9 Best Fertilizer For Pine Trees 2025 in the United States

Miracle-Gro Water Soluble All Purpose Plant Food is a versatile fertilizer that can be used for a variety of plants including pine trees. One of its primary strengths is its nutrient ratio (N-P-K) which promotes robust growth and quick, beautiful results. This water-soluble formula starts working instantly and can be applied using a garden feeder or a watering can, making it convenient for both indoor and outdoor use.

The 10 lb container is quite economical as it can cover approximately 4,000 sq. ft. of garden area. The form of fertilizer, available as granules or powder, makes it easy to mix and apply. The one-size-fits-all approach might not be perfect for pine trees which sometimes require specific nutrient ratios and soil pH levels to thrive. Users might need to supplement it with additional micronutrients to ensure optimal health for their pine trees.

The Osmocote Smart-Release Plant Food Plus Outdoor & Indoor is a granular fertilizer that caters to a broad range of plants, including pine trees. Its nutrient delivery system, featuring 11 essential nutrients, remains effective for up to six months, making it a potentially good choice for maintaining pine trees' health. The unique resin coating on each granule ensures a steady release of nutrients, reducing the risk of 'burning' the plants, which is beneficial for beginner gardeners or those concerned about over-fertilizing.

The product is versatile, suitable for various plants and growing conditions, which could be beneficial if you're looking after a mixed garden. The 2-pound container covers up to 75 square feet, offering good coverage for the size. Its broad applicability is a strength, although ensuring the nutrient composition meets pine trees' needs might require a tailored approach.

Jobe’s Slow Release Evergreen Fertilizer Spikes are designed for pine trees and other acid-loving trees like cypress, arborvitae, and cedar. These spikes have a nutrient ratio of 11-3-4 (N-P-K), providing a balanced mix of nitrogen, phosphorus, and potassium to ensure healthy growth and development. The form of this fertilizer is granules, making application straightforward and reducing mess and waste.

They are pre-measured, eliminating the risk of over-fertilizing, and should be applied twice a year, in early spring and late fall, which is convenient for users who prefer a simple maintenance schedule. The fertilizer spikes are known for enhancing root development and promoting lush foliage and vibrant color in trees.

The spikes are designed for medium coverage, which may not be sufficient for larger trees or extensive landscapes. Jobe's Slow Release Evergreen Fertilizer Spikes are ranked well in garden fertilizers, reflecting its reliability and performance.