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Home » Some plants are super invasive even though they are still being sold. Here are 7 common ones to never plant in your yard and why

Some plants are super invasive even though they are still being sold. Here are 7 common ones to never plant in your yard and why

    I love experimenting in my garden, but over the years, I’ve learned some plants are better admired from a distance! After battling invasive roots, toxic leaves, and plants that seemed determined to take over, I now have a list of plants I’ll never, ever bring back to my garden. Here’s my experience with each, so you can save yourself the hassle (and a few headaches).

    1. Mint

    I love the smell of fresh mint and imagined a nice little mint corner in my garden. Big mistake! Within weeks, it spread everywhere, popping up in spots I hadn’t even planted it. I tried digging it up, but those roots spread like wildfire. If you love mint, keep it in a pot. It’s a wonderful herb, but in the ground, it’s relentless and will take over quicker than you can say “mojito.”

    2. Bamboo

    Bamboo seemed like such a stylish idea, and it has a lovely, tropical look. I’d read that it can grow quickly, but I didn’t realise *how* quickly. Once it gets going, it’s nearly impossible to contain. The roots are incredibly invasive and can even damage foundations and pathways. I had to dig and dig (and dig some more) to get rid of it. If you’re considering bamboo, only use a clumping variety and keep it in a container—far away from anything you care about!

    3. English Ivy

    English ivy is beautiful, with that romantic, cottage-garden look. But once it starts climbing, it doesn’t stop. It latched onto my fences, my shed, and even started creeping up the trees. It’s also a nightmare to remove, as it sticks to surfaces and pulls the paint off when you try to remove it. Not only is it invasive, but it can actually damage buildings and trees over time. If you like the look, try it in a container or hanging basket where it’s easier to control.

    4. Wisteria

    Oh, wisteria! I’ve always admired those stunning, drooping purple blooms. So, I planted it by my pergola, imagining a beautiful canopy. What I didn’t realise was that wisteria’s roots are incredibly strong, and the vines become thick and heavy, wrapping around everything in sight. It even started twisting around my outdoor furniture! Wisteria is lovely, but it needs constant pruning and space to spread out—preferably far from anything it could damage.

    5. Japanese Knotweed

    This plant was, hands down, the biggest gardening disaster I’ve ever experienced. I didn’t realise it was Japanese knotweed at first (it was a gift from a neighbour!). Once it took hold, it became a nightmare. Japanese knotweed can grow through concrete and cause major damage to foundations and walls. It took me ages to remove it, and even now, I keep an eye out for any sign of its return. If you see this plant anywhere near your garden, just walk away.

    6. Yellow Flag Iris

    Yellow flag iris looks stunning, especially around ponds and water features, with its bright, cheery blooms. I thought it would be perfect near my little pond, but this plant quickly went from pretty to pesky. It spreads like mad in moist soil, and I had a hard time controlling it. Eventually, I had to dig out the whole area and start again to get rid of it. While it’s beautiful, it’s also highly invasive and should be avoided unless you have a contained wetland space where it can’t spread.

    7. Rhubarb (If You Have Pets)

    Rhubarb is one I didn’t realise could be problematic until my dog decided to have a nibble. The leaves are highly toxic to both pets and humans, and my heart sank when I saw my dog near it. Thankfully, he was fine, but I couldn’t risk keeping it around. If you have pets or young children, I’d think twice about planting rhubarb. The stalks are delicious, but it’s just not worth the worry if you’ve got curious creatures around.

    ### Final Thoughts: Choose Wisely for a Happy Garden

    Every one of these plants taught me something about gardening—and a bit about patience too! While they’re beautiful and useful in the right setting, they come with a lot of challenges. Gardening should be enjoyable, not a battle against invasions, tangled roots, and pet hazards. By avoiding these plants (or at least planting them in containers), I’ve managed to keep my garden a bit more peaceful.

    So, if you’re considering adding any of these to your garden, think carefully! Sometimes, less really is more when it comes to maintaining a beautiful, manageable space. Happy gardening! 🌱