A big clue
When your landscaper uses a line edger in your planted beds for weed control, you know you have a problem. Lawn care machines don’t belong in planted beds; it’s a sign of desperation. It’s also unsafe because you can damage plants and launch stones into elderly passersby or windows.
I see this done when landscapers try to move out as quickly as possible, probably on the way to their next gig. Weeding is time-consuming. Perhaps it’s time to get a new residential landscape contractor.
One big clue is landscape fabric showing in the soil. Now, I’m not a fan of landscape fabric because over time, it doesn’t work. It clogs up and doesn’t allow water through. The sales dude at your local garden store doesn’t tell you that. He assures you that with fabric in place, you won’t have to worry about weeds.
If you must use landscape fabric, bury with at least two inches of mulch. This will deprive the weeds of sunlight. Dr. Linda Chalker-Scott has convincingly shown that going light on mulch can actually help the weeds. This is because they still get light and moisture protection from the skinny mulch. Making weeds feel cozy in your garden is a bad idea.
I made two suggestions to my new residential clients. One, leave everything as is, and pay me to hand weed their garden every month. I use hand tools, buckets and tarps to weed, never machines. That’s desperately amateurish, in my humble opinion. This option keeps my kids well-fed.
Two, bury the existing landscape fabric with at least two inches of mulch, and see me less often. Remember that weeds will be blown in or deposited by birds, so you will get weeds. But if you pay for regular maintenance visits, your garden will look great. With this option, my kids will still be well-fed but I will have to hustle elsewhere.
When you start seeing exposed landscape fabric and weeds, it’s time to top up your mulch or soil. I suggest two inches. And if your landscaper line trims your garden weeds, look for a better residential landscape company. Like this one.