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Mulching under our fence line, after mulch

LAYING A MULCH BORDER UNDER OUR FENCE

Posted on May 11, 2020March 6, 2023 by Megan

Working in our backyard is a complicated effort to establish a boundary between a nice lawn and a healthy wooded area. We love our trees and forest-y creatures, but we also want to have a lush grassy space for our family to romp around. Our fenced area is what we call our “backyard”. Beyond the back gate and over the bridge is the “way back yard” (unfenced and rough around the edges).

Mulching under our fence line, view of whole yard

On the backside of our fence is about a foot or two of rocky terrain before sloping off into a dry creek bed. The creek bed is linked to a couple of storm drains, so it runs pretty full when it rains (which we love!). Right now it’s full of bush honeysuckle which, in our area, is a highly invasive underbrush species that chokes out all other plant life and is basically the worst. I’ve NEVER seen anything grow as quickly as this honeysuckle. It’s thriving in the worst way.

Anyway, back to the fence! Our fence is four feet tall with spaced pickets. We love the look of it, but the gaps have allowed for weeds and grass (and honeysuckle!) the grow out of reach of the weed trimmer. So last week, we set out to border around the fence line with a thick layer of mulch. This will help keep anything from growing up between the pickets. And, as a bonus, research shows that keeping the edges of your yard clear of brush/tall grasses and laying mulch borders can deter ticks (check this out from the CDC)!

Mulching under our fence line

We started off by digging ~18 inch wide, 3 inch deep trench around the perimeter and smoothing out the dirt underneath. Some areas were easier than others. The fence line in the back was full of tree roots, ivy, and rocks. We used a square shovel to keep a straight line and a pickax, when necessary, to break up tough stuff. Then, using a hand trowel, we cleared out a space underneath the pickets. If you follow us on IG, then you saw me digging during nap time on our stories! Below, you can see a before view of the fence line…

Mulching under our fence line, before

After trenching…

Mulching under our fence line, trenching

And then after laying the mulch!

Mulching under our fence line, after mulch
Mulching under our fence line, before
Mulching under our fence line, after

As you can see here in this next picture, parts of our yard are pretty grungy (especially the area where landscape block island used to be!). Now that we have an established boundary, we’ll be able to clear out some of this ground cover and plant grass seed! (You can also see that Murphy loved this project because we just hung out with him in the yard all weekend- a dog’s dream!)

Mulching under our fence line, before
Mulching under our fence line, after
Mulching under our fence line, wooded side before
Mulching under our fence line, wooded side after

This is the only tree left in our fenced area!

Mulching under our fence line, mulch around base of tree

What you just saw was the easiest part of this project. Like I said before, the back side of yard slopes down into a dry creek bed. As rain water drains off into the creek, it slowly erodes the slope, leaving washed out areas underneath the fence. We picked up a few rolls of black terrace board and plastic stakes to hold the dirt in place.

**Just a few notes- 1) cutting the terrace board requires a hacksaw or tinsnips; 2) the directions on the packaging say to install stakes every 4 feet, but in order to keep the board straight, we used stakes every 2-3 feet.

Mulching under our fence line, terrace board and stakes from Menard's

Here’s what the backside of the fence looked like before…

Mulching under our fence line, wooded side before

After installing the terrace board…

Mulching under our fence line, wooded side with terrace board

And after the mulch! Doesn’t mulch just make everything look better??

Mulching under our fence line, wooded side after

More honeysuckle take over…

Mulching under our fence line, wooded side with honeysuckle bush before

And after a lot of awkward digging on a slope…

Mulching under our fence line, wooded side after

If you’ve made it all the way here, you’re a true before and after photo lover like I am! Mulch has a way of transforming even the roughest of landscapes. I think that’s why I love black mulch so much- it has a such a huge impact! I LOVE MULCH!!! Okay, Meg… It’s getting weird now…

This project was pretty tedious at points but we easily completed a couple hundred feet of fence line in 3-4 days. We LOVE how the mulch border turned out! We still have a little ways to go, so be sure to follow us on Instagram for updates! On Thursday we’ll have an update for you on our basement window situation and what we have planned! See you then!

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3 thoughts on “LAYING A MULCH BORDER UNDER OUR FENCE”

  1. Rachel says:
    June 21, 2021 at 7:30 am

    Hi, I came upon your site because I was googling weather its a good idea to plant flowers and add mulch along a fence… I was worried it would cause the fence to rot quicker if it touches the mulch. How is your fence going now?

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    1. Megan says:
      June 21, 2021 at 8:08 am

      Hi there! Our fence is doing great! We were sure to dig the trench down far enough to allow for a one inch gap between the mulch and the pickets. You’re right- you don’t want the mulch touching any wood that’s not pressure treated! Hope your garden plans work out for you! It’s a decent amount of digging but so worth it!

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  2. Kosmetyki Naturalne says:
    October 16, 2024 at 8:26 pm

    This was really interesting. Thanks for taking the time to share it!

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