Tag Archives: astronomical spring

Spring Prairie Thaw

“Keep busy with survival…remember nothing stays the same for long, not even pain. Sit it out. Let it all pass. Let it go.”  ― May Sarton
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Mid-March in the Chicago region feels like emergence from a long dream.  The world is waking up. Slowly.
We blink in the sunshine. Rub our eyes. Stretch.
Listen!
What’s that sound?
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It’s the sounds of water. The prairie creek thaws. At last!
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Melted snow runs into cracks and crevices. Water tunes up; provides a musical soundtrack for the tallgrass once again.
Sure, it’s not officially astronomical spring until March 20, another week away, when winter officially ends.
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 But you can see the transitions in play.
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Not quite spring yet? Tell that to the birds. They know better. Soon, migrants will pour through the skies, piping their songs to us Midwesterners. We’ll ask each other, “Was that a white-throated sparrow singing?” They are common migrants and occasional winter residents here in Illinois. Every spring, I hear them calling on their way north, headed for the upper Midwest and Canada. It’s just a matter of days, now. I’m listening.
Speaking of birds…In the tallgrass, one has pecked through the Chinese mantis egg case  I’ve been watching all winter. The case is in tatters. Goodbye, little future insects! Praying mantises are pretty merciless predators themselves, so perhaps it’s justice.
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It’s a savage world out there, especially at the end of winter when survival is still bitterly won. Hunger gnaws. Reserves are low. Hang on. Don’t quit. Sit it out. You can make it!
Soon, the March mud season will give way to color and song. For now, I welcome the sunshine, the melt and the thaw.
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Cardinal songs in the morning. The “oke-a-leeeeee” conversations of red-winged blackbirds as I hike the prairie trails by the brook.
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The first green shoots. The last old stands of dried grasses and wildflowers, fuel for the coming prescribed burn. You can feel spring trying to punch through the cold; break out of the gray and the gloom.
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The old order is passing. Something new is on the way.
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Breathe in. Can you detect spring in the air? It’s in the scent of water. The smell of earth. That subtle scent of green. Feel the mud cling to your boots. Hear spring’s tentative first notes as the prairie community warms under the March sun.
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Later, we’ll demand more than these small pleasures from the tallgrass.
But for now, they are enough.
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The poet May Sarton (1912-1995), whose quote begins this post, was also the author of numerous fiction and nonfiction books, including “Recovery.” She was particularly interested in aging, illness and depression (and our responses to both); solitude; personal, emotional, and artistic growth; our need for community and dependency on others; and the close observation of the natural world. Read “Mud Season” about her spring garden here. “Fluent, fluid…” said one reviewer of Sarton’s work; another wrote that her words are, “…direct and deeply given.”  Her writing, however, has been largely snubbed by major critics. She died of breast cancer at the age of 83. Read more in her obituary from The New York Times.
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All photos and video clip copyright Cindy Crosby (top to bottom): bubbles under the ice, Willoway Brook, Schulenberg Prairie, The Morton Arboretum, Lisle, IL; ice waterfall, Schulenberg Prairie, The Morton Arboretum, Lisle, IL; water running into crevices at Fermilab Prairie’s Interpretive Trail, Fermilab Natural Areas, Batavia, IL;  ice on Willoway Brook, Schulenberg Prairie, The Morton Arboretum, Lisle, IL; Willoway Brook, Schulenberg Prairie, The Morton Arboretum, Lisle, IL; Chinese mantis ((Tenodera sinensis), Schulenberg Prairie, The Morton Arboretum, Lisle, IL; Willoway Brook ice, Schulenberg Prairie, The Morton Arboretum, Lisle, IL;  red-winged blackbird (Agelaius phoeniceus) singing on the Schulenberg Prairie, The Morton Arboretum, Lisle, IL: compass plant (Silphium laciniatum), Schulenberg Prairie, The Morton Arboretum, Lisle, IL; gray-headed coneflowers (Ratibida pinnata), Schulenberg Prairie, The Morton Arboretum, Lisle, IL; Willoway Brook, Schulenberg Prairie, The Morton Arboretum, Lisle, IL.
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Pre-order Cindy’s New Prairie Book By Clicking Here Tallgrass Conversations: In Search of the Prairie Spirit (Cindy Crosby and Thomas Dean), Ice Cube Press. Releases in April, 2019, full-color hardcover, $24.95. Also available at The Arboretum Store: https://www.mortonarb.org/visit-explore/arboretum-store
Cindy’s Classes in March
Tallgrass Prairie Ecology Online March 27 (The Morton Arboretum—work at your own pace from home and hone your knowledge of prairie)

Skunked at the End of Prairie Winter

“One sometimes finds what one isn’t looking for.” –Alexander Fleming

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Lately, I’ve been hunting skunk cabbage. I’ve seen it around the marshy areas of the lakes and ponds, and I have it on good authority it should be in the swampy areas of the prairie wetlands where I’m a steward supervisor.

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Unfortunately, I keep getting (forgive me) skunked. We’re updating our prairie plant inventory, and we know skunk cabbage was sighted here in 2005. But…where? And so, I keep walking the banks of Willoway Brook, brushing aside leaves, scouring the prairie wetlands. No luck.

I love this elusive plant. Although it can poke through the snow as early as December in the Chicago region, seeing it emerge always says “spring” to me.

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Spring! It’s so close you can almost taste it. You can smell it in the air; feel it in the mud squishing under your hiking boots. March 20 is the vernal equinox—our astronomical spring.  But for those of us ready to rush the season a little, Thursday, March 1, stands in as the official day of meteorological spring.

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Astro-what? Meteorological? Huh?

There’s a great article from the National Oceanic and Atmospheric Association (NOAA) about the difference  here. A quick overview: meteorological spring—the March 1 kickoff—is  a way for scientists to have consistent statistics  from year to year, using the calendar months as a guide.

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I like using this earlier start date. Just thinking it is officially “spring” improves my attitude. Spring! It’s here Thursday! Well, sort of. Signs of it are everywhere on this almost 50 degree day as I hike the tallgrass. The snowdrops are blooming nearby.

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Out on the prairie, Willoway Brook runs free of ice and snow.

So what’s all the fuss about the other “spring” date? That sort of depressing, middle of March kick-off I mentioned? Why use it? Astronomical spring—based on the position of the Earth to the sun (that “vernal equinox”) means the days we count as the spring season will vary from year to year. Very simply put, an equinox means day and night are of the same duration, or equal.  Astronomical seasons, based on the Earth and Sun’s positions, vary from 89-93 days long each year, NOAA tells us. So if you’re a scientist, it wreaks havoc on your comparison statistics to use the changeable astronomical seasons. Using the months of March, April, and May as “spring” for comparison from year to year makes more sense.

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Of course there’s Leap Year, but hey! Let’s quit while we’re ahead and leave that explanation for another day.

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The Latin “ver” means spring. But many scientists prefer the term “March equinox” as it is more globally universal.

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Keep in mind that for my friends in New Zealand and in the Southern Hemisphere, it makes no sense to say they have a vernal equinox, nor is March the beginning of their spring, as the seasons are the reverse of what we in the Northern Hemisphere experience.

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Whew! Is your head spinning yet?

Mine is, a little.

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Meanwhile, the calendar may say spring this week, but I’m still hunting skunk cabbage in the prairie wetlands. Maybe it has disappeared since our last prairie plant inventory. More likely, I’m just not looking attentively enough.

The bonus is, of course, that as I look for the missing skunk cabbage, I see a lot of other  signs of spring on the way.

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Which makes getting “skunked” so worth it.

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Alexander Fleming (1881-1955), whose quote opens this post, was a brilliant Scottish scientist. After seeing many soldiers die from sepsis during World War 1, he researched the reason antiseptics (which were used to treat infection at the time) were ineffective. His untidy, cluttered lab led to penicillin’s accidental discovery. Fleming’s work is considered the beginning of modern antibiotics.

All photos and video copyright Cindy Crosby (top to bottom): skunk cabbage (Symplocarpus foetidus), The Morton Arboretum, Lisle, IL; skunk cabbage (Symplocarpus foetidus), The Morton Arboretum, Lisle, IL; frost at Hidden Lake Forest Preserve prairie plantings, Forest Preserve District of DuPage County, Downer’s Grove, IL; trail through the Schulenberg Prairie at the end of February, The Morton Arboretum, Lisle, IL; snowdrops (Galanthus nivalis), The Morton Arboretum, Lisle, IL; water running in Willoway Brook, Schulenberg Prairie Savanna, The Morton Arboretum, Lisle, IL; Indian grass (Sorghastrum nutans), Hidden Lake Forest Preserve, Forest Preserve District of DuPage County, Downer’s Grove, IL; Willoway Brook, Schulenberg Prairie, The Morton Arboretum, Lisle, IL; rattlesnake master (Eryngium yuccifolium), Belmont Prairie Nature Preserve, Illinois DNR, The Nature Conservancy, Downer’s Grove Park District, Downer’s Grove, IL;  acorn on ice, Schulenberg Prairie Savanna, The Morton Arboretum, Lisle, IL; frost at Hidden Lake Forest Preserve prairie plantings, Forest Preserve District of DuPage County, Downer’s Grove, IL; bee balm (Monarda fistulosa), Schulenberg Prairie, The Morton Arboretum, Lisle, IL.

Thanks to NOAA for the information on meteorological spring and astronomical spring.