, making it practical for both garden enthusiasts and those with potted plants.

One of the standout features is its slow-release formula, which can feed plants for up to 8 weeks, reducing the frequency of applications and saving time for busy gardeners. This fertilizer is synthetic, which means it may work quicker but lacks the organic composition some gardeners prefer for maintaining long-term soil health. It is also easy to apply, with fine granules that spread evenly across the soil for maximum absorption, which is beneficial for even coverage in larger garden areas.

While it is marketed as suitable for a variety of plants, including evergreens like arborvitae, understanding your soil’s pH is crucial as it does not detail specific pH compatibility. This product is best suited for users who are looking for a straightforward, all-purpose fertilizer and are comfortable with synthetic options. Those pursuing organic gardening might need to consider supplementary or alternative fertilizers.