How to Stop Weeds From Growing in Driveway & Patio Cracks (Clean, Fill & Seal Guide)
If you’re constantly dealing with weeds growing in your driveway or patio cracks, you’re not alone.
You pull them, spray them, clean everything up… and within days or weeks, they’re right back again.
The truth is, killing the weeds is only part of the solution. If you want to actually stop them from coming back, you need to deal with what’s inside the cracks.
🟡 Step 1: Kill the Existing Weeds First
Before doing anything else, make sure the weeds are fully dead — not just cut down.
👉 If you haven’t done this yet, start here: Best Weed & Grass Killers for Driveways, Patios & Cracks (What Actually Works) – Upgrade Your Outdoors
🔴 Step 2: Clean Out the Cracks
Once the weeds are dead:
👉 remove everything left behind:
- roots
- dirt
- debris
Helpful tools:
👉 The cleaner the crack, the better your results
🔵 Step 3: Let It Dry Completely
This step is often skipped.
👉 Moisture inside cracks can:
- weaken fillers
- allow weeds to return
👉 Let everything dry before moving on
🟢 Step 4: Fill the Cracks
Now you’re removing the space weeds grow in.
Example: Concrete Crack Filler (check price on Amazon)
👉 This:
- seals gaps
- blocks growth
- improves appearance
🟣 Step 5: Seal the Surface (Optional but Powerful)
Example: Concrete Sealer (check price on Amazon)
👉 Helps:
- prevent moisture
- reduce dirt buildup
- slow future weed growth
🟠 Why This Works
Most people:
👉 kill weeds
But don’t:
👉 remove the environment they grow in
👉 That’s why they keep coming back
🔵 Final Thoughts
If you’re tired of dealing with weeds over and over again, the key is not just removing them — it’s preventing them from coming back.
Cleaning, filling, and sealing the cracks makes a huge difference long-term.
👉 A great place to start is with a simple crack filler (check price on Amazon)