Chris Kott wrote:Hi Mj. I agree with your assessment about the replacement strategy. That would be a lot of continuous work.
I recently suggested a flame weeder to family with a rock garden. They had been using roundup previously. Another option that might work is spraying with cleaning-strength vinegar. Also, if you have access to crushed lime to top up your gravel, and if the stuff growing in your gravel doesn't like the corresponding change in pH, that might do it for you, as well as filling in air spaces and blocking out sun access.
I hope you find a solution you like. Good luck, and keep us posted.
Artie Scott wrote:Hi MJ, just curious, what concern are you trying to address? Is it the aesthetics, or something else? In my experience, gravel begs for weeds to grow up through it. It is permeable, and the stone and fines do a great job of acting as a mulch, conserving moisture to nurture the little weed seeds till they sink deep roots. Unless it is heavily trafficked, it will grow weeds. Look at any gravel driveway with a strip of grass down the center. Honestly, it is easier to get grass and weeds to grow in my gravel driveway where I don’t want them than it is in my pasture where i try everything to get it going!
It isn’t necessarily bad though - if the point of the gravel is to support foot or vehicle traffic, it will still do that even with the weeds or grasses growing through it. It likely even helps reduce erosion and washing away of the gravel in heavy rain events, and doesn’t absorb as much heat. You would need to mow it periodically tho, so that’s a negative. It might also be somewhat more slippery when wet, depending on how thick it gets.
I think the best option if it is for appearance is to invest in a landscape rake for your tractor or riding mower, as Skandi suggests, and rake it regularly.