How To Dethatch and Overseed a Lawn - Greenworks Dethatcher

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In this video I'll be showing you how to dethatch and overseed a lawn using the Greenworks Dethatcher. This is my second project with this Greenworks Dethatcher and it works great to remove the thatch and keep the existing grass intact. I also overseeded the lawn after dethatching with a little bit of Jumpstart Kentucky Bluegrass to see if we can add a new variety of kentucky bluegrass to my backyard.
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Опубликовано:

26 апр 2018

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Комментарии : 544

@ryanknorrlawncare 4 года назад

Need help with your lawn? Check out my FREE Guide - ryanknorrlawncare.com/simplelawnguide/ For those asking about grass seed, here’s what I recommend - ryanknorrlawncare.com/product-category/grass-seed/

@robles100 4 года назад

Could all that thatch in my lawn be the reason why my manual reel mower doesn't work anymore ??? Meaning, it can't be pushed for more than a couple of feet before it gets stuck on the grass. I'll really appreciate your response. And thankful that I found your channel, keep up the good work 👍👍👍

@xNUMBER20x Год назад

What sprinkler did you use to water your lawn at the end of the video?

@user-cl5oh8fl4w 3 года назад

This is the video that brought me to this channel, and here I am still watching after over two years.

@EnligUlv 4 года назад

Excellent review. No attitude. No gimmicks. Good editing in condensing a lot of detailed information. I’ll buy one.

@karstenguthrie2099 3 года назад

I agree

@nova31337 3 года назад

and some sweet video timing to the music cues 👌🏻

@fiercenet 3 года назад

drops $100 worth of seed, hopes "a little bit of this takes hold" LOL I think we can all relate.

@GrandNational66 2 года назад

Are you in a 4 season climate?

@GrandNational66 2 года назад

If you have snow cut low, dethatch fall fertilize then just before snow seed the shit out of your lawn/ 25kg/ 50lb bag and let the snow do the work...then a month or 6 weeks into spring hit it with Scotts Max Green.

@DirtyJobsGuy1 2 года назад

@@GrandNational66 I’m in Minnesota, when should I lay down the fertilizer and how long can I wait before seeding? It’s early October now.

@GrandNational66 2 года назад

@@DirtyJobsGuy1 Scotts fall fertilizer the red bag rotary set to 3.5 on spreader = 2 applications mid Sept mid Oct.

@GrandNational66 2 года назад

I seed just before snow fall...1st week of Nov..no germination till spring providing it contacts the ground...grass must be short and well power raked.

@trentburns1753 6 лет назад

That’s a long day of work. Best part is the chair, beer, and watching the grass grow 👍

@ryanknorrlawncare 6 лет назад

You've got that right!

@bekeygill5597 3 года назад

@@ryanknorrlawncare Or, ... grass with your grass? heh heh heh

@EC-dc1rp 2 года назад

I know I am getting old when I spent hours on Ryan's channel

@joeyyoung9517 4 года назад

Ryan I purchased the Green works dethatcher and love it. My yard is roughly 5 thousand square feet and this little green monster pulled up enough thatch to fill a full size pickup truck. It never gave me a problem and never over heated. Thanks for the recommendation 👍

@davemanmartin 4 года назад

Does anyone have a comparison of the Greenworks vs Sun Joe dethatcher? I have seen both recommended in different videos, seem pretty similar

@drewski2305 3 года назад

just bought my green works dethatcher and can't wait to test it! thought about trying the sun joe for the scarifier but i was able to get a really good price on the green works. lookin foward to messin up my yard :)

@beaudansizen2157 3 года назад

Another great video! Just a note...according to the manual, for the height adjustment, the number at the BOTTOM of the wheel, not at the top, is the height where it is set.

@corwingraves6808 6 лет назад

Bought one of these last fall after seeing your last video and was amazed by the amount of thatch that kicked up. Great machine.

@ryanknorrlawncare 6 лет назад

It's a great little tool. I love it.

@michaelh.7040 5 лет назад

Amazing video...great job. Love the care u give your lawn. Thank you for sharing your expertise....👏👏👏👏

@jaredcebrosky9530 3 года назад

Just ordered the Greenworks Dethatcher and it works great. Well worth the cost. And the cost is affordable.

@qualitytouch 3 года назад

love your vids man, has me super motivated to get my lawn Renovated. THANKS!!!

@jaymetheaccountant 4 года назад

Hear the Westie's in the background. Classic "pay attention to me" bark. Love it.

@JillyBean860 3 года назад

Those are awesome dogs!

@brunomaselli4714 3 года назад

I detached a couple days ago. First time in a few years. I had enough dead grass to sell a farmer for hay. Wow, what a job!! I rented thatcher from Home Depot. Going to look into buying Greenworks for future.

@joequillun7790 5 лет назад

Professional quality video. Nicely done.

@Kampf0r 3 года назад

9:52, that picture says it all. 😎

@tabban218 2 года назад

Thanks for this video Ryan, i now realise i dont really need to cover with top soil after over-seeding as i previously thought

@kevinboling9677 3 года назад

You did a great job making this video. Great info, thanks!

@Crouse_Property_Maintenance 6 лет назад

9:51 total domination!

@antipatiko 5 лет назад

for reals! I wonder how many hours a week he spends on his lawn. Just looks amazing and healthy!!!

@DanielCoe 4 года назад

That's a damn fine lawn! Putting the Jones to shame!

@michaelsimmons4883 3 года назад

I was thinking the whole time - "How stressful would it be to live next to this guy?".

@dougiefresh730 5 лет назад

Good video I bought a house late last summer and the yard is awful. I'll be watching lots of your videos for tips.

@A-Kings-Cut 9 месяцев назад

Had to come back to this video cuz im doing this today haven't dethatched in 2 years..got my greenworks an your elite perennial rye ready 👍🌱

@damion1121 3 года назад

If you started at the top of your lawn, you wouldn’t have to worry about running over the extension cord every time you finish a pass. I just bought one of these I’m a first time homeowner and gonna do this for the first time. It was very helpful video, thank you.

@how2q 8 месяцев назад

Just bought a greenworks dethatcher…knew this was then place to go for the 411. Thx!

@bombaydan 6 лет назад

Brilliant video, thanks from London, England

@KevDesign32D 4 года назад

great presentation and very easy to understand . thanks a million !~

@sethbutler3048 3 года назад

Hey Ryan, loving your videos as well as podcasts- very entertaining and informative! I am in southwest Georgia with 2500 sqft of centipede in front yard and 1000 sqft backyard of new zoysia sod. I just started this year really tackling front centipede to get it where I want it. Back in the spring I overseeded and did a little topdressing. After all that watering for new seed, I had a lot of crabgrass and spurge come in too. I did two apps of Tenacity(post-emerge) and that killed the crabgrass quickly, I plan to use the Spectracide for lawns to hopefully kill the spurge once it cools off here a bit more. I did put down some 15-0-15 +iron after the Tenacity, planning to do soil test in early spring to get a real plan together for next year in terms of ferts. My real question is on what to do first thing in the spring. With all the dead crabgrass I have some large thin spots. Im thinking of dethaching to remove dead stuff, use Tenacity as pre-ermege, put down more centi seed, then topdress with a manure/sand mixture and level as best I can(I have a few ruts from having trees removed). Sorry for long comment, just hoping to get some thoughts from you. Thanks and keep up the great work! I plan to get on the Patreon soon.

@jefchaplin6205 6 лет назад

Thanks for the video Ryan, great work.

@ryanknorrlawncare 6 лет назад

Thanks!

@chadkasal8964 3 года назад

lol that aerial shot!!!! your neighbors are mad jealous!

@fordmodela3641 3 года назад

Thanks for the great video! I’ going to buy one soon.

@jessehuerta1946 6 лет назад

After watching your video last year on dethatching I bought one from Amazon! Thanks for the tips man!!!

@ryanknorrlawncare 6 лет назад

Awesome! Glad I could help. That little machine does a great job for the price.

@bunbee2023 3 года назад

Great video, Ryan….very informative! 👍🏾

@heavymechanic2 5 лет назад

I picked up a dethatch rake for my riding mower, it does an OK job to just drag it over the lawn. A single pass for light thatch. 3-4 passes for heavy thatch removal. I have never used a power dethatch machine as a DIY guy.

@scottwheldon9992 3 года назад

Love the beats on this vid.

@ludlowfalls8856 5 лет назад

Thank you for the video! I plan on dethatching and then leveling my lawn this weekend.

@troyhall2317 3 года назад

Ryan as always your the best thx!

@VVVutov 6 лет назад

I hope you realize that if you work your way towards the end of the yard and not towards the power outlet this extension cord will never be in your way.

@lilymachado7418 4 года назад

Good tip. I’ll try this next time I mow my lawn. I’m so tired of tossing the cord out of my way.

@nova31337 3 года назад

I was thinking the exact same thing!

@stustauffer7665 2 года назад

Also, the cord shouldn’t be all twisted up like that either. Maybe a video on how to properly coil extension cords.

@briangriffin9886 5 лет назад

thank you for the great video

@johnceglarski9460 3 месяца назад

LOL You definitely have the best-looking yard.

@hacksaw413 3 года назад

Thanks for the video. Only tip I have is with a corded mower if you start at the house you won't have so much trouble moving the cord.

@robertirving6326 6 лет назад

Love your videos! Great content.

@ryanknorrlawncare 6 лет назад

Thanks!

@robertsanden1347 6 лет назад

There is something very satisfying about watching a dethatcher do it's job and seeing the junk come up. You're going to be the single reason I will own one some day! 😁

@ryanknorrlawncare 6 лет назад

It's a nice little tool. Thanks for watching!

@patrickverda8926 4 года назад

Hey Ryan! How often should I thatch my lawn? I just bought and used a pull-behind dethatcher to my midwestern lawn two weeks ago - the first time in 10 years. Is this a seasonal task? Does it depend on how thick the lawn is? Thanks in advance...

@mattcondit356 6 лет назад

Have a similar model from another brand. Does the trick (especially for the once a year I use it.) Made my rookie mistake last year and blew out my preemergent barrier with the dethatcher. Crab grass loved me for it.

@ryanknorrlawncare 6 лет назад

There's always lessons to be learned and sometimes we just have to do it the hard way.

@lilymachado7418 4 года назад

I bought the same machine 3 days ago. It does work amazing. I then went over my lawn with the lawnmower but it didn’t really pick up the thatch. I got one bag collected. Next day the lawn looked dull. Lots of leftover thatch was sitting on top. I ended up having to rake my lawn and got another 2 bags! Any reason why my mower didn’t pick it up? What did I do wrong?

@andrewsnow1933 5 лет назад

What do you put down after overseeding? Fertilizer? Peat moss?

@maradavila4400 2 года назад

Wow, you lawn looks great (compared to your neighbors)! I just purchased my Greenworks Dethatcher. Hoping I do just as good a job like you!

@keithhookland7470 2 года назад

Love the lawn and the hat Skol

@scottj2179 4 года назад

Best b roll in the lawn care game!

@ryanknorrlawncare 4 года назад

Things have improved a lot since this video haha

@scottj2179 4 года назад

Keep it up man! My grass looks great thanks to you lol!!

@jnorth9702 3 года назад

Thank you for sharing.

@lschiz-photography1765 3 года назад

Excellent excellent thank you. 6 weeks ago I decide my lane needed much help and work. I found you and getting ready to go here. But Aeration? 20 years of no care just cutting. Must amd will be thatch. Is aeration critical to start with in this lawn makeover? Thank You Ryan Scott

@simi_ziggy 4 года назад

I just bought this dethatcher on amazon and expect in within a week. I laid down a pre-emergent on the lawn about 3 weeks ago (didn't expect to buy this) - should I wait to use the dethatcher or can I use it as soon as it arrives? Thanks!

@49ersfirsttakes 3 года назад

did both today even put down starter, hope its not to late its oct 14

@ronmiechkota3636 4 года назад

Thanks Ryan. When spreading seed and fertilizer do you use the same spreader tool?

@leem5838 3 года назад

Hi Rayn, can you do a video on the difference between a dethatcher and a scarifier. Not clear on the difference.

@dwkwb8 2 года назад

I think the scarifier uses heavier steel blade instead of the thin and flexible wire prongs.

@irvseg6397 6 лет назад

I’ve been watching your vids for a while now! I’m in MN and I’ll be dethatching and overseeding next week. I’m using the SS9000 Perennial Ryegrass blend. Thanks for your vids man! I appreciate the work you put into these vids. Footage is looking great!

@ryanknorrlawncare 6 лет назад

Great! Let me know how it goes with the seeding. I love that ryegrass.

@Mikey_zeee 3 года назад

Great video, good job

@popeyeyankee5477 5 лет назад

Hey Ryan. Should you still water the grass if you have a thatch problem? I don't want to use a power rake until the fall so I can seed in the cooler weather. Thanks.

@TheDWZemke 4 года назад

Nice MN VIKINGS HAT

@Greg29 4 года назад

Great video. I'm about to overseed for the first time, decided after research to go with the Sun Joe dethatcher over the Greenworks, it's on sale today also. I was going to overseed at 2 lbs per 1000 sq ft but now I'm going to cut it back to 1 as per your recommendation.

@ryanknorrlawncare 4 года назад

Just depends on the type of seed and how thin your lawn is so take that into consideration

@Greg29 4 года назад

@@ryanknorrlawncare Thanks Ryan

@JCLnS 2 года назад

My turf needs to be thickened up this fall, and from what I’ve been reading I need to dethatch beforehand. Should I also core aerate at this time?

@jakeh3144 3 года назад

Nice b roll man!

@patricksageaktook1357 4 года назад

Hi, I got top soil laid down, but has formed into "concrete." Can I use a dethatcher to help loosen the couple inches on top so I can seed?

@sj7601 4 года назад

Ryan, I apologize if I missed it in one of your videos... but when purchasing grass seed how can I tell what seed was used in my lawn? I live in northern Indiana so I know I would need something for cold seaons. I just do not want my lawn to have multiple colors (as I have never dethatched/over seeded before). My OCD will be terrible if I have all kinds of greens in my lawn!

@zackiinu7194 3 года назад

4:50 Great tip. Thanks! 👍

@davewaveandrews 6 лет назад

I have the same dethatcher and I find starting my runs closest to the place I plug the machine in and working away helps avoid manipulating the cord out of the way some.

@ryanknorrlawncare 6 лет назад

Very good tip. I'll make sure to try that next time.

@Jonnn21 4 года назад

What brand and model is that white dethatcher and where to get it?

@ridngsxrs 4 года назад

beautiful lawn man! Looks like my neighbor's lawn except he doesn't' allow his 3 young kids to play on the lawn.

@scottcolquitt2073 4 года назад

Ryan...Live in Michigan..love you channel. just de-thatched...Do you not recommend plugging or slice seeding? Is a channel or hole not needed for the grass seed to germinate? Am I ok with just cutting my lawn low then over seeding?

@vickiemurden574 6 лет назад

Great video.

@ryanknorrlawncare 6 лет назад

Thanks!

@apegues 5 лет назад

I have St. Augustine grass, can that be dethatched with all those runners? Without tearing it up

@rjmiller2553 4 года назад

I've been mulching the last bag back into the lawn. Just spread it around and mow it, but it doesn't even need to be mulched, the lawn can absolutely break this down now. I try to return the last raked thatch because its usually the oldest debris from the deepest layer..

@Stephen-wh7vl 5 лет назад

I've asked for this for Christmas three years in a row. My wife doesn't think it's fun enough of a gift so she never buys it for me.

@shighbenable 4 года назад

Stephen awww

@shighbenable 4 года назад

Legit made me sad

@djsausagebiscuits 4 года назад

Haha, I bought one for myself but this still resonates with me. If I ask my wife for something very specific as a holiday gift... it doesn't quite work out. "No, no I really do want this specifically, and will enjoy it throughly!"

@ladyunknown9101 4 года назад

I’d love a husband to do yard work with!! A Greenworks detchatcher would get us both “excited” for Christmas!

@sherievaughn6475 3 года назад

Been married 30 years and my hubs has bought me power tools for my birthdays. Maybe that’s why we’re still together 🤔

@Jakepp235 3 года назад

What time of the year is best to do this? I’m in PA, early spring before seeding ? Late fall before seeding ?

@alejandrofernandez3388 3 года назад

I have some burnt patches after using lockup fertilizer spread in the 3rd week of June, I’m going to dethatch with a rake & break up soil soil to weaken the lockup, apply soil, seed & peat moss in the patches apply water, cool season grass perennial rye mix ... should I are areate instead & over seed or just fix the patches

@silascastellanos 2 года назад

Good video question when is the best time to do the dethacher. And mi grass is big like 4 inches right know is better cut the grass first or do with the dethacher machine.i live in virginia

@barritoes 5 лет назад

I heard the Sun Joe dethatcher/scarifier was similar but overall a better performing machine..Can you do a comparison? Please and Thanks for the awesome content.

@MN_Angler39 6 лет назад

New subscriber here, great stuff! I bought this machine last year and it's amazing how much thatch comes up when you would never know by looking at it. Great yard you have too 😎

@ryanknorrlawncare 6 лет назад

Glad to have you! Thanks for checking out the videos and yes I've been very impressed with the machine.

@davepowell3001 Год назад

Thanks Ryan! No aeration after power raking? You went right to over seeding after power raking. I live in SW Kansas City, so very similar conditions.

@withinavoid 6 лет назад

Perfect timing on the the vid Ryan. Today I de-thatched my 1200sqft back yard with the same green works dethatcher after having done it a week ago as well. It works great! I pulled out 3 full lawn bags of thatch from such a small yard. Overseeded today with some local seed mix and top dressed - hoping for good results. Some spots were really bare so I added more seed there. Just curious how often and for how long should I water? I'm thinking 3x a day for 10 minutes to start - any suggestion?

@ryanknorrlawncare 6 лет назад

Yeah just enough to keep it from drying out. That can be different amounts depending on your climate etc but since it's a cooler part of the year that helps a lot as well. Good luck!

@appleslorri2012 4 года назад

How’s it work for pulling out creeping charlie?My yard is full of it.

@sethwilson6321 5 лет назад

Do you actually hand water all 4K sq foot? And still manage to keep it that green? You sir just won the medal of medals 😂

@ac7384 3 года назад

Where you reccomend to get some kbg seed ? For Overseeding. My lawn is kbg and per rye mix

@lawnrebel 6 лет назад

That bluegrass 😍. I'm excited to see that bluegrass germinate.

@ryanknorrlawncare 6 лет назад

Gotta love the bluegrass! Can't wait for it to pop again and then I'll probably hit it with some iron and we'll be striping like there's no tomorrow. Man, I'm a nerd.

@NOne-yt1tj 5 лет назад

Thank you for this video. If you were also top dressing would you top dress after the fertilizer and seeding, or would you suggest a different sequence?

@ryanknorrlawncare 5 лет назад

You can after if it's a super light layer...you won't want to smother the seed too much or it won't be able to germinate

@birdviews_roc401 3 года назад

Will this work with removing moss? Recently got a home and the yard is a mess. I wanna remove moss and aerate the lawn and put down new seed. What would be the best way to go about doing this? Living in upstate it's still freezing weather.

@alejandrofernandez3388 3 года назад

Low setting is 2 or 3 in the spreader? I have roughly the same amount of swft

@richardayala4356 5 лет назад

I am sold on a dethatcher! I have about the same size lawn you do and just tried doing it by hand...forget it! After two hours I wore my shoulders out and barely did an eighth of the yard. Checked them out at Lowe’s, same as yours for $115. Getting it next week when the unit arrives.

@ryanknorrlawncare 5 лет назад

I think you'll be pleased how well these little machines work and are very easy to use.

@DirtyJobsGuy1 3 года назад

So you don’t have to de thatch in the early spring before geeenup?

@brisketprofit3205 4 года назад

What type of sprinkler was that? How many square feet is your backyard? How may times would you have to move it to water your backyard?

@EWC88 4 года назад

Need to buy a dethatcher but not sure whether to go with green works or the sun joe scarifier, opinions?

@Sunny21019 Год назад

Hi Ryan, do I still need to use a pre emergent after detaching?

@alfredolopez714 4 года назад

Hi Ryan , when do you recommend to do this job ???

@nathanhoover5435 3 года назад

Could you use an lawn overseeder? It seems as though the lawn overseeder would dethatch and sow the seed at the correct depth in the ground in one process.

@bcinbody 4 года назад

Hello from Waukee!! love the channel! Very novice yard man here but wanted to know how to choose what seed I should use for over seeding?

@ryanknorrlawncare 4 года назад

Hey! Check out this video as it might shed some more light on seed ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-sgqfbV-ESk8.html

@JeremyHoxie 6 лет назад

Do you not lay down pre emergent? I would love to be able to oversees this spring but I’m prioritizing the pre emergent. Nice video man, keep them coming!

@ryanknorrlawncare 6 лет назад

Nope for the past few years I haven't used any. I mainly just go for steps that get the grass as thick as possible and the weeds have been very minimal as a result.

@glenjamindle 6 лет назад

Whether you use pre-emergent or not you should wait until the fall to seed. The grass may grow if seeded in the spring, but it won't have established roots by the time the heat kicks in. Planting in the fall gives the grass time to grow, then has a few more weeks to establish next spring before the heat.

@howdydoody7555 3 года назад

I got cool season grass in Illinois. When should I dethach?

@Funknwanker 3 года назад

How often should a lawn be dethatched during the spring summer and fall?

@xDuffBeerx 6 лет назад

Ryan, last year when I did my lawn renovation. I used a blend of KBG which has 25% of Jump Start in it. That variety of KBG really germinate fast. Took like 1 week... ! Nice Job !

@ryanknorrlawncare 6 лет назад

Nice! I will be at a week this Wednesday.