by Driftless Prairies | Mar 23, 2016 | Invasives
This agricultural weed is originally from Eurasia. It is found across most of the United States on abandoned cultivated lands and, in our case, a prairie restoration in a once-cultivated field. It won’t tolerate plowing, but the seed must remain viable for several...
by Driftless Prairies | Jun 22, 2015 | Invasives, Prairies and Woods
Spotted knapweed, Centaurea maculosa, was introduced to America via contaminated alfalfa and clover seed in the 1890s. It is considered the “most problematic invasive species in North America” (Emery et al. 2005). All the purple blooms are for 1 plant!! This is the...
by Driftless Prairies | May 31, 2015 | Invasives
We have discovered two types of bindweed in our plantings – Field bindweed (Convolvus arvensis) and Hedge bindweed (Calystegia sepium). This isn’t good news when some researchers have called Field bindweed the 12th and the 10th “worst weed in the world” (Pfirter et...
by Driftless Prairies | Jan 22, 2015 | Invasives
What is ecological restoration? Some define it as returning the land to pre-settlement conditions, which in Wisconsin is pre-1830. Some define it as unnecessary work because they believe that “nature knows best” and to just let “nature take its course.” If we are to...
by Driftless Prairies | Jul 29, 2013 | Invasives
Queen Anne’s Lace (Daucus carota) also known as wild carrot is a biennial invasive with a long taproot. It is native to Europe, southwestern Asia and North Africa. Queen Anne’s lace, which we refer to as QAL, is found is nearly all habitats. It spreads aggressively by...
by Driftless Prairies | Jul 2, 2013 | Invasives
There are good roses and bad roses and multiflora rose (Rosa multiflora) is the worst!! Often noxious and invasive plants are determined as such from state to state but this one is a federally listed invasive! Its introduction is what I term “not well researched” and...