A Long Summer

October 1st. It is 93 degrees. This kind of heat at this time of year feels unusual, like an Indian summer of sorts. But that term refers to an unseasonable heat that comes after a frost, and we’ve stayed well above frosts so far. Tomato plants are still blossoming, jalapeños still ripening.

It’s a bit uncertain where the term “Indian summer” comes from, but many cite the possibility that this heat-after-frost phenomenon is not common in areas where colonizers came from, so the event may have been named after the Native American misnomer, “Indian,” in whose native North America the belated heat wave is a relatively common occurrence.

A persistent heat, however, a heat that doesn’t let up for this long, is not normal for the Midwestern part of the United States. At least, it wasn’t until recently. In the past several years, the heat has stuck around, sometimes spiking into the eighties all the way into November. The climate is changing, and with it, the plants. Climate scientists at the Missouri Botanical Garden have noted that in recent years, a number of plants that should not be able to grow here have been doing just fine at the Garden. For decades, St. Louis was considered a zone 5, but it is now considered a zone 6. Even that is being pushed now as horticulturists find that zone 7 plants are able to thrive in the Garden.

The cold will come, so enjoy the warmth for now. Have a beer on the porch, grill in the backyard, and take advantage of the extra weeks of harvest. But don’t look at this as another endearing Midwestern weather fluke. Our autumns are growing shorter. That is the unfortunate truth.

Frozen Frogs

In the rain and snow, a hush seems to fall over the neighborhoods. The leaves aren’t there to rustle in the breezes, and the stray cats and little squirrels hide away. The people, too, are huddled in their dens, curled up in some quiet corner.

There’s one particular critter who hides especially well: the spring peeper. These frogs are native to Missouri, and they’re strange creatures. They snuggle into winter shelters of leaf piles, logs, and tree trunks, and won’t make a sound all winter. Along with a handful of other frog species, the spring peeper survives winter by going completely dormant–and even freezing through.

During their frozen slumber, the spring peeper is saved only by glycogen, a natural sugar in the frogs’ blood that acts as an antifreeze. This is just enough to keep ice crystals from forming in their vital organs. Its breath and heart have slowed to an almost undetectable rate, and the energy needed to keep these systems running at all comes from the same sugar. It ferments in their bodies and provides just enough energy to keep them alive.

The spring peeper runs out of glycogen stores right around the time that the first hint of warmth creeps into the air. So in the last days of winter, the spring peeper will miraculously thaw and awaken like the pet project of some mad scientist. This is where it gets its name: in that season of uncertainty, halfway between winter and spring, it emerges from its slumber and utters its call—a sequence of short peeps. The call of the spring peeper is said to be a sure sign that winter is relinquishing its bitter grip, and spring is on the way.

In the meantime, they sleep alongside the warmblooded hibernators in their shelters, waiting. And we wonder at a tiny frog who, for all our strength and smarts and stamina, would outlast us on a cold winter night.

Time to Rest

With Thanksgiving weekend behind us, a sense of pause falls over the city. While you sat on the couch recovering from your feast, you might have looked out the window and noticed the browns, blues, and deep golds that have finally spread across the landscape. It doesn’t feel quite like winter yet. The cold, windy nights still give way to the warmth of the sun most afternoons. But the colors tell us it’s time to get ready for the cold to come.

It’s during these last days of November that mammals seek winter shelters. In Missouri, we’ve got a handful hibernators: bats, groundhogs, chipmunks, and certain kinds of mice and squirrels are falling fast asleep and won’t wake up ’til springtime. During this strange coma, their heart rate will drop, their body temperature will dwindle, and their metabolism will slow. They can nod off all through the winter without waking up to eat. Skunks turn in for the season too, but instead of full-on hibernation, they fall into a lighter sleep called torpor. Skunks cuddle close in their dens with a handful of their kin, but unlike animals in full hibernation, a skunk is liable to get a move on every now and then to scrounge up a snack. Bears are in torpor mode, too. They wake up easily so that they can nurse and protect their cubs, which are born in their mothers’ dens during wintertime. They won’t go looking for food, though—they live off of their body fat all winter long.

For the plants, too, it is finally time to be still. Leafless grey trees and stiff yellow shrubs have us feeling gloomy, gazing out the window like we’re looking at a bleak display of decay. We think of death when really we should be admiring a landscape at peace in its maturity. The plants have spread their seed and taken in all the nutrients they need to pull through the winter. They’ve dropped their leaves to create a new wealth of fertility in the soil at their roots. Next spring they’ll have to start all over again. But for now, the frenzy of growth is over. Naked and relieved of the burden of leaves, it is time for the trees to rest.

And we will join the winter rest soon. A trip to the grocery store will hint to you that the city folk are nearly ready to settle in to their dens, too. The old ladies at the checkout send long lines of canned soup parading down the belt to the cashier. The young couples with drafty apartments are buying those window-sealing shrink film kits. A mother pretends not to see the reindeer cookies her daughter snuck into the grocery cart. On Sunday, an old man with his arms crossed stared for a long time at the greenery for sale outside Schnucks. After serious consideration, he slowly put a wreath in his cart, apparently deciding it was no longer too early to buy a Christmas decoration. The time to find warmth and rest has arrived.

Work for Wintertime

It finally feels it was long ago that the pools closed with the fading of the cicadas. The outdoor concerts and late-summer barbecues are over. The time to visit the apple orchards has now passed, and the pumpkin patches are picked over and empty. Even the backyard gardens have already been prepared for winter. As the days grow steadily colder, it isn’t as common to find yourself so effortlessly outside.

The greenery disappears and the campsites close, but the natural world remains just as ready to welcome visitors. And while it’s far too cold to spread a blanket and lounge in the sun for a leisurely picnic, it’s a great time of year to take on a task that gets your blood pumping.

In October and November, conservation organizations throughout Missouri put on “Honeysuckle Sweep Weeks,” where workers and volunteers remove and destroy the honeysuckle that chokes out other plants in our conservation areas, parks, and even roadways.  Even though it’s well-known as an invasive plant, it can be hard to see honeysuckle as the transgressor it is. Its sweet smell in summertime, simple green leaves, and plump red berries make it seem innocent and pleasant to us.

The truth is that honeysuckle is a tremendous problem that started with the uninformed use of it in urban landscaping, which led quickly to the rampant spread of this unrelenting plant to just about every surrounding natural area. Its leaves are its secret to success. They sprout much earlier and die much later than the leaves of plants native to Missouri. Those early leaves steal the sun away from the forest floor, casting a shade over native seedlings before the ever have a chance to see sunlight. That’s how honeysuckle’s tyrannical rule stifles new generations of native trees and shrubs. Even worse, those bright red berries are eaten by birds, squirrels, and other critters who spread the out-of-control plant far and wide.

Out at Shaw Nature Reserve, honeysuckle removal days continue through the winter, where the work will have you happy that you found your way outside. On a crisp morning, you’ll join other volunteers in helping to remove the invasive species from our forests. There’s plenty of ground to cover, so you’ll likely find yourself alone with your thoughts and your breath-mist in the air around you. The cold is quickly driven away by the working of your body and the fires burning nearby—the honeysuckle is burned once it’s cut. Soon cold air and the smell of wood-smoke fills your lungs, and your ears smile at the sound of those pretty red berries snap-and-popping in the flames. When the chopping is done for the day, you’ll cross your arms and nod your head in satisfaction when you see the cleaner landscape and realize that this is the way it is meant to be. The difference is dramatic.

If you want to volunteer at Shaw Nature Reserve, you can sign up for an SNR ecological restoration workday on the Missouri Botanical Gardens website. But even if you can’t make the drive, bundle up and check your own backyard. Late fall and early winter is a great time to look for honeysuckle—it sticks out like a sore thumb because it’s just about the only green thing left. You can also identify it by those red berries and by the odd interior of its sticks and stems, which have a small hollow hole at their center. Make sure to dab the ends of the cut stems with some kind of herbicide, or it’ll just come back stronger than ever. Put your gloves on, chop it down, and invite your friends over to burn it in a berry-crackling fire. There is still work to be done this winter.