The best way to Kill Periwinkle Without Killing Everything Else
Periwinkle is a vine which is considered an invasive weed in many areas of the United States. The periwinkle thrives in USDA plant hardiness zones 4 through 11 and grows in full sunlight or shade. The periwinkle that is intense creates runners across the the top of soil, that may sprout new development. Without harming vegetation killing periwinkle is a time consuming process. Mowing or cutting will simply trigger the plant to develop in abundance. Fortunately, out of your home, it is possible to clear the periwinkle with labor and diligence.
Remove the runners that are periwinkle in the ground using a garden rake. Stuff the eliminated runners right into a garbage-bag. When eliminating runners near vegetation which you don’t want to hurt use your hand as an alternative to the backyard rake.
Dig the periwinkle and its own roots from the soil about 3 to 4 inches deep. The soil, roots and crops in a garbage-bag. Don’t discard plant or the soil in a different location. Doing so will result in periwinkle development because area.
Cover the area with plastic. Place blocks, rocks or wood on the edges of the plastic to weigh down it. The plastic will heat the region underneath, killing the crops. Leave the plastic in place for 3 to 4 months. Examine the plastic frequently and change it if the black-plastic develops rips or holes.
Monitor the region frequently and eliminate its own roots and any periwinkle development using a shovel. Place soil and the plant in a garbage-bag.