I ran across this Car Talk puzzler that was turf related so I thought I would post it to the turf website. The first to solve this puzzler wins a prize.  

Answer posted! Click here.

Insta-Lawn (adapted from Car Talk Puzzler linked below)

A guy goes to a nursery and says, “I just bought a new house, and my entire lawn is dirt. It’s almost June 1, and I’m having a party for my mother-in-law on July 1. If I don’t have a lawn full of grass, I’ll never hear the end of it! And, oh, by the way, I can’t afford sod.

The nursery guy says, “We have the perfect solution. Plant this plug of grass in a central location. Every day, it will double in size.” The nursery guy then calculates that one plug is enough to cover the yard by June 30.

“When you lawn is fully grown,” he adds, “spray this lawn arrester on it so that the grass doesn’t consume your car, your house, and your kids.”

The homeowner buys two plugs, just to be safe.

Here’s the question: If one plug would give him a lawn in 30 days, how quickly will two plugs do the job?

PRIZE: The first person to email (ajpatton@uark.edu) me the correct answer will win one free registration ($50-$65 value) to either our upcoming Landscape and Turf Seminar (Dec. 1, 2009 in Rogers, AR) or the Turf Basics Seminar (Dec. 1, 2009 in Rogers, AR). More information about this events is available at: Events Calendar. The answer will be posted next week. Awarded to Kenneth Sawyer, Texarkana, AR.


  1. If you need advice on your lawn, a nursery is not always the best place to start. Visit your local agent at the Cooperative Extension Service or visit http://turf.uark.edu/ for a helpful list of publications.
  2. No grass grows this fast. Not even bermudagrass!
  3. There is no such thing as lawn arrester. An application of glyphosate will stop the growth and kill the lawn, but I don’t think that’s what this make-believe situation had in mind.


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