Does your lawn look patchy and sad after a long winter? You want that perfect, emerald-green carpet for summer BBQs. Getting that beautiful lawn starts right now, in the spring. But choosing the right fertilizer and weed killer can feel like a confusing science project. Should you use weed-and-feed? When is the best time to apply? These questions stop many homeowners from starting strong.
We know the struggle! You mix up the wrong product, or apply it too early, and suddenly you have more weeds than grass. That’s frustrating and wastes your hard-earned money. This guide cuts through the confusion. We will explain exactly what your lawn needs in the spring to wake up healthy and fight off those pesky invaders.
Keep reading to learn the simple steps to feed your grass correctly and stop weeds before they even start. By the end of this post, you will feel confident choosing the best products for a vibrant, weed-free yard this season. Let’s transform that tired turf into the best lawn on the block!
Top Spring Lawn Fertilizer And Weed Control Recommendations
- 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
- 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
- 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
- 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
- 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
- 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
- One application prevents crabgrass all season long
- Apply in spring to prevent crabgrass and problem weeds all season long
- Fall application prevents winter weeds, such as poa annua, henbit and chickweed
- Rain, snow or freezing weather after application won't affect product performance
- Apply in fall to prevent moss
- Feeds for deep greening in just 3 days
- Dual-action, 2-in-1 formula feeds and supplements with iron
- Guaranteed not to stain when used as directed
- Apply to any grass type; OK to re-enter lawn immediately after product is applied
- Recommended for many lawns as part of the Scotts Lawn Care Plan; Not sold in FL
Your Guide to a Lush, Weed-Free Spring Lawn
Spring is the perfect time to wake up your lawn. You want bright green grass and no pesky weeds. Choosing the right fertilizer and weed control product makes all the difference. This guide helps you select the best one for your yard.
Key Features to Look For
When shopping, look closely at the product label. Certain features promise better results.
1. Weed Control Type
- Pre-Emergent: These stop weed seeds from sprouting. Use these early in spring before weeds appear. They create a barrier in the soil.
- Post-Emergent: These kill weeds that are already growing. They work best on broadleaf weeds like dandelions.
2. Fertilizer Ratio (N-P-K)
Fertilizers have three numbers (like 20-5-10). These show the percentage of Nitrogen (N), Phosphate (P), and Potash (K).
- Nitrogen (N): This is key for green, leafy growth. Spring lawn food needs high nitrogen.
- Phosphate (P) and Potash (K): These help with root strength and overall plant health.
3. Application Method
Some products are granular (small pellets) that you spread with a spreader. Others are liquid concentrates you mix with water and spray. Granular products often last longer.
Important Materials in Your Mix
The ingredients determine how well the product works and how safe it is for your grass.
Active Ingredients in Weed Killers
Look for common active ingredients that target weeds effectively. For pre-emergents, ingredients like Prodiamine are popular. For post-emergents, look for 2,4-D or Dicamba, which target broadleaf weeds without harming grass.
Slow-Release Nitrogen Sources
High-quality fertilizers use slow-release nitrogen. This means your grass gets food steadily over several weeks. Fast-release nitrogen causes quick, short bursts of green, often followed by yellowing.
Factors That Improve or Reduce Quality
The formula quality directly impacts your lawn’s health.
What Improves Quality?
- Added Micronutrients: Products that include iron or sulfur boost deep green color.
- Balanced Release: A good mix of slow-release and quick-release nitrogen feeds the lawn immediately while providing long-term nutrition.
What Reduces Quality?
- High Salt Content: Some cheaper fertilizers have high salts, which can “burn” your lawn, especially in hot weather.
- Inconsistent Granule Size: If the fertilizer pellets are all different sizes, your spreader will apply them unevenly, leading to stripes of thick and thin grass.
User Experience and Use Cases
Think about your lawn’s current situation before buying.
For New Lawns or Early Spring Cleanup
If you have many weed seeds waiting to sprout, a pre-emergent herbicide combined with fertilizer is essential. Apply this before soil temperatures get too warm (usually early April in many areas).
For Established, Already Weedy Lawns
If you already see dandelions, you need a post-emergent weed and feed. This kills the existing problems while feeding the grass to help it recover quickly.
Ease of Use
Liquid concentrates require careful measuring and mixing, which can be tricky. Granular products are usually simpler; you just calibrate your spreader and go. Beginners often prefer granular formulas.
10 Frequently Asked Questions (FAQ) About Spring Lawn Fertilizer and Weed Control
Q: When is the absolute best time to apply spring fertilizer and weed control?
A: Apply pre-emergent weed control when soil temperatures consistently reach 50-55°F. This is usually before your grass starts growing actively.
Q: Can I use weed killer if I plan to seed my lawn?
A: Not usually. Most pre-emergent weed controls stop all seeds from sprouting, including grass seed. Wait until the new grass is established before using weed killers.
Q: What does “weed and feed” mean?
A: “Weed and feed” means the product contains both fertilizer to feed the grass and herbicide to kill the weeds in one application.
Q: How long does it take for granular fertilizer to start working?
A: Quick-release nitrogen starts feeding the grass within days. Slow-release components take several weeks to fully break down and provide nutrition.
Q: Is it safe to use weed control around pets or children?
A: Always read the label. Most products require people and pets to stay off the lawn until the granules dissolve or the spray dries completely. This usually takes a few hours.
Q: Why are some products labeled for “cool-season” versus “warm-season” grasses?
A: Different grasses thrive at different temperatures. Cool-season grasses (like Fescue) prefer spring feeding, while warm-season grasses (like Bermuda) prefer later spring or early summer feeding.
Q: Can I skip fertilizer this year if my lawn looks okay?
A: Skipping fertilizer weakens your lawn. Spring feeding builds the strength needed to outcompete weeds later in the summer heat.
Q: What if it rains right after I apply granular fertilizer?
A: A light rain is usually good! It helps the fertilizer pellets dissolve and move into the soil around the grass roots.
Q: What ratio N-P-K is best for spring lawn feeding?
A: Look for a high first number (Nitrogen). A ratio like 24-0-10 or 30-0-3 works well for strong spring green-up.
Q: Should I water my lawn before applying the product?
A: For granular weed and feed, the soil should be slightly moist, but the grass blades should be dry so the product sticks to the soil better.