Core Endurance Granular Lawn Fertilizer

Fertilizer for long-lasting lawn health

Core Endurance is a granular fertilizer with a 65% slow-release nitrogen designed for maximum sustained growth.

Experience up to 70 days of continuous growth with reduced burn risk, thanks to our premium 23-0-3 NPK formulation. Core Endurance enhances soil health over time with sulfur-coated urea for steady nitrogen release, potassium for improved nutrient uptake, and calcium for strong blade structure. Formulated without pesticides, this fertilizer is perfect for all grass types.

A Sunday premium selection

Enriched with potent nutrients and unique soil enhancers, our premium fertilizers outperform standard options for superior, long-lasting lawn health.

Product Features:

• 23-0-3 NPK (Nitrogen-Phosphorus-Potassium) premium granular fertilizer
• Provides up to 70 days of sustained growth with reduced burn risk
• Supports healthy structure and growth
• Improves soil health over time
• Formulated without pesticides
• Suitable for all grass types
• Includes (1) 12 lbs. bag of granular fertilizer—spreader required
• Covers 4,000 sq. ft.

Ingredients:

• Sulfur-coated urea (nitrogen) for greater sustained growth
• Potassium for plant health, stress tolerance, and improved nutrient uptake
• Calcium and sulfur for blade structure and healthy growth
• Leaf compost and wood ash to add organic matter to soil

Instructions:

For best results, apply early morning or late evening to a well-hydrated lawn in the spring or fall.

1. Set your spreader to the correct setting.
2. Apply evenly across the lawn. Recommended rate is 3 lbs./1000 sq. ft.
3. Sweep up any product that gets onto sidewalks or other hardscapes back onto the lawn or into the bag.
4. Water thoroughly so the product can reach the soil.

If using other Sunday products, water in fertilizer, let your lawn dry completely, then apply other Sunday products depending on application wait time.