Of all the problems that plague a garden, soil-borne pathogens are the worst. Here’s what to do when a fungus wrecks your plants.
Soil-borne diseases like fungus are one of the most frustrating things a gardener can deal with because you don’t know it’s there until it makes your plant sick. And once you realize there’s fungus in your soil, it’s not easy to get rid of it. Soil-born diseases can live in your soil for a long time, waiting for you to put a plant in the ground. Once you do, the pathogen hops aboard that hapless host plant and spreads through your garden like wildfire.
What Is Fungus in Garden Soil?
If you’re not sure what sort of fungus is messing with your garden soil, take a sample into your local Extension office for a free soil test. The local office is part of the Cooperative Extension System, a nationwide network of universities and federal, state and local governments that collaborate to teach you to be a better gardener, among other things.
How Do I Get Rid of Fungus in Garden Soil?
- Get rid of the sick plants. Once your garden is infected, you can’t save the plants. Dig up the sick ones and throw them in a trash can, not a compost pile, so the fungal disease won’t spread.
- Clean up all garden debris at the end of the season. Cut down the perennials, pull up the annuals, rake up leaves and haul it all out, because fungus can feed on dead plants over the winter.
- Rotate your crops. Plant crops in different places in your garden then you did last year. Move the tomatoes to the spot where you had marigolds or the herbs to the spot where you had potatoes. If your garden isn’t big enough for this, don’t plant anything in the garden for a year or two so soil fungus has no host plants to feed on. You can plant in containers for a year so you don’t go without fresh veggies, then switch back to the ground garden next year.
- Plant disease-resistant varieties. Look for veggie and herb varieties that have been bred to resist common soil-borne diseases.
- Use a fungicide. Apply a fungicide early and often to your garden plants, before they get sick. Because the best defense is a good offense.
How Do I Get Rid of Soil-Borne Fungus in Containers?
Good gardening advice from: