How can I get rid of stickers from my yard permanently?

Answer 1

Most broadleaf herbicides will effectively control punturevine but it requires repeated applications throughout the growing season. Aside from physically removing them, Roundup, Triclopyr or 2,4-D are effective once they've germinated.

There are few pre-emergent herbicides that are effective that contain; oryzalin, benefin, or trifluralin will provide partial control of germinating seeds. These must be applied prior to germination (late winter to midspring).

Since the seedheads are viable for 4 to 5 years, they can emerge anytime once subjected to favorable germination conditions.

There is a bioligical control called puncturvine weevils that are very effective and once applied, will continue to forage on puncturvine stickers (aka goatheads).

The female weevils chew into the side of a young (green) puncturevine bur, deposit their eggs into the seed and seal it with fecal material. Females may deposit up to 324 eggs. Weevils grubs develop inside the seed and pupate therein. Each seed may produce 1-3 weevils. The life cycle from egg to adult requires about 25 days. Adult weevils may feed on the plant but do not cause appreciable damage to the plant. The number of generations per year depends on the climate. Adults overwinter in plant duff.

Here's the one of the many websites where they can be purchased;

http://www.goatheads.com/home/gh1/page_43_13/puncturevine_weevils.html

Hope this information helped answer your question.
GOOD LUCK!

(certified professional crop advisor with plant science degree)

Answer 2

find the person who is placing the stickers around your house and have them arrested

Answer 3

Try Round-up and keep after them. Mix it more strongly than they say.

Answer 4

put some bleach on the plant this will kill the plant