Watching things grow in your green space over time can be one of the most satisfying aspects of gardening. It’s incredible that such vibrant, sometimes fruit-bearing plants can sprout from a tiny seed with just a little care and attention.
But not everything growing in your garden is welcome.
“This thing has grown from a sprout to reaching the top of a fence in under a month”.
The aggressively growing plant was a bull thistle, which is invasive in most parts of North America. The National Park Service notes that bull thistles can live for around two years, but their seeds can be dispersed easily by the wind or passing animals.
“Don’t let it bloom and go to seed”. “You will never see the end of it.”
“Thistle. Super invasive. Kill it with fire”.
But getting rid of thistles isn’t exactly a pleasant task. Their spiny leaves can give a nasty pinch, and the roots can be a bit of a nightmare to extract from the soil.
You also might be wary of using herbicides to deal with the problem, as spraying can see the substance travel to parts of your garden that you didn’t intend. Furthermore, chemicals in some weird killers are known carcinogens.
“Use a couple squirts of white vinegar,”. “If you get ‘cleaning vinegar’ which is just stronger concentration white vinegar sold in hardware stores and in the cleaning section of grocery stores, you’ll find it works even better for killing weeds than regular food-grade white vinegar.”
The thistle — Scotland’s national flower — might produce attractive purple flowers, but the aesthetics aren’t worth the work needed to deal with abundant sprouts in years to come.
What’s more, the weeds will likely compete with native plants for soil, nutrients, space, and water, which will be detrimental to the local ecosystem.
So if you find them in your garden, bring out the cleaning vinegar from your kitchen cupboard. Some gloves and a shovel might be handy, too.