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Don’t bring a knife to a gunfight; bring goats

It is a fact that forest owners and land managers are increasingly engaged in a gunfight of sorts with noxious invasive weeds.  Ailanthus, mile-a-minute, multiflora rose, barberry, Japanese honeysuckle, Russian olive, Asian bittersweet, Angelica, and new non-native invasives are in many ways taking over and altering Pennsylvania’s native forest.

If you think this sounds like a bunch of environmental hooey, then stop using paper goods right now.  No more toilet paper for you!

Paper is a product of pulp trees like black birch and red maple.  Once upon a time, these two aforementioned tree species were the scourge of well managed forests.  With little seed to feed wildlife, and little valuable wood to make furniture or flooring, these trees displaced the oaks, hickories, hard maples, poplars and cherries landowners have historically relied on to pay for their land and which consumers have relied upon for everything wooden they take for granted.

Now, the formerly “junk” trees we waged war against seem positively benign when compared to the newcomers.  Foreign invasive weeds and trees not only bring nothing of nutritional value, nor anything of economic value, they rapidly displace those native trees we rely upon to feed deer, turkeys, bears, and on which America depends for furniture.

Herbicides like Glyphosate 41 have worked for me for many years.  But I am now finding myself running around playing catch up with these pesty plants in too many places, more than anyone can keep up with.  Like many others in my role, I feel like I am losing the battle.  When I see yet another thicket of ailanthus and mile-a-minute, I feel like the guy who showed up at the gunfight with a knife – outgunned, helpless.

It is time to trot out the goats.

Goats eat pretty much everything, including the invasive plants we abhor, with relish.  Goats are not cheap initially, but a $100 goat can earn its keep in displaced herbicide expenses in about three or four days.

Goats take more time to maintain than a spray pack and wand.  At night they must be penned up, or they will be eaten by a bear or coyotes.  They must be tethered in one place and then moved every few hours, or they can quickly damage the native trees and shrubs we want.

The big benefit of goats is that they can be eaten at the end of the project.

I will report back to you on the success of the goats at the gunfight.

Invasive plants, your new job

Invasive plants like Tree of Heaven (ailanthus, a tree with orange seed pods that just seem to pop up around your property), Asian bittersweet (little vines that quickly become Tarzan-big vines), mile-a-minute, Japanese honeysuckle, Russian olive, barberry, multiflora rose, parasitic ornamental grape vines, and so on, are all becoming a huge problem in our forests.

Each of these plants displaces and suppresses native, helpful plants.

Out west, there are entire regions where it is actually illegal to have invasive weeds on your property.  If the county conservation staff find those weeds on your land, you can be fined a lot of money.  Why would property rights-driven Westerners embrace a law like that?  Wouldn’t they pooh-pooh plants?

Because invasive weeds carry a substantial financial cost, people who make their living off the land have a healthy abhorrence of these bad plants.  They are so quick to take over the landscape, and provide few to no benefits to people or animals.

Pennsylvania’s native forests are an important source of wildlife habitat, clean air, clean water, scenic beauty, recreation, and income.  Yet, our forests are becoming increasingly overrun by non-native invasive plants and trees.  Ailanthus is especially egregious.  It got its start and continues to spread from public roadsides, where PennDot and the PA Turnpike Commission have failed to control it.  The impact of ailanthus on our forests is becoming a real cost consideration.

It is time to have a public policy and a public agency work more seriously on the challenge posed by invasive weeds.