Yellow Woodsorrel (Oxalis stricta) Control

Q: These weeds have taken over my beds. Can you help? What should I use to kill?
A: The weed is yellow wood sorrel, Oxalis stricta, sometimes called yellow clover. It is tough to control. It arises from a taproot each year and scatters copious seeds during its blooming season.
In an empty bed, glyphosate (click for sources) or any broadleaf weed killer (click for sources) will kill the green top growth but the root will probably resprout. This means you have to apply the product multiple times until the oxalis is altogether dead.
If it is presently growing among flowers, dip a foam sponge in weed killer and brush the chemical onto the weed leaves.
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January calendar
January is typically the coldest winter month. Still, you can accomplish such garden tasks as sharpening...
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Popular topics
Soil Spring Summer Seed Winter Fall Flowers Weed Fertilizer Disease Shade Temperature Pine Pots Oak Mulch Pruning Watering Container Maple Compost Herbicide Birds Moisture Tomatoes Azalea Poison Pears Hydrangea Glyphosate Cherry Caterpillar Pests Roundup Irrigation Pre-Emergent Stone Pesticide Dogwood Peach Pine Straw Spider Greenhouse Magnolia Squash Beans Squirrels Poisonous Travel Lemon
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Browse and purchase gardening books by Walter Reeves, plus select titles by other authors.
View books -
-
January calendar
January is typically the coldest winter month. Still, you can accomplish such garden tasks as sharpening...
Get The Checklist
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-
Popular topics
Soil Spring Summer Seed Winter Fall Flowers Weed Fertilizer Disease Shade Temperature Pine Pots Oak Mulch Pruning Watering Container Maple Compost Herbicide Birds Moisture Tomatoes Azalea Poison Pears Hydrangea Glyphosate Cherry Caterpillar Pests Roundup Irrigation Pre-Emergent Stone Pesticide Dogwood Peach Pine Straw Spider Greenhouse Magnolia Squash Beans Squirrels Poisonous Travel Lemon