Husker Hort

A Nebraska View of Horticulture

Snow, Ice, and Everything Nice!

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Frost Damage by Paper Boy- Photo Zac Reicher

Frost Damage by Paper Boy
Photo Zac Reicher

Winter can be a beautiful time of the year.  The gracefully falling snow or frost on the plants in the morning sun can be an attractive sight to some.  To others, it just means more work outside.  Regardless of how you feel, these winter conditions should remind everyone to think about their turf this winter.  That’s right, I said turf.  While the frost and snow are pretty, there are some steps that you can take now to ensure a beautiful looking lawn come spring.

Frost can do more than cause you to scrape your windshield.  Walking or driving across frozen turf may seem safe enough, but it can actually cause damage to the lawn which will be visible come spring.  When the grass blades freeze, they become brittle.  There are many theories as to how the frost damages the living turf tissues, but the most common belief is that the ice crystals damage the plants’ cells when they are forced into the leaf by the weight of a foot or wheel.  Early morning dog walkers, newspaper deliverers, golfers, or joggers can do significant cosmetic damage on frosted turf.  If done repeatedly, this could mean reseeding the area come spring.

It is fairly easy to spot the depressed footprints in the frosted turf, but once the frost melts the damage has a little different appearance.  The damage to the frozen turf first appears as a blackening of the leaves which gradually turns to a brown or tan color.  There is some good news though.  In the spring, turf suffering from damage due to foot traffic while frozen will normally recover after two to four mowings.

Snow may mean more work for some people, but it can be beneficial to turf.  A blanket of snow across the turf can help to protect it from the harsh winter winds and help to insulate it from the freezing temperatures.  On the other hand, snow can also cause damage to lawns.  Heavy piles of snow and deicers are often the culprits.  When scooping, avoid heaving piles of snow on the turf.  Snow that has fallen naturally isn’t as dense and compacted as shoveled snow can be.  If possible, try to disperse the snow and avoid the tall heavy piles.

Building a snowman is another fun snow-time activity that could also have an effect on your turf.  The densely packed balls of snow melt slower than the rest of the snow on the ground.  After a warm spell just Frosty remains.  These remnants of a fun afternoon could also cause damage due to the weight of the heavily compacted snow and the slower melting of the large snowballs.  To avoid Frosty’s revenge, break up the snowballs left by the snowman as the temperatures warm up and the surrounding snow begins to melts.

Take precautions now with these winter-time activities to keep you lawns looking their best this coming spring.

Upcoming Programs:

Extension Master Gardener Program- Two training sessions will be held at the UNL Extension in Hall County meeting rooms in Grand Island.  Session 1: Tuesday evenings, February 11 through March 25, 6:00 to 9:00 PM.  Session 2: March 17, 19, 21, 24, 26, and 28 from 9:00 a.m. to 4:00 p.m.  Please contact Elizabeth Killinger, 308-385-5088, with any questions about the program.  Registrations are due prior to January 17 with the session you are interested in attending.  More information, updated schedules, and an application can be found at http://hall.unl.edu

For more information contact Elizabeth Killinger at elizabeth.killinger@unl.edu, 308-385-5088, on Facebook, Twitter, her blog at https://huskerhort.wordpress.com/, or visit the University of Nebraska-Lincoln Extension website: hall.unl.edu.

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Author: Elizabeth Killinger

A Nebraska Extension Educator out of Hall County with a focus in horticulture and sustainable landscapes.

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