Some weeds have tenacious qualities that can completely frustrate a gardener. It's the rare garden who experiences no weed problems, and most gardeners fight weeds with consistent effort and hard work. Weeds compete with plants for both water and nutrients. Removing weeds from any garden doesn't involve simply spraying a herbicide and walking away. Learning how to get rid of weeds in your perennial garden can improve both the look of your garden bed and the health of your plants.
Put on your gardening gloves and grubby clothes, and grab a lawn waste bag. You need to make sure that every weed, root and seed ends up in the waste bag for removal from your yard.
Dig straight down wiht a trowel about 4 to 6 inches into the soil right next to a weed. Loosen the soil around the circumference, and remove the weed. Try to get every bit of root possible, since many weeds send out trailers that can travel for many feet.
Use the trowel to dig up whatever soil is necessary to allow you to follow all roots. Every root you remove and dispose of will result in fewer weeds in your perennial garden.
Weed large gardens by carefully using a hoe to loosen the top layer of soil for easier weed removal. Using a hoe or rake often simply removes the weed at the surface instead of getting the root as well.
Apply a 4- to 5-inch layer of good-quality mulch to your perennial garden. Mulch naturally suppresses weeds, blocking leaves from the sunlight and air that fuels weed growth.
Resort to extreme measures when dealing with difficult weeds by staking sections of thick, clear plastic of drop-cloth quality over weedy areas in your garden. Press the plant stakes into the corners of the plastic to secure it firmly to the ground. Weeds will fry to a crisp within 4 to 6 weeks when the hot sun hits the plastic.