Death to Oxalis
Easy to use way of controlling white, pink, or purple flowering oxalis. Not effective for controlling yellow flowering oxalis. Death to Oxalis is a non-hazardous powder, which when made into a spray and applied to oxalis leaves causes them to defoliate. Repeat applications to completely control the bulb are necessary.
Also contains magnesium, potassium, chloride and carbonates
Dissolve Death to Oxalis in water.
Add a wetting agent such as sprayfix for increased effectiveness.
Spray on leaves and flowers, preferably on a hot dry day. Works best in full sun.
Spray again in two days and then again as necessary.