10 Best Fertilizer For Trees And Shrubs 2026 in the United States

Miracle-Gro Shake 'N Feed Flowering Trees and Shrubs is designed to support the growth and blooming of flowering trees, shrubs, and acid-loving plants both in the ground and in containers. It’s a slow-release fertilizer that feeds plants for up to three months, which means less frequent applications. The formula includes natural ingredients such as kelp, earthworm castings, bone meal, and feather meal, giving it an organic feel despite being sold by a major brand. This mix provides essential nutrients and micronutrients your plants need to stay healthy and vibrant.

You apply it by shaking the granules evenly around the base of the plant, avoiding contact with stems and leaves, then watering to activate the nutrients. The product is well-rated, showing that many users find it effective. It’s best suited for gardeners looking for a medium-coverage, easy-to-use option that supports flowering and acid-loving plants without needing monthly feeding. One small downside is that it requires reapplication every three months, so if you prefer less frequent feeding, you might need to look elsewhere.

This product offers a convenient way to keep flowering trees and shrubs healthy, especially for those who prefer a fertilizer with organic components.

Miracle-Gro Shake 'N Feed Palm Plant Food is designed specifically for palms, cycads, and tropical plants, making it a great choice if you want to keep these types healthy and vibrant. It has an N-P-K ratio of 8-2-12, which means it has a good amount of nitrogen and potassium for strong growth and root development, but less phosphorus. This ratio suits palms well, which typically don’t need a lot of phosphorus. The fertilizer is synthetic and comes in a powder form you shake onto the soil around your plants, then water in. It also includes important micronutrients like magnesium, iron, and manganese, which help prevent yellowing and curling of fronds—a common issue with palms. One big plus is its long feeding time: it feeds plants for up to three months, reducing how often you need to apply it.

It's also versatile enough for indoor and outdoor use and works on both in-ground and container plants. On the downside, since it’s synthetic, it doesn’t improve soil health like organic fertilizers do, and some gardeners prefer organic options for that reason. Also, while it’s great for palms and similar plants, it might not be the best fit for other types of trees or shrubs that need different nutrient balances. The application is straightforward, but it requires regular watering after applying to activate the nutrients.

This fertilizer is a solid pick if you’re focused on tropical plants and palms, especially if you want something easy to use and that feeds for a long time, though it may not meet the needs of all tree or shrub varieties or those seeking organic options.

The Miracle-Gro Shake 'N Feed All Purpose Plant Food Plus Weed Preventer is a synthetic granular fertilizer with an even 10-10-10 N-P-K ratio, providing balanced nitrogen, phosphorus, and potassium to support plant health. It is suitable for a wide variety of trees, shrubs, flowers, and vegetables. One key benefit is its dual function: it feeds plants and prevents common weeds like crabgrass and chickweed for up to three months, helping reduce garden maintenance.

The product is easy to apply by shaking the granules onto the soil and lightly watering them in, making it user-friendly for beginners. It’s best applied early in the growing season before weeds appear. Since it is synthetic rather than organic, it may not fit those who prefer all-natural gardening products. The coverage is about 135 square feet per 4.5-pound container, which is reasonable for small to medium garden areas but might require more frequent purchases for larger spaces.

This product is effective for gardeners seeking a simple, balanced fertilizer combined with weed prevention for in-ground garden beds during typical growing seasons, though it may not satisfy those looking for organic options or specialized micronutrient blends.