Your Lawn : To Water, or Not to Water?

July 12, 2012

How can you keep your lawn healthy when it’s hot and dry? If you want a green lawn when the weather is hot and dry, it is going be tough, as you are fighting Mother Nature. You see, in northern climates, including Southern Ontario, turf is composed of cool season grasses such as Kentucky Blue Grass, Fescues and Perennial Ryes. Their most active growing periods are in the spring and fall when temperatures are moderate and precipitation events are more frequent. These species have their dormancy period during the hot and dry summer months and over the winter.

Lawns in northern climates naturally go dormant when the weather gets hot.

So, our turf is smart; it knows when the best times of the year are to grow and which ones are not. When it gets hot and dry, the grass begins to go dormant to protect itself from stress, damage and possible death. According to the Ontario Ministry of Agriculture and Food, healthy cool season turf grass can survive up to six weeks without rain during the summer.

If your grass goes into dormancy (turns yellow), and then you decide to water it, you can cause a lot of stress. Consider being woken from a sleep with a bucket of cold water, it would be a bit of shock. However, grass can get up and run after the culprit…

Keeping your grass green and lush during a hot dry summer will take work and a LOT of water. You will have to continue to water your lawn throughout the summer to prevent the grass from ever going into dormancy. It may mean a fabulous looking green lawn, but you are breaking the turf’s natural tendency to go into dormancy. You will also be wasting drinking water, water that has to be pumped, purified and delivered to your tap by your local municipality. That takes a lot of energy, energy that causes carbon emissions, contributing to smog and poor air quality. And then you get your water bill… Although we don’t pay a lot for water in Canada, it still adds up.

Basically you have three options for your lawn;

Option 1: Let it go into dormancy. Stay off it at this time and monitor for chinch bugs, which may take advantage of your sleeping lawn. (see http://www.omafra.gov.on.ca/english/crops/facts/08-019.htm  for details)

The benefits:

  • You won’t have to mow your lawn so often.
  • Less money spent on your water bill.
  • More time to spend doing fun things with your friend and family, instead of worrying about your lawn.
  • You be reducing the demand on municipal water systems and air quality.
  • No more wrestling with the hose.
  • You are helping the environment by doing absolutely nothing.

Option 2: Be that guy and spend your free time, energy and money fighting Mother Nature to keep your lawn from going dormant. You may have the best looking green lawn on the block, but you may end up being the oddball on the block.  Across Canada, almost half of the population no longer waters their lawns, less than 20% water their lawns on a regular basis.

A green lawn that will need a LOT of water!

The benefits:

  • A green lawn that stands out. Neighbours will walk by and comment on how your lawn is one of the few on the block with a green lawn.
  • The time spent watering and mowing your lawn means you will have less time to spend with your in-laws.
  • Who know what fabulous ideas you will come up with while you spend hours mindlessly watering and mowing the lawn?

Option 3: Consider alternatives to turf. Typically you see suggestions to get rid of your lawn and plant a garden. Healthy turf can go six weeks without water. If you are replacing your lawn with a garden, make sure the garden won’t need more water and maintenance than the lawn would have. Consider sedums, succulents, decorative stonework, mulched areas, larger deck and outdoor living areas or more tree and shrubs (with mulch, good soil and the right species, an established shrub bed can last weeks in a dry spell). You could also try a clover lawn, which stays green in the summer and fixes its own nitorgen, eliminating the need for fertlizer!

The benefits:

  • A trendy, easy to care for alternative to the suburban lawn.
  • Better looking landscape in a drought.
  • NO MORE MOWING.
  • More livable space to spend all the extra time you will have with your loved ones.
  • Better curb appeal for your home.

Some ideas:

A lawn alternative idea for a sunny spot. From www.gardensnob.com

Lawn alternative for shade. From www.richlanddesign.com

A little bit of grass in this one… but you get the idea. From http://www.alonsolandscapeservice.com

Here is a link to another blog with some nice ideas for lawn alternatives: http://jocelynsgarden.blogspot.com/2011/08/garden-designers-roundtable-lawn.html (it is from down south, but use the concepts, they still work up north).

It’s your choice folks.

Happy gardening….

Aileen

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