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U.S. Fish and Wildlife Service, Ryan Hagerty |
I suspect I’m not the first to employ this pun; probably
many have used it before me. But, unlike many, I don’t whine about having
dandelions in the yard, rather about our obsession with getting rid of
dandelions and having perfect lawns.
Before society labeled dandelions as undesirable weeds, they
often were planted as garden flowers. And indeed, a field of dandelions in
bloom can be quite lovely.
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Creative Commons 2.0, Roger Kidd |
I generally like dandelions, but in keeping with
societal expectations I’ve tried many things over the years to control them. With
the major spring flush of dandelions just past, I find myself asking “WHY do I want to get rid of dandelions?”
The answer is cause for pause: I think it’s all about aesthetics.
But before whining about WHY control dandelions, here are
some of the HOWs I’ve tried to control them over the years.
NOT-SO-GREAT OPTIONS
Roundup
At one time, I spot-treated dandelions with Roundup. And it
worked well. But as I’ve learned more about the environmental and health risks
associated with glyphosate—Roundup’s
main component—I’ve stopped using it. Searching the literature—including peer-reviewed
sources—turns up a frightening array of problems associated with Roundup. It’s toxic to
amphibians and its overuse on genetically modified crops is linked
to the decline of Monarch butterflies. Agriculturally, Roundup is associated with the
rise of
resistant superweeds. Roundup has
also been linked
to many human health problems.
While Roundup works well quite well as a weed killer, it
comes with too many uncertainties and potential problems. So, I’ve stopped
using Roundup and avoid other herbicides as well.
And so, I searched for more natural options to fight
dandelions.
Boiling water
I read that pouring boiling water on weeds will kill them.
But yikes! There are so many things living in soil, including scores of
beneficial organisms; I’m not going to scald them to death. This literally is
overkill. I did not try this.
Salt
This is another example of overkill and long-lasting
overkill at that. Suggestions to apply
salt to weeds as herbicide also come with the warning that the salt kills surrounding
vegetation, too. Beyond this, salt lingers in the soil, altering soil and water
chemistry and preventing plant growth for some time to come. I opted not to try this, either.
Removing flowers and
buds
It seems reasonable that pinching off dandelion flowers
before they go to seed will help get them under control, right? Sadly, no. As a recent
New York Times Science item reported, deadheading just encourages the
plants to put out more flowers. So
when I’ve picked dandelion buds to give to our Monk Parakeet, Tango, as a
favorite treat, I’ve actually been encouraging them to bloom more. Sigh.
Vinegar and water mix
I’ve tried spraying a vinegar and water mix (roughly 50-50)
on dandelions. At first, it seemed to work. Leaves on the sprayed plants turned
brown, shriveled, and died. But the plants lived, as evidenced by the flowers
they later robustly produced. Dandelions’ long tap roots allow them to survive
surface treatments.
SOMEWHAT EFFECTIVE
OPTIONS
Dig them out
This option requires elbow grease and continuing diligence
all summer long. But to me, avoiding the chemicals is worth the hard work. Hand-weeding, making sure to get as much of
the tap root as possible, visibly decreases the number of dandelions in the
yard. But although I make a good start
when dandelions first start blooming, I find I can’t keep up.
For me, this option comes with an added benefit: It recalls fond
memories of childhood. I enjoyed helping my Dad in the yard; digging out dandelions
was a job I could do. I remember the
cool feel and earthy scent of the grass as I lounged on the ground and “worked.”
My father was very tolerant of my extended diversions—creating necklaces from
tied-together dandelion flowers.
Corn gluten
This control method uses an agricultural byproduct—corn gluten—as
an alternative to chemical herbicides. A germination inhibitor, corn gluten prevents
successful germination of seeds, not just dandelions, but grass, vegetables,
and more. However, corn gluten doesn’t have any effect on established plants.
The product I’ve used, Gardens Alive! WOW!® Pre-Emergence
Weed Control, is applied with a broadcast spreader at a very specific time in
the spring—when Forsythias are in bloom.
I feel that I’ve had some success with this method, although I’ve seen studies
that say corn gluten has no effect on weed germination.
I infer success based on a few years of NOT using corn
gluten. When I used corn gluten for a
few years, I wasn’t sure that it had much effect. But, after not using it for
about 5 years, I feel that the number of dandelions in the yard has increased.
Of course, it could be that I’ve slacked off on other dandelion control methods
at the same time. But I think I’ll try
this method again next spring.
TO REMOVE OR NOT TO
REMOVE DANDELIONS: THAT IS THE QUESTION
At present, I’m still keeping my eyes open for new
dandelion-control options, but I’m also wondering why I try to control
dandelions at all. Why do we spend so much time and money trying to control
what is a harmless—and even beneficial—plant?
It seems that Americans’ dislike of dandelions is mostly
aesthetic. We live in a society that has highly manicured, turf grass-dominated
yards as its ideal. Dandelions, which produce many seeds, spread readily. While
their sunny yellow flowers are quite pretty, when they go to seed, they’re less
attractive and not very neat.
However, in focusing on dandelions’ looks, we miss some great
qualities. Dandelions are edible and nutritious. They’re packed with vitamins,
including A and C. Dandelion flowers are used to make wine, and dried roots
have been used as a coffee substitute. Dandelion greens are sold in large,
leafy bunches in grocery stores. In fact, our pet Monk Parakeet, Tango, loves
them. Ironically, when I bought some
seeds from a culinary seed catalogue, I couldn’t get them to sprout.
Dandelions have been used to treat medical conditions for
centuries. Sometimes brewed as a healing tea, the plant is a natural diuretic, and
is used to help liver problems, high blood pressure and other ailments.
Dandelions also provide a good food source for wildlife. A
number of bird species eat the seeds and some mammals eats the leaves and
flowers. Dandelions are even used as forage for livestock.
It seems to me that there are many reasons to like
dandelions. So while I’ll still adhere to convention and attempt to control
them (to some extent), I’ve become a dandelion fan. I want to practice “dandelion
acceptance” and promote a move away from artificially perfect “Stepford” lawns.
Paraphrasing a familiar proverb, when life gives you dandelions, make wine.
Does anyone know of a good dandelion wine recipe?
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