Weed and Feed for Southern Lawns: Top 5 Picks

Does your Southern lawn look more like a patchy green carpet dotted with unwelcome invaders? You know the ones—those stubborn weeds that pop up no matter how much you pull them. Achieving that lush, deep green turf we all dream about in the South feels like a constant battle, especially when the heat and humidity hit. It’s tough finding a single product that both feeds your grass and wipes out the crabgrass and clover that thrive in our climate.

Choosing the wrong “Weed and Feed” can lead to wasted money, burned grass, or worse—a lawn that’s still weedy! The humidity and specific grass types in the South mean that what works up north often fails right here. You need a product designed for our unique challenges.

This guide cuts through the confusion. We will break down exactly what you need to look for in a Weed and Feed product tailored for Southern lawns. By the end, you will know the best way to stop weeds and nourish your turf for a picture-perfect yard all season long. Let’s dive into creating the envy of the neighborhood!

Top Weed And Feed For Southern Lawns Recommendations

No. 1
BioAdvanced 3-In-1 Weed and Feed for Southern Lawns - Granules - Kills & Prevents Lawn Weeds - Feeds & Strengthens Lawn - Covers 4,000 Square Feet - 10 lb Bag
  • FOR SOUTHERN LAWNS: 3-In-1 Weed and Feed is specially formulated to target types of weeds found in Southern lawns, like Bermudagrass, St. Augustinegrass and more
  • PREVENTS NEW WEEDS UP TO 6 MONTHS: One application prevents listed weeds for up to 6 months; Apply when temperatures are between 50 and 90 degrees and weeds are actively growing
  • KILLS SOUTHERN WEEDS: Kills Dandelion, Dollarweed, Clover, and other listed broadleaf weeds
  • FEEDS & GREENS: Fertilizer feeds and greens your lawn for up to 3 months to promote thicker, healthier turf; Apply granules with a broadcast or drop spreader for smooth, even coverage across established lawns
  • GET MORE FROM THE BLUE BOTTLE: From simple spot treatments to season-long protection, BioAdvanced science-based solutions make it simple to control unsightly weeds, feed your lawn, and protect against damaging diseases without harming the lawn, when used as directed
No. 2
Scotts Turf Builder Weed and Feed 3, 5,000 sq. ft.
  • Up to 2X more powerful dandelion and clover control (vs. previous formula)
  • Clears out dandelions and clover—satisfaction guaranteed
  • Weedgrip Technology grips the weeds you see—and the ones you don't
  • Scotts most powerful weed and feed
  • Feeds to thicken lawns and crowd out weeds
No. 3
BioAdvanced 3-In-1 Weed and Feed for Southern Lawns - Granules - Kills & Prevents Listed Lawn Weeds - Feeds & Strengthens Lawn - Covers 8,000 Square Feet - 20 lb Bag
  • FOR SOUTHERN LAWNS: 3-In-1 Weed and Feed is specially formulated for use on Southern lawns, including Bermudagrass (except Ormond variety) and St. Augustinegrass, to control listed weeds; Refer to the label for a complete list of weeds and turf types
  • PREVENTS NEW WEEDS UP TO 6 MONTHS: One application prevents listed weeds for up to 6 months; Apply when temperatures are between 50 and 90 degrees and weeds are small and actively growing
  • KILLS SOUTHERN WEEDS: Kills Dandelion, Dollarweed, Clover, and other listed broadleaf weeds
  • FEEDS & GREENS: Fertilizer feeds and greens your lawn to promote thicker, healthier turf; Apply granules with a broadcast or drop spreader for smooth, even coverage across established lawns
  • GET MORE FROM THE BLUE BOTTLE: From simple spot treatments to season-long protection, BioAdvanced science-based solutions make it simple to control unsightly weeds, feed your lawn, and protect against damaging diseases without harming the lawn, when used as directed
No. 4
Scotts Turf Builder Weed and Feed5 - Weed Killer Plus Lawn Fertilizer, Lawn Weed Killer, Controls Dandelion and Clover, Grass Fertilizer for Up to 4,000 sq. ft., 11.32 lb.
  • WEED AND FEED FOR LAWNS: Apply this combination weed killer for grass and lawn food to your wet lawn when weeds are actively growing and daytime temperatures are consistently between 60°F and 90°F; don't apply more than 2X per year
  • WEED KILLER PLUS LAWN FOOD: Scotts Turf Builder Weed & Feed5 weed killer plus fertilizer for grass is a clover and dandelion killer for lawns that also feeds to thicken your lawn and crowd out future weeds
  • DO NOT USE ON: Do not use this grass fertilizer for lawns plus yard weed killer on St. Augustinegrass (including Floratam), Dichondra, Lippia, Carpetgrass, and Bentgrass lawns
  • USE ON LISTED GRASS TYPES: Apply this lawn care product to Bahiagrass, Bermudagrass, Bluegrass, Centipedegrass, Fescue, Ryegrass, and Zoysiagrass
  • WEED CONTROL FOR LAWNS: These Scotts weed killer plus lawn fertilizer granules control over 50 listed lawn weeds, including clover, dandelion, plantain, morningglory, chicory, eveningprimrose, and purslane
No. 5
BioAdvanced 3-in-1 Weed & Feed for Southern Lawns Plus Insect Killer, 10lb, Granules
  • SOUTHERN LAWNS: Formulated to work on major southern lawn types – Bermudagrass, St Augustinegrass (including Floratam), Centipedegrass and Zoysiagrass
  • 6-MONTH PROTECTION: Prevents broadleaf, grassy weeds, and crabgrass for up to 6 months
  • WEED KILLER: Kills weeds including Dandelion, Dollarweed, and Clover
  • LAWN FERTILIZER: Feeds, greens, and strengthens your lawn
  • INSECT KILLER: Kills Fire Ants*, Armyworms, Cutworms, Mole Crickets, Chinch Bugs and more *Kills fire ants upon initial application only
No. 6
Scotts Turf Builder Triple Action1 - Weed Control, Lawn Weed Killer, Crabgrass Preventer, and Grass Fertilizer for Lawns, Covers 4,000 sq. ft., 11.31 lb.
  • 3-IN-1 FORMULA: Scotts Turf Builder Triple Action1 is a three-in-one lawn fertilizer and weed control formula that kills listed lawn weeds, prevents crabgrass, and feeds grass to build thick, green lawns
  • WHERE TO USE: This grass fertilizer, crabgrass preventer, and clover and dandelion killer for lawns is for use on Bahiagrass, Centipedegrass, Kentucky Bluegrass, Perennial Ryegrass, Bermudagrass, Tall Fescue, Fine Fescue, and Zoysiagrass
  • LAWN WEED CONTROL: This lawn care product is a weed killer for lawns that controls dandelion, clover, dollarweed, ground ivy, chickweed, plantain, henbit, English daisy, and other listed lawn weeds
  • CRABGRASS PREVENTER: This pre-emergent weed killer also prevents crabgrass for 4 months (will not kill existing crabgrass); stops other listed grassy weeds from invading your lawn
  • HOW TO USE: Apply to a wet lawn with a Scotts spreader, then water in after 24 hours; apply in early spring when dandelions are actively growing
No. 7
Scotts Turf Builder Weed and Feed 3, 15,000 sq. ft.
  • Up to 2X more powerful dandelion and clover control (vs. previous formula)
  • Clears out dandelions and clover—satisfaction guaranteed
  • Weedgrip Technology grips the weeds you see—and the ones you don't
  • Scotts most powerful weed and feed
  • Feeds to thicken lawns and crowd out weeds
No. 8
BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns Granules - Kills the Weed, Not the Lawn (When Used As Directed) - Covers 4,000 Square Feet - 10 lb Bag
  • KILLS LISTED BROADLEAF WEEDS: Season Long Lawn Weed Killer + Preventer for Southern Lawns kills listed broadleaf weeds, including Dandelion, Clover, Chickweed, Dollarweed, and Henbit for up to 6 months
  • PREVENTS WEEDS & CRABGRASS UP TO 6 MONTHS: Prevents listed grassy and broadleaf weeds, including Crabgrass, Annual Bluegrass, Common Dandelion, Goosegrass, and Spurge, for up to 6 months
  • FOR SOUTHERN LAWNS: Treats up to 4,000 sq. ft. of southern turf, including all varieties of St. Augustinegrass, including Floratam; Also use on Bermudagrass, Centipedegrass, Zoysia, and more, as listed on the label
  • SEASON-LONG WEED CONTROL: One application provides season-long control of over 50 listed lawn weeds; Apply these weed killer granules with a rotary or drop spreader and water lightly 24 hours after applying
  • GET MORE FROM THE BLUE BOTTLE: From simple spot treatments to season-long protection, BioAdvanced science-based solutions make it simple to control unsightly weeds and protect against damaging diseases without harming the lawn, when used as directed

Your Guide to Choosing the Best Weed and Feed for Southern Lawns

Southern lawns face tough challenges. Hot summers, heavy rains, and unique weeds demand a special solution. Weed and feed products combine fertilizer to green up your grass and herbicides to kill unwanted weeds. Choosing the right one saves time and keeps your lawn healthy.

Key Features to Look For

When shopping, look for specific features that match the Southern environment.

  • Targeted Weed Control: Southern lawns often deal with different weeds than Northern lawns. Look for products that list common Southern invaders like dollarweed, crabgrass, or clover.
  • Slow-Release Nitrogen: Nitrogen makes grass grow fast and green. Slow-release nitrogen feeds the lawn steadily, preventing the “feast or famine” growth that can stress grass in the heat.
  • Temperature Suitability: Most Southern grasses (like Bermuda, Zoysia, or St. Augustine) prefer to be treated when soil temperatures are right. Check if the product is best for pre-emergent (before weeds sprout) or post-emergent (after weeds sprout) use.
  • Rain Includer: Since the South gets heavy rain, choose a formula that sticks well to the grass blades or is designed to resist washing away quickly.
Important Materials Inside

The ingredients matter most. A good weed and feed has two main parts: the fertilizer and the weed killer.

Fertilizer Components

The N-P-K ratio on the bag tells you the percentage of Nitrogen (N), Phosphate (P), and Potash (K). For Southern lawns, a higher first number (Nitrogen) is usually good for color, but make sure it includes slow-release sources like Sulfur-Coated Urea (SCU) or polymer-coated materials.

Herbicide Types

Weed killers fall into two groups:

  • Pre-Emergent: These stop seeds from sprouting. Common active ingredients are Prodiamine or Pendimethalin. Use these early in spring before crabgrass appears.
  • Post-Emergent: These kill weeds that are already growing. Look for 2,4-D, Dicamba, or MCPP, which target broadleaf weeds effectively.

Factors That Improve or Reduce Quality

The quality of the product depends on how well it works with your specific grass type and local weather.

Factors That Improve Quality:
  • Grass-Specific Formulas: Some products are safe for St. Augustine grass but will damage sensitive varieties. Always check the label for your grass type.
  • Granule Size: Medium, uniform granules spread evenly. Even spreading means consistent feeding and weed control across your whole yard.
  • Micronutrients: Added iron or other micronutrients boost deep green color without causing excessive growth.
Factors That Reduce Quality:
  • Improper Timing: Applying a pre-emergent when it’s already 90 degrees outside is wasteful. Weeds will already be growing.
  • Rainfall Too Soon: If you apply the product and heavy rain washes it away before the herbicide has time to absorb, the product will not work well.
  • Using on Stressed Grass: Do not apply weed killer to grass that is already wilted or suffering from extreme drought. The chemicals can burn the already stressed blades.
User Experience and Use Cases

Users generally prefer easy application. Granular products are the most common because they spread easily with a standard spreader.

Best Use Case: Spring Preparation. The most common time to use weed and feed is early spring. You apply a pre-emergent to stop summer weeds, while the fertilizer wakes up the dormant grass.

User Tip: Always calibrate your spreader according to the bag instructions. Over-applying fertilizer causes chemical burn, leaving ugly yellow or brown patches in your lawn.


10 Frequently Asked Questions (FAQ) About Southern Weed and Feed

Q: When is the best time to apply weed and feed in the South?

A: For pre-emergents, apply when soil temperatures consistently reach 55°F. For post-emergents, apply when weeds are actively growing, usually late spring or early fall.

Q: Can I use the same product on Bermuda and St. Augustine grass?

A: No, not always. St. Augustine grass is very sensitive. Always check the label to ensure the herbicide ingredient will not harm your specific grass type.

Q: How soon after applying can I water my lawn?

A: Most products require at least 24 hours without rain or irrigation after application so the chemicals can settle and absorb properly.

Q: What is the difference between pre-emergent and post-emergent weed control?

A: Pre-emergent stops seeds from growing roots. Post-emergent kills weeds that have already sprouted and are visible.

Q: Will this product kill my flowers or garden vegetables?

A: Yes, most weed killers are non-selective for broadleaf weeds. Keep the granules away from garden beds, trees, and ornamental shrubs.

Q: My lawn has clover. Which type of weed killer works best?

A: Clover is a broadleaf weed. You need a product containing post-emergent ingredients like 2,4-D to effectively kill established clover patches.

Q: How often should I apply weed and feed during the growing season?

A: Typically, you apply 2 to 4 times per year, following the schedule recommended on the bag for your region and grass type.

Q: What should I do if I see brown spots after applying?

A: Brown spots often mean the product was applied too heavily. Water the area deeply and gently to try and wash the excess fertilizer through the soil.

Q: Does the fertilizer help with drought resistance?

A: A balanced fertilizer helps grass develop strong roots, which helps it handle mild drought better, but it won’t stop damage during severe, prolonged dry spells.

Q: Can I use this product if I have pets?

A: Yes, but you must keep pets and children off the lawn until the product has completely dried and settled into the soil, usually several hours.

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