Espoma Azalea-Tone Plant Food is specially formulated to nourish azaleas and rhododendrons with the balanced nutrition they need for healthy foliage and vibrant blooms. This slow-release fertilizer delivers essential nutrients over an extended period, ensuring consistent feeding without frequent applications.
The 4-3-4 formula contains Bio-Tone, Espoma’s proprietary blend of beneficial microbes that biologically enhance nutrient uptake and promote superior plant growth. The convenient no-mix formula requires no special preparation—simply apply as directed and let the slow-release action do the work for you.
Features and Benefits
- Bio-Tone Microbes: Espoma’s proprietary blend of beneficial microorganisms biologically enhances the natural plant food to ensure superior plant growth.
- Slow-Release Formula: Long-lasting action keeps azaleas and rhododendrons well-fed for months with a steady nutrient supply.
- Balanced 4-3-4 NPK: Formulated to provide the right ratio of nitrogen, phosphorus, and potassium for azaleas and rhododendrons.
- No-Mix Convenience: Ready-to-use granular formula saves time and effort—no dissolving or measuring required.
- Domestic Manufacturing: Produced in the United States for consistent quality and reliability.
Specifications
- Brand: Espoma
- Model: AT18
- Weight: 18 lbs.
- NPK Formula: 4-3-4
- Type: Slow-release plant food
- Contains: Bio-Tone beneficial microbes
- Application: Azaleas and rhododendrons








