20% off plans + free soil test!

Code: SOIL20

Sunbelt Nutrients Liquid Lawn Fertilizer (42.3 fl oz)

One pouch covers up to 5,000 sq ft

LAWN PLAN EXCLUSIVE

Sunbelt Nutrients Liquid Lawn Fertilizer

Targeted for warmer climates.

28-0-3 liquid fertilizer with nitrogen, potassium, and seaweed extract. High nitrogen for extended growing seasons, seaweed for heat stress tolerance.

sunday-guarantee-badge

We're committed to making sure Sunday works for you and your home. Need a replacement? Or help troubleshooting an issue? Our experts are here for you. Learn more

Related products

LAWN PLAN EXCLUSIVE

Sunbelt Nutrients Liquid Lawn Fertilizer

High nitrogen plus seaweed for hot climates

Sunbelt Nutrients delivers 28-0-3 for lawns with long growing seasons. High nitrogen keeps up with aggressive summer growth. Seaweed extract supports heat tolerance when temps spike. The 5.6% slow-release feeds steadily instead of burning out in summer heat.

Works on warm-season and cool-season grasses in hot, sunbelt states.

The good stuff inside

  • 28-0-3 NPK High nitrogen for long growing seasons
  • High nitrogen 28-0-3 NPK Keeps up with long southern growing seasons
  • 5.6% slow-release nitrogen Feeds steadily through summer heat
  • Seaweed extract Supports heat tolerance and stress recovery
  • Potassium Deep rooting and water management
  • Zero pesticide fertilizer—everything you need, nothing you don't
  • Universally loved by climates and grasses

How to use

Apply when grass is actively growing. Soil temps above 65°F for warm-season, 55°F for cool-season.

1. Apply early morning or evening to a well-hydrated lawn.

2. Connect sprayer to hose and pouch.

3. Spray evenly until pouch is empty (about 10-15 minutes).

4. Let dry completely before walking on lawn.

5. Reapply every 4-6 weeks during active growth.

What are the Sunbelt states in the United States?

The Sunbelt stretches across the southern tier of the country: Florida, Georgia, South Carolina, Alabama, Mississippi, Louisiana, Texas, New Mexico, Arizona, Nevada, and Southern California. These states share long growing seasons, intense summer heat, and warm-season grasses that stay active when northern lawns go dormant.

Why do Sunbelt lawns need special nutrients?

Longer growing seasons mean grass works overtime and burns through nutrients faster. Intense heat causes standard fertilizers to volatilize before grass absorbs them. Sunbelt Nutrients uses slow-release nitrogen that stays stable in high temps, plus seaweed for heat stress tolerance. Northern formulas spike and fade. This one keeps up.

Should I water my lawn after applying Sunbelt Nutrients?

Wait 24 hours before watering. The fertilizer needs time to dry and absorb into the grass blades. If your sprinklers run automatically, skip a cycle. Light watering after 24 hours helps move nutrients into the root zone.

What is the best time of day to apply Sunbelt Nutrients?

Early morning or evening when temps are below 85°F. Avoid midday heat. The fertilizer absorbs better when grass isn't stressed by sun, and you reduce evaporation. If you must apply during warm weather, water the lawn the day before.

How long after Sunbelt Nutrients can I apply my next fertilizer?

Wait 4-6 weeks between liquid applications. If you're switching to a different product like Active Lawn or Southeast Nutrients, the same timing applies. Stacking fertilizers too close together risks burning your lawn.

What will Sunbelt Nutrients do for my soil?

The seaweed extract supports root strength and heat tolerance, which helps grass pull nutrients more efficiently from soil. The potassium improves water management in the root zone. It's feeding the grass and supporting the soil biology that keeps roots healthy.

Trending items

Sunday reusable pouch and sprayerSunday reusable pouch and sprayer

Sunday Herbicide Pouch + Sprayer

$10

Shipping box

Free Shipping!

Pet Friendly

Dog-Resistant Grass Seed Pet LawnDog-Resistant Grass Seed Pet Lawn

Pet Lawn Grass Seed

$31

starstarstarstarstar

(97)

Shipping box

Free Shipping!

Cool-Season

Bag of Sunday Fescue Rescue, a tall fescue grass seed blendBag of Sunday Fescue Rescue, a tall fescue grass seed blend

Fescue Rescue Grass Seed

$31

starstarstarstarstar

(42)

Shipping box

Free Shipping!

Motorized Wand Sprayer used for pest and weed productsMotorized Wand Sprayer used for pest and weed products

Sunday Weed & Pest Wand Sprayer

$10

Shipping box

Free Shipping!

Sunday Ant Adios pest control granulesSunday Ant Adios pest control granules

Ant Adios Insect & Ant Killer

$22

starstarstarstarstar

(298)

Shipping box

Free Shipping!

Sunday Mosquito Deleto pest control yard spraySunday Mosquito Deleto pest control yard spray

Mosquito Deleto Mosquito Spray for Yards

$27

starstarstarstarstar

(716)

Shipping box

Free Shipping!

SAVE $13

Dog-Resistant Grass Seed Pet LawnDog-Resistant Grass Seed Pet Lawn

Pet Lawn Grass Seed (2-pack)

$49 $62

starstarstarstarstar

(97)

Shipping box

Free Shipping!

Sunday Nix Ticks flea and tick control yard spraySunday Nix Ticks flea and tick control yard spray

Nix Ticks Tick Spray for Yards

$27

starstarstarstarstar

(284)

Shipping box

Free Shipping!

Bundle & Save

Spring Starter Kit includes: Dandelion Doom Herbicide Concentrate Refill, Iron Boost, Motorized Wand Sprayer, NEW Replacement Sprayer, Sunday Herbicide Pouch, Grass PowerhouseSpring Starter Kit includes: Dandelion Doom Herbicide Concentrate Refill, Iron Boost, Motorized Wand Sprayer, NEW Replacement Sprayer, Sunday Herbicide Pouch, Grass Powerhouse

Spring Starter Kit

$69 $77

starstarstarstarstar

(12)

Shipping box

Free Shipping!

Green Lawn Fertilizer Hose SprayerGreen Lawn Fertilizer Hose Sprayer

Replacement Lawn Sprayers (2-Pack)

$5

Shipping box

Free Shipping!

Sunday liquid lawn fertilizer pouches side by side on a lawn

Liquid Lawn Fertilizer Instructions

Healthy soil grows healthy grass. Sunday's liquid fertilizers deliver nutrients fast, right when your lawn needs it. Here's how to put them to work.

Read article

Customer reviews

We’re looking for stars!
Let us know what you think