Sharp mower blades are vital in preventing turf disease during hot, steamy conditions. … A dull blade “rips” the top of a blade of grass, leaving a jagged edge which invites pests and disease. A sharp blade provides a clean cut, which helps the grass to heal faster and promotes photosynthesis.
Do Sharp mower blades make a difference?
Yes, sharp blades make a difference-a very big different, to say the least. During spring, when grass grows fast and becomes bushy, only sharper blades will do a great cut with minimum strain on your lawnmower. You also realize faster mowing with sharp mowing blades.
Should a lawn mower blade be sharp?
Mower blades should be aggressively sharp, but not as sharp as a razor’s edge. You should be able to touch the blade with your hand without getting cut. … Additionally, lawn mower blades that are too sharp get duller, faster resulting in the need to sharpen more frequently and a shorter blade life.
What does a dull lawn mower blade do?
A dull blade can make your lawn appear yellow, brown and raggedy. A dull lawnmower blade may even pull up portions of the grass because it actually pulls on the entire plant instead of slicing through the blades of grass cleanly.
Should I sharpen my lawn mower blade or buy a new one?
To avoid an ugly, unhealthy lawn, you should sharpen your blades regularly and replace them as needed. When you sharpen them really depends on your individual usage. Most manufacturers give recommendations in their product manuals, specifying how thick the cutting edge should be before replacing.
Does wet grass dull mower blades?
Cutting wet grass can dull the blade more quickly. Clean blades thoroughly before and after mowing a lawn when wet to keep the cut as sharp as possible.
How do I know if my mower blade needs sharpening?
Look for these signs that it’s time to sharpen the mower blades:
- Dents or nicks in the mower blades.
- Uneven grass height after cutting.
- Grass blades look torn instead of sliced.
- Brown, frayed grass edges.
Do you sharpen both sides of a mower blade?
Your lawn mower blade is dull. Sharpen the blade twice each season to help maintain a green, healthy lawn. A sharp blade not only cuts blades clean so grass plants recover quickly, it helps reduce your lawn mowing time.
Do brand new mower blades need to be sharpened?
If your lawn mower is brand new, then there won’t be any need to sharpen the blade. During the manufacturing process, mower blades are always sharpened, and new mowers come with sharp blades from the factory.
Why are mower blades not sharp?
Dull lawn mower blades do not cleanly cut the blades of grass. Instead, the grass is ripped or torn, resulting in a jagged edge. This jagged edged will brown within days, causing an uneven look to a recently cut lawn. The jagged edges also present an easy way for disease and parasites to enter the grass.
How much does it cost to sharpen a lawn mower blade?
Depending on the type of your mower, you can expect to pay anywhere between 20 dollars to 60 dollars. If it’s a reel lawn mower you might not even need to take the blades off the mower and sharpen them while they’re attached.
Can you sharpen mower blades without removing them?
There are few different ways to sharpen lawnmower blades, including using a bench grinder, hand file, rotary tool, or angle grinder. … But, depending on the design of your mower, you might be able to sharpen the blade without removing it, which will save a considerable amount of time.
Why does my lawn mower Miss blades of grass?
Rows or streaks of uncut grass in your lawn may be the result of your lawnmower’s cutting blades being dull or otherwise damaged. Dull blades are the result of normal wear and tear from mowing. … Occasionally, one or both blades become warped, curled or nicked. In any one of those cases, it’s best to replace the blades.
How long does a mower blade last?
High-quality lawn mower blades can last up to 400 hours, but on overage, lawn mower blades last for 100 to 200 hours depending on the level of care and maintenance. How long do riding lawn mower blades last? For your blades to last longer, you need to sharpen them after every 20-25 hours of use.
What is the difference between mulching blades and regular blades?
Standard blades, sometimes referred to as 2-in-1 blades, are designed to cut grass and then either discharge or bag the clippings. … Mulching blades, also known as 3-in-1 blades, can be used to bag, discharge, or mulch grass clippings. Mulching blades feature more curves and an increased cutting edge.
How do you know when to replace your lawn mower blade?
After a visual inspection of your mower blades, you will be able to tell if your blades have any nicks and dents. Blade erosion can happen over time due to yard debris, so be sure sure to inspect the thickness of the mower blade. For the average homeowner, a good rule of thumb is to replace your mower blades annually.