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Rooting for Spring

3/1/2017

2 Comments

 
​We think of plants by what we see, but flowers and leaves…stems and seedheads are actually the expression of what we don’t see – roots. A few days ago, I found the diagram shown below that compares root systems of native plants in comparison to turf grass.  It was wildly exciting to find, because in a simple, straightforward way, the diagram makes obvious several things that are always hidden…i.e., roots.
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​At the heart of a plants ability to bloom, grow, thrive and spread is its roots.  Typically, root systems are much more extensive down into the earth than the parts of a plant you see.  If, for example, you see a coneflower, you think about the pellets, the seedhead, the eye, the stem and leaves, but all of that is dependent on its roots. 
 
Native plants have evolved to know the natural conditions of its place.  The roots reach into the soil to retrieve water and nutrients in ways that keep them healthy during stressful times such as when its super hot or dry outdoors.  These evolutionary traits aren’t just about survival though.  Often, you will find native plants thriving in harsh summer weather. 
 
When non-natives, or plants with less dynamic roots systems find themselves in hard situations, they can’t survive without human interaction.  You have to turn on the sprinklers and feed them cocktails of artificial fertilizers to keep them from dying. 
 
Below is another image that compares native natives with turf grass and other non-natives.  It's obvious that standard lawn grass and non-natives have ineffective roots for dry periods. When thinking about why lawns have to be managed so much, why you have to mow them, water them and feed them chemicals, the image relieves it instantly.  The root systems of most lawn grasses are just not deep enough to give them a chance.  Plants with such shallow roots have evolved in regions that are almost always moist.  In fact, when you look into the linage of many lawn grasses, you will find they come from places like the United Kingdoms and Europe where weather cycles are more like the northwestern parts of the United States – cool and rainy. 
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​Once natives establish themselves, you often don’t need watering from sprinklers during the warmer months.  Every inch of lawn that is retrofitted with native plants represents gallons upon gallons of water saved every year. 
 
There are some lawn grasses that do have dynamic roots systems such as our customized blend called Super Awesome Lawn Seed.  The roots for the species in the mix dig deep into the soil and establish themselves similarly as the roots of the native plants shown in the diagram.  It needs watering the first couple of years after it is planted, but it, too, can thrive without irrigation.  It, also, doesn’t grow very tall so you can have an almost maintenance free lawn. 
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​You can also have a nearly maintenance-free lawn if you trade your short rooted grasses for native plants.  You can turn from the traditional mowed look and instead create a meadow of coneflowers, blazing stars and indigos.  Or, you can create a dramatic wooded edge with fern, cardinal flowers and other shade-loving plants.  The sky’s the limit once the benefits are really understood…or should I say, the soil has no depth deep enough to stop you from finding nature at your doorstep.
Want More about Lawn and Grass:
​The Grass of Your Labor
Yard Detox Challenge: Are You Cutting Your Grass Too Much?
The EASY Way to Make the Most of Your Planter
Healthy Soil for Fighting Climate Change
2 Comments
Mimi Gussow
11/13/2020 02:36:10 pm

I would be very interested in obtaining a few copies of the above drawing " Root Systems of Native Plants". One would be for me and others I would like to give to people I am encouraging to plant natives.

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Recipes with Tom link
12/17/2020 03:01:28 am

Goodd reading

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    The goal is to make this blog a resource for helpful tips and sustainable ideas.  I create original content that shows projects in progress and the behind-the-scenes of installation.  And, I try to have as much fun as I can doing it.

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Photos used under Creative Commons from Just chaos, t-mizo