Weed-opedia: Lawn Burweed (Spurweed)
Burweed (Soliva Sessilis)
What does it look like?: Short–only about 2 inches high and up to 6 inches wide. Has feathery foliage, with a fern-like appearance, hairy stems and prickly seed pods that can hurt when pulled or stepped on.
What causes it?: Thin turf
When does it show up?: Late winter/early spring. Blooms April through June. High temperatures will kill it, but that comes after the seeds have already been set.
Best treatment plan: Treat with a post-emergent in later winter to prevent plants from maturing and reproducing. Call a professional for a free quote.
How long will it take to get rid of it?: Treating with a post-emergent will prevent that year’s crop from maturing.