Winter Fertilizer 20-0-4
Covers 6,000 sq. ft.
The proper diet for winter lawns
While most lawns slumber throughout the colder winter months, turf is still alive and requires nutrients to grow back strong in the coming spring. Feed grass roots throughout the winter weather with our all-natural, organic-based Natural Alternative® Winter Fertilizer 20-0-4 - application 5 of the five-part Natural Alternative® Lawn Care System. With 100% organic nitrogen, this winter lawn fertilizer ensures your turf is ready to grow when spring temperatures arrive.
Key Features
Organic Nitrogen Formula: Slow-release nitrogen for steady, healthy turf growth without rapid spurts.
Fortified with Protilizer®: Enhances soil and root health for efficient water and nutrient absorption.
Eco-Friendly & Pet-Safe: Zero phosphorus to protect nearby waterways and ensure safety for pets.
Rich in Sulfur and Iron: Promotes a deep, lush green color in your spring lawn.
Ease of Use
Easy Application: Spread evenly across your lawn using a handheld or push spreader.
Best Time to Apply: Ideal for late fall application. Check your local regulations for fertilizer application dates. In most areas, November 15th is the last day permitted to apply lawn fertilizer.
Coverage: One 20 lb. box covers up to 6,000 sq. ft., perfect for small to medium-sized lawns.
Naturally sustainable
Winter Fertilizer 20-0-4 is phosphorus-free to promote clean rivers, lakes, bays and wetlands. With all-natural and organic ingredients, Natural Alternative® fertilizer is the more sustainable way to grow a thicker, greener lawn all year round.
How & Why You Should Test Your Soil
Product Information
Application Instructions
For Established Lawns: Apply in late fall at a rate of 3 lbs. of product per 1,000 square feet. Apply evenly with a calibrated spreader. 3 lbs. of this product per 1,000 square feet is equivalent to 0.60 lbs. of nitrogen per 1,000 square feet. Check your local regulations for fertilizer application dates. In most areas, November 15th is the last day permitted to apply lawn fertilizer.
For Newly Seeded Lawns: Rake fertilizer into the upper inch of the soil before seeding. Water until the seed germinates and establishes. Continue with the remaining Natural Alternative® 5-Part Lawn Care System.
Download our spreader settings sheet to find proper settings for your spreader.
Write a Review
Get Dirty!
Sign up for our monthly newsletter, The Monthly Dirt, for timely lawn and garden tips, checklists and product recommendations.
Read More Know + Grow
- Benefits of Core Aeration, Seeding, and Fertilizing Your Lawn
- Don't neglect your lawn during the colder months.
- Creating a safe yard for your pets.
Read Our Product Testimonials
I have the best looking lawn in the neighborhood, three years running.
Best fertilizer I have used.
After using your fertilizer and with irrigation the lawn is healthier and maintaining it is much easier.