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Grub Control w/o pesticides? Why yes... consider Milky Spore
Lawn mowing... how high should I cut my grass?
Is there a disease in your lawn?
Ants "eating" your house?
Leaves as fertilizer?


compacted clay soil
core aeration
crabgrass control
dog urine spots
fall lawn fertilizing
garden tips
green spring lawn
lawn aeration
lawn care
lawn disease
Lawn Mowing
lawn winterizing
Leaves... bag them or mulch them?
organic control of brown spots
organic crabgrass control
organic garden tips
organic grub control
Organic lawn care
organic lawn care, calcium, gypsum, dog urine spots on lawn
organic tree care
pure prairie organics
snow mold
Summer Lawn Care Tips
Tree care
Weather report
weed control
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Lawn Clippings (Bill's blog)


Summer Lawn Care Tips

Pure Prairie Organics
 Summer 2016                                        pureprairieorganics@gmail.com                                          

Here are some tips for keeping your lawn nice over the summer:
  • Mow the grass at  least 3 inches tall... this will be beneficial for many reasons.  If the grass is left tall it will use it’s energy to grow the root system deeper, this is good because it will find it’s own water when it gets dry out.  
Also tall grass will shade the soil keeping moisture there to be used instead of evaporating.       
  • Water the lawn when you can,  We have not had much rain lately so if you want the lawn to green up you will need to water for 30 min 2-3 times per week.

The best kind of mulch for the Chicago area

Hi Everybody!

This great weather means we will all be out doing our gardening this week.

I wanted to make a quick recommendation about mulch;  For the Chicago area the best mulch to use is the free mulch from the tree chipper guys.  Whether it's from the village or the Township or the local tree trimmers, the local wood chip mulch works great for our plants and soil.  

Sometimes people ask me about diseases but we don't need to worry about that.  A healthy tree knows how to take good care of itself and a big part of tree health is the right kind of mulch.

Gas stations are selling cedar and cypress mulch but plants don't like it so we should not use it.  And the colored stuff is an absolute disaster.

Happy gardening and contact Chris to schedule lawn and tree feeding to make your plants happy and healthy.

Take care Everybody!


Heavy rains and our evaporation rate here in Chicago

Hi Everybody!

Yesterday we got another two/thirds inch of rain to go with the 7" we got last week.  My basement was just starting to dry out!  We have had fans going non stop for five days now.

Last year was very sunny which is code for dry.  Well, any deficit from last year is long gone.  I'm sure those of you on wells now have a very high water table to draw from.

Our subsoil moisture has been thoroughly replenished.  This wet period began in late January and for a long time the creeks were dry or very low as the water percolated into the very dry soil.

A couple weeks ago the creeks started running a little higher as the soils were getting replenished and some rainfall was beginning to runoff and flow downstream.  And then we got 7" last Thursday which has saturated everything.


Here is something no one thinks about; Our evaporation rate.

Even tho we got all that rain last Thursday, by Monday afternoon the soil was dry enough to begin gardening.

As I have mentioned before, DO NOT WORK THE SOIL WHEN IT IS WET!!  It will set up like cement.  But one of the secrets of gardening in the Chicago area is that we dry out very quickly.

If your soil is wet then just wait a few hours or a day or two and it will be just right.

This is really important to know in the summertime.  People will tell me that their lawn should be fine because it rained a few days before but I remind them that in the summertime we evaporate one and a half inches of water PER WEEK  !!  

The average sprinkler puts out a half inch of water per hour so that is three hours of water just to replace what evaporated!  

Most people just look at the rainfall but no one considers how quickly we evaporate it back into the air.

If the sun is out and there is a light breeze, it is amazing how fast our sidewalks dry off and we can get back into our gardens.

I lived in Seattle for five years.  In the time I was there we had a one inch rain only ONE time !!  It took two weeks to dry everything out.

We get one inch rains all the time!  And three hours later the sidewalks are dry and we are out walking the dogs.

In the Chicago area, it is very important for gardeners to understand this point and to know how our strong evaporation rate has such a strong influence on our gardening.  

We get the same amount of rain as Seattle! The temperature is much cooler there so the evaporation rate is very low.  We are much warmer so we evaporate quicker.


Just as Nancy McEwen predicted, our warm up begins this weekend and next week it looks sunny and 70 with the farmers and gardeners getting in *lots* of field work.

We are getting in lots of field work as well.  For expert lawn and tree care In the Western suburbs of Chicago contact Chris Burisek at pureprairieorganics@gmail.com and schedule an estimate for us to feed your lawn and trees the nutrients that are designed to make your plants healthy and happy and resistant to bugs, diseases and drought.

Happy gardening everybody and leave a comment if you have a question on something in your garden.



Organic crabgrass control, weather report for April/May

Hi Everybody!

Here is a  reminder of what my weathercaster, Nancy,
wrote for April 2013;

April will have more clouds than sun. There should be frequent drizzle or light rains but thunderstorms could quickly turn severe, with strong winds, heavy rain or even thunder snow. Temperatures fluctuate wildly, with a couple of isolated heat spikes in the middle of the month. However, there’s still the possibility of light snow through April 21, with lows frequently in the 30s. The big warm-up finally happens near April 22.

And for May, 2013

Dreary (cloudy/light rain) days alternate with sunny days in a typical springtime weather pattern.  Heat spikes remind us that summer is near.  Thunderstorms that do form could quickly turn severe.


So May looks similar to April with warmer temperatures.

The overnight temperatures that Nancy is forecasting are all above 40 degrees so we gardeners will be able to put our plants in the ground the end of April.  The official frost free date for the Western Suburbs is May 31 with most people planting their gardens after Mother's Day and protecting the plants when needed.


Little by little our lawns are greening up.  The best way to control crabgrass is with gypsum.  Crabgrass comes up from seed every year.  Crabgrass seed germinates when the soil temperature is above 60 degrees for three consecutive days.  This usually doesn't happen until June so applying a chemical crabgrass preventer right now is not a good idea.  The chemical will wear off in about 6 weeks so you don't really get much control and anyway it's too cold for the seed to germinate.

Here is a secret that no one knows; Crabgrass only germinates where there is salt.  Gypsum neutralizes salt.  It's even on the bag of gypsum!  Go to Home Depot and find the pallet of gypsum in the gardening section and read the label.  It will say 1) neutralizes road salt  2) neutralizes dog urine spots and  3) softens clay soils.

What's not to like?  The amount of gypsum to use to neutralize road salt is on the bag but we usually do one 40# bag per 1,000 sq ft  and apply it out by the curb where the snow trucks push the snow.  We also apply a half bag of gypsum along each side of the driveway to neutralize the salt coming off our tires.


Here is a cute little trick that I use to know when the soil is warming up;  

Dandelions bloom when the soil temperature is between 50 and 55.

Fifty degrees is when the bacteria in the soil become active.  

So the trigger for dandelions to blossom is soil temperature.


Pure Prairie Organics was started in 1994 to provide natural and organic lawn and tree care for DuPage and Kane Counties in the Chicago area.  We do a great job!  Please call or contact us when you need expert service for your own lawn or trees.  Please contact us at;  pureprairieorganics@gmail.com

Happy gardening everybody!


Easter weather, Seeding, and Honey bees

Hi Everybody!

We hope you had a Happy Easter and enjoyed the taste of Spring that we had last weekend.

The date for Easter changes every year because it's based on the first full moon after the Equinox.

The four seasons are based on the four cardinal sun dates of Spring and Fall Equinox and Summer and Winter Solstice. 

Traditional and tribal cultures noticed, however, that the season didn't actually begin until it was "activated" by the full moon.  So Spring weather tends to appear around the time of the first full moon after the equinox.  

The Equinox was March 20 this year and the full moon was Wed, March 27 with Easter being the following Sunday.  Right on time, we had great temperatures altho a few clouds kept a chill in the air.

Results vary from year to year but this basic principle can be observed.


Now is a great time for sowing seeds.  The full moon in March is known as the "Seed Moon" because temperature, moisture and sunlight are working together in a powerful way.

Grass seeds won't germinate until they are touching soil.  We like to put down some topsoil on the brown patches and sprinkle seed onto it and then rake it in so the birds don't get it and to prevent the seed from drying out.


My friend Chris Saad has honey bees and he told me the bees are bringing in pollen from the soft maple trees which are flowering now.  That would be Silver Maple and  Red Maple.  These are always one of the first trees to flower in the Springtime and the bees are working the trees to get pollen which they use for food.  Pollen is high in protein and minerals and bees use these nutrients to grow their bodies.  Nectar is high in sugars which they use to fuel their activity but there is not a lot of nectar right now.


Chris is out and about applying organic lawn fertilizers now that the weather has warmed up a bit.  Feel free to contact him at pureprairieorganics@gmail.com to schedule a free estimate for professional feeding of your lawn and trees.  

Happy Gardening everybody and feel free to leave a comment or ask a question!


Great weather and Spring gardening tips

Hi Everybody!

This nice weather is about a month late and the plants are more ready than we are!  This weekend looks like the temperatures will be fantastic so there will be a lot of people out gardening this weekend.  

Here are a couple of tips that are important for organic gardeners in the Chicago area to keep in mind.

1) DO NOT WORK THE SOIL WHEN IT IS WET !!  The soil will set up like cement.  This is a really big deal so please be patient until the soil has had a chance to dry out a little bit.  

Here is how you can tell;  take a little soil in your hand and gently roll it into a ball.  Stand up and hold the ball of soil at your belt and drop the ball of soil on to something hard.  For example; the ground or sidewalk or stone or even your shoes.

If the soil stays in a ball then it is too wet.  If the ball shatters then it is dry enough to begin digging.

This includes after a rain in the summertime.  It is not only for the Springtime.

I know a guy who liked to rototill his weeds (which is *not* a good idea) and he rototilled his garden after a rainfall in July and the soil was like sharp rocks for the rest of the year.  Frost will soften the soil again so this is not permanent thing but it is important to know this point.

2) Leaf compost is the best for your gardens.  As I mentioned last time, rake your leaves into your beds so they can decompose over the summer and feed your plants.  If your neighbor is crazy enough to bag their leaves and take it to the curb then grab those too!  Just grind it up with a lawn mower and add it to your beds.

Leaves are high in phosphorus which is extremely important for plant health.  Do NOT burn the leaves!  Many important nutrients go up in the smoke.  (like carbon)

3) Now is a great time to feed your trees!  Fruit trees can get an application of dormant oil to control insects and landscape trees can get an application of Miracle Gro and molasses.  The Miracle Gro mix that I recommend is called "Bloom Buster" which is high in the middle number.  I mix according to the instructions and also add an equal amount of molasses.  I spray this on the trunk of the tree.  

Trees absorb very well thru the bark of the tree and within 4 days the nutrients will be all the way to the tips of the branches.  

I realize Miracle Gro is not organic but the nutrients are very high quality and help the trees enormously.  Kind of like vitamins. Also the molasses has complex carbohydrates which helps balance the Miracle Gro.

Chemical fertilizers work much better when we add sugar to them.

4) Now is a great time to add gypsum to the lawn, as I have mentioned before.

That's all for today!  

Contact Chris or I for expert organic lawn and tree service for the Naperville, Wheaton, Glen Ellen, Hinsdale and Fox Valley areas.  DuPage and Kane Counties.  We have been doing this for a long time and have a lot of experience working with these soils and this weather.

You can contact us at;  pureprairieorganics@gmail.com

Happy gardening!


Thank you Hinsdale Garden Club!

Hi Everybody!

I want to give a big thank you to the Hinsdale Garden Club for their warm welcome and wonderful hospitality yesterday at their monthly meeting.  You were very kind and gracious and I hope I could share a few things that was helpful or informative.  Thank you again!


It's still winter!  This morning the wind chill is zero degrees.  More than that, it's the wind.  Chris and I work outside and anyone who is outside for any length of time knows the wind will really take it out of you.  My insulated Carharts are still front and center.  :-(


Here's a progress report; The trees and lawns look good.  

Turf is ready to go.  The new green shoots are formed and ready to begin growing but they are hardy and these cold snaps will not do much damage.  As soon as the weather breaks the lawns will green up quickly.  Our turf grasses are well adapted to this kind of back-and-forth weather altho the wind may dry out a few of the new shoots.  The roots systems of turf grass are very strong and plants will draw on root reserves to make new blades of grass to replace anything that might have been damaged by late cold or wind.

From the lawns point of view, these late winter snows and rains have been a real blessing.  Last year was too dry.  And what especially hurt was the dry Autumn.  In the Autumn, plants store food in their roots but they need water to make their food so a dry Autumn means that plants are going into winter with low root reserves.  I know some books say not to water your plants in the Autumn because it will make them grow and become soft and vulnerable to winter kill but I have not observed that and those dry plants will suffer more winter damage and have very poor vigor in the springtime.  I have observed this many times.

The trees still have their buds tight to the stem just like they did in January.  I see that Silver Maple buds have swollen and are separated from the stem so when the air temperature warms up they will be the first to flower.  Their flowers are not showy but instead are small and reddish.  From a distance they look like little red fuzz balls.  They will develop little "helicopters" that will fall to the ground in May and the squirrels eat most of them as it's their first fresh food since last Autumn.

When the air temperature goes above 32 or 35 then we can begin feeding our trees if we want to.  Bark has pores just like our skin and they absorb food thru the pores very well.  Bark feeding our trees is very effective and efficient.  Within one week the food will be translocated all the way to the top of the tree even if it is very tall!  It's very important that plant foods be high in phosphorus.  There are a number of reasons for this which I will explain another time.

Take care everybody and stay warm.  Our plants are fine but they want some sunshine as much as we do!

And remember, for very high quality organic lawn and tree feeding
in the Western suburbs of Chicago then call Chris to schedule an estimate and start service when you are ready.  We are experts at soil and plant nutrition.  We control insects and diseases nutritionally or with minimal pesticide spray.  Our organic lawn and tree fertilizers are very effective at growing healthy plants and are also completely safe for our children and pets.  Call Chris today! 630-649-1476.

Happy gardening!


March 29, Heavy snow and wind!

Hi Everyone!

I work with several long range forecasters and everyone has a warning
for extreme weather around March 28.  Last January my weathercaster,
Nancy McEwen, told me that most of our winter would be in March and to watch out for a very strong winter storm around March 28.  The other day I asked her
for more details and this is what she sent me;

Mar 27 2013 - PERIGEE MOON- 50/36 - FOG/RAIN/TSTORM 

Mar 28 2013 - 54/36 FOG/RAIN/TSTORM.Some thunderstorms may be severe because of the Perigee Moon

Mar 30 2013 - 37/32 LINGERING SNOW

Mar 31 2013 - 45/28 DRY 

Perigee Moon occurs when a full or new moon happens at perigee which is when the moon is closest to the earth.

The moons orbit is elliptical so once a month it is close (perigee) and once a month it is far (apogee).  

50% of our weather is determined by the moon which has a complex relationship (dance?) with the earth.  The moon's influence is on our air and water which means it will determine our wind, rain and tides.

Our weather is cyclical and so are the patterns of the moon and the two are related and this is one way we can know our weather in advance.

Sorry to bring bad news so I guess we just prepare.  Last Autumn was very dry so  it's nice to get moisture but I just wish it would warm up!

Happy gardening everybody!


The Sap Moon means it's maple syrup season!

Greetings gardeners!

A few weeks ago I mentioned that in late January or early February that plants get a signal from the soil to wake up from their winter dormancy.  

Popular culture refers to this as Ground Hog Day but tribal and traditional cultures were very aware that both plants and animals would become active, the sap would begin to rise and that the new growing season is about to begin.   

Two to three weeks after Ground Hog Day begins maple syrup season which shows that traditional cultures had a keen sensitivity to the seasons of the soil.

Tribal cultures poetically referred to the full moon in February as the "Sap Moon" because it was time to begin collecting sap from the maple trees and boil it down to make maple syrup.

The tribal cultures of the Potowatamie, Iroquois, Algonquin, all knew how to make maple syrup and taught the Europeans how to do it when they arrived.

According to tribal lore, a chief was going out on hunt and threw his tomahawk into a tree.  The tree oozed some sap into a bucket that happened to be under the tree and his wife collected the bucket thinking her husband had thoughtfully brought her some water to cook with.  She heated up the sap water to make a stew and it boiled down to a sweet syrup and this is how maple syrup was born.

Everyone has a sweet tooth and word of this new food spread quickly!

This past weekend, the Kane County Forest Preserve hosted "sugaring" demonstrations where people could go to learn where maple syrup comes from and how it is made.

There were many tables, each showing one step of the process. 

So at one table we learned what a maple tree looked like and how to determine the number of holes to drill in a tree.  At another table we learned that tree sap is very clear early in the season but as we get closer to the emergence of leaves the sap becomes darker colored with the addition of minerals.

At another table we saw the sap being boiled down to syrup and we learned that it takes 30 to 40 gallons of sap to make one gallon of syrup! There was also a table showing the tools used to drill and collect maple sap.

Maple syrup season lasts 2-4 weeks.  

Everyone who watched the demonstration realized that a lot of work goes into making maple syrup.  It is labor intensive to collect and boil the sap and stoke the fire for literally three straight weeks. 

While it does seem like a lot of work, what else are farmers doing this time of year?  Making maple syrup seems like a great way to start the new growing year.  Or maybe a sweet way to bring an end to winter.

Happy gardening!



This is an article I wrote for a local newspaper called "The Voice"
which is printed in Aurora, IL.  I posted this here because it's important to understand biology if we are going to do organic lawn and tree care in the Chicago area.  Not just the biology of the trees
but also the tremendous influence that the moon has on our weather and the seasons in the soil.  I hope you find these posts interesting
and informative and if you need organic lawn or organic tree care
in the Chicago area, especially Wheaton, Glen Ellen, Naperville,
Geneva, Batavia, St Charles, then give Chris a call and he will
help you get started so your family can enjoy happy healthy plants
all cared for without poisons.  Call Chris today!  630-649-1476

How to drought proof your lawn

Greetings gardeners!

From the weather reports that I have been getting from Nancy, 2013 looks to be dry year for the Chicago area.  For those of us that practice organic lawn care I would like to recommend a few tips to help your lawn and landscape get thru dry weather.

1) Add sugar to your fertilizers.  In nature, carbon regulates moisture.  One carbon will hold four waters.  So for every pound of sugar we put out there the lawn will hold four pounds of water which is a half gallon.  Sugar will also feed the microbes in the soil and the activity of the microbes will open up the clay and allow water to penetrate.

2) Mulch your beds. Wood chip mulch and leaf mulch add fantastic amounts of carbon to the soil and also keep the sunshine off of the soil so the water won't evaporate.

3) Add gypsum to the lawn and beds.  Gypsum will soften clay and allow water to penetrate more easily.  Gypsum has calcium in it and the microbes in the soil require a high calcium environment.

4) Mulch your grass clippings.  This is similar to mulching our landscape beds. Grass clippings will form a small layer of thatch which is very good for the lawns.  The perfect amount of thatch is a half inch.  Thatch keeps sunlight off of the soil and holds in moisture.  Thatch will also decompose over time and add carbon back into the soil so it will hold more water.  Thatch is our future topsoil so I never recommend dethatching a lawn even though it is often advertized.

5) Encourage earthworms.  How do we do that?  Feed them!  The favorite food for earthworms is bacteria.  Bacteria need sugars and a high calcium environment.
So by using organic lawn fertilizers, sugar and calcium the population of microbes will rapidly increase and the earthworms will soon follow.  The secret is that it needs to be done regularly.  Bacteria consume enormous amounts of food and need to be fed regularly, just like us!

Earthworms tunnel more than 10' per week.  These underground tunnels allow precious water to go deep into the soil where it is protected and where the roots have access to it.

6) Mow high.  The longer the grass the longer the roots.  We can reduce our watering in half just by raising the mower to the highest setting.  In the summer we definitely need to allow the turf to get long so it can support deep root growth. Sometimes I only mow once a month.  The longer grass will also shade the soil and in the heat of summer we need every protection we can think of.

7) Water at night.  I know this goes against everything you've read but for those of us in the Upper Midwest this is absolutely true.  Our evaporation rate is so high that the only way we can get water to percolate down to the roots is to water at night.  If we water in the morning it will be gone by 11am.  We just cannot keep up with the evaporation from our hot sun.  The advice to water in the morning comes from the East Coast where they have high humidity and they get more diseases if they water at night.  The Chicago area is drier than the East Coast so we don't have the problem as much as they do.  Turf diseases are a calcium deficiency so if we are having problems that way then we need to add lime AND gypsum to our soils.  Try this for yourself !  Make your own observations and conclusions on this point.  You don't have to take my word for it but my opinion is based on 20 years of observations.

As they say; Read books and observe nature.  When the two don't agree, throw out the books!

We love to read your comments and questions!  Let us know what you think in the comment box and we'll be happy to answer.  Happy gardening!


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