Leyland Cypress trees thrive best when provided with appropriate, nutrient-rich fertilizers designed specifically for evergreens. Choosing the right fertilizer can enhance growth, maintain vibrant green foliage, and strengthen root systems. This guide reviews the top fertilizers suited for Leyland Cypress to help keep your cypress trees healthy throughout the year.
| Product | Type | Nutrient Focus | Application Method | Duration |
|---|---|---|---|---|
| TPS NUTRIENTS Arborvitae Tree Fertilizer | Liquid | Nitrogen & Potassium | Mixed with Water & Watered | Regular application |
| SimplyGro Fertilizer Spikes | Spike | 12-3-3 (N-P-K) | Soil Spike Inserted | Up to 3 months |
| Miracle-Gro Tree and Shrub Spikes | Spike | Balanced Slow-Release | Soil Spike Inserted | Slow release |
| Evergreen Fertilizer by Perfect Plants | Granules | Balanced with Micronutrients | Top Dressing Granules | 2-3 months |
| BioAdvanced 12 Month Protect and Feed | Granules | Slow-Release Fertilizer + Insect Control | Spread on Soil | Up to 12 months |
TPS NUTRIENTS Arborvitae Tree Fertilizer for Evergreen Shrubs

The TPS NUTRIENTS Arborvitae Tree Fertilizer is a 32 oz liquid plant food formulated specifically for arborvitae and similar evergreens such as Thuja trees. It provides nitrogen and potassium, essential for lush foliage and robust root systems. Mixing instructions are simple, with 2 tablespoons per gallon of water applied during regular watering routines. This fertlizer is ideal for various arborvitae types including Green Giant and Emerald Green varieties, offering reliable nutrient support for healthy growth in diverse environments.
SimplyGro Fertilizer Spikes for Evergreen Trees & Shrubs

SimplyGro Fertilizer Spikes are designed to deliver nutrients directly to evergreen roots through a slow-release spike system. Their 12-3-3 NPK formula built for conifers supports leaf, needle, bloom, and seed production. Each spike lasts up to three months, making it convenient for biannual application, especially in spring and fall. The spikes minimize nutrient runoff and overfeeding risks while continuously nourishing trees like Leyland Cypress for vibrant growth.
Miracle-Gro Tree and Shrub Plant Food Spikes

The Miracle-Gro Tree and Shrub Spikes deliver slow-release nutrients targeted at the root zone, enhancing foliage color and overall plant health. Suitable for evergreen and flowering trees, these spikes stimulate vigorous growth in Leyland Cypress and acid-loving plants. Easy to use with no mess and lasting gradual nutrient release, these spikes improve soil nourishment to support thriving outdoor trees and shrubs.
Evergreen Fertilizer by Perfect Plants Slow Release Granules

Perfect Plants Evergreen Fertilizer offers a balanced slow-release granular formula enriched with important micronutrients such as calcium, boron, iron, and zinc. These granules foster deep root development and maintain vibrant year-round color. Unlike liquids, these granules dissolve gradually with watering for continuous feeding lasting 2 to 3 months. Ideal as a top dressing around Leyland Cypress and other evergreens, this product simplifies consistent nutrient delivery.
BioAdvanced 12 Month Tree and Shrub Protect and Feed

BioAdvanced Protect and Feed combines fertilization with insect protection for full tree care in one product. This slow-release formula lasts up to 12 months and nourishes trees and shrubs down to the roots while combating common insect pests. This systemic effect ensures both improved health and pest deterrence for outdoor trees, including Leyland Cypress. Its long duration reduces application frequency.
Buying Guide for Fertilizers for Leyland Cypress
Choosing the right fertilizer for Leyland Cypress requires consideration of several factors. Here are key points to guide your purchase:
Nutrient Composition
- Nitrogen (N): Supports vibrant green foliage and overall growth. High nitrogen is essential for evergreens.
- Phosphorus (P): Encourages strong root development and aids in flower and seed production.
- Potassium (K): Enhances disease resistance and overall plant health.
- Micronutrients: Elements like iron, calcium, boron, and zinc support specific growth needs and vibrant color.
Application Method
- Liquid Fertilizers: Quickly absorbed but require regular application and proper mixing.
- Granular Fertilizers: Slow-release form, often top-dressed or spread, feeding plants over months.
- Fertilizer Spikes: Convenient and targeted nutrient delivery directly to the root zone with minimal mess.
Duration and Frequency
Consider how long the fertilizer feeds the plant. Fertilizer spikes and slow-release granules often last several months, reducing the need for frequent applications. Liquid fertilizers generally require more regular use.
Additional Benefits
- Insect Protection: Some fertilizers, like BioAdvanced, include pest control, adding value to the product.
- Environmental Impact: Pre-measured spikes reduce risk of runoff and over-fertilization.
- Compatibility: Ensure the product suits Leyland Cypress and similar evergreen species.
Plant Health Goals
Define whether you want to focus on root development, foliage color, or pest resistance when selecting a fertilizer, as formulations prioritize different benefits.