Yucca Need to Kill (How)
A deck is being built over two yucca plants that I need to get rid of. Is digging out the only way? I heard roots are 4 feet long.
Certified GKH Gardening Expert
To kill it, cut it down as close to the ground as possible and then paint the fresh cut with concentrated Round-up. Keep an eye on it and if you see any shoots, you can repeat this process. This article will also help: https://www.gardeningknowhow.com/ornamental/foliage/yucca/removing-yucca.htm