The mow-free lawn

Brassinosteroids in tobacco plants: The level of brassinosteroids regulates both the size and aging of tobacco. With low levels, tobacco is dwarfed (some as small as 10 inches tall; see plant in front) and the leaves do not age, while at normal levels of brassinosteroids, tobacco stands almost 6 feet tall and the leaves turn yellow as they age (plant in back). Photo courtesy Michael Neff and Joanne Chory.

I am all over this idea. While I don’t personally mind mowing, I know lots of people do, and truthfully, while I don’t mind, I sure would like the additional free time!

In a paper in the May 4 issue of Nature, scientists from the Howard Hughes Medical Institute report that they have figured out a class of hormones that regulates growth in plants – including grass! And while this would be great for me, there are a lot of other good things that could come of this besides a mow-free yard, such as the development of trees that could be halted at a specific height so that they don’t interfere with power lines, raspberry bushes grown taller so that they are easier to pick, and increase the yields of crops such as corn or soybeans.

The key hormones are called brassinosteroids. With this new knowledge regarding brassinosteroids scientists may be able to stop growth in yard grass by limiting brassinosteroids or increase the yield of a crop by increasing brassinosteroids. Increasing crop yields would be very useful, especially considering urban expansion and the loss of farmland worldwide and steadily increasing global populations.

I can’t wait until the mow-free lawn becomes a product – but we’re likely many years away from that happening. Until then, I’ll keep mowing – or just replace my lawn with Field Turf.

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