Skip to main content

call Call Us Toll Free 888-546-5941

Search Natural Alternative


Search Natural Alternative

Early Spring Fertilizer 21-0-4

Application 1
20 lb. box (6,000 sq. ft.)
Early Spring Fertilizer 21-0-4 (Application 1)

Covers 6,000 sq. ft.

Fortified with Protilizer® for supercharged results.

The proper diet

Natural Alternative® Early Spring Lawn Fertilizer 21-0-4 feeds your lawn the nutrients needed to wake up after the winter season. Packed with organic nitrogen for a supercharged early boost, our organic-based Early Spring Fertilizer for lawns provides slow feeding to eliminate quick growth spurts and encourage steady turf growth. With sulfur and iron as lawn food, this fertilizer helps create a deep, green, grassy lawn.

Naturally sustainable

Early Spring Lawn Fertilizer is fortified with our all natural OMRI-listed Protilizer® Seed & Plant Activator, a 100% organic plant supplement for superior soil and root health. Protilizer® promotes more efficient water and nutrient absorption for stronger grass roots. This fertilizer is made with zero phosphorus to reduce algae in nearby streams, lakes and waterways, making it environmentally-friendly and safer for pets.

Product Information

infoApplication Instructions arrow_drop_down_circle

For Established Lawns: Apply in early spring 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 0.63 lbs. of nitrogen per 1,000 square feet.

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.

starsWrite a Review arrow_drop_down_circle

Let us know where you live ... just city and state is fine.

Get Dirty!

Sign up for our monthly newsletter, The Monthly Dirt, for timely lawn and garden tips, checklists and product recommendations.

Sign Up