Lots of bad or undesirable plant species spread vegetatively by underground rhizomes or stolens, and they are some of the worst plants to get rid of. Because their growth processes…

The turk's cap (Lilium michiganese) lilies in our wetland areas show remarkable responses to fire. In years that we don't burn, there are always a few lilies in flower, but…

The consistent rains have been a boon to prairie plants and the fields are the most colorful they have been in many years. I made a list yesterday of species…

Right now is a favorable time for assessing populations of glade mallow (Napaea dioica), our only midwestern endemic. I had a post a few years ago about the tragedy that…

This is peak season for butterfly milkweed (Asclepias tuberosa). Rettenmund Prairie has a huge number of plants, with quite a wide variation in color, but none pure yellow. I discussed…

Mid- to late-June is when the endangered purple milkweed (Asclepias purpurascens) is in full flower. This savanna indicator has responded well to restoration work at Pleasant Valley Conservancy and has…

Whether it's the rains, or some strange legacy from last year's drought, pale purple coneflower (Echinacea pallida) is having a banner year. This year areas where in the past we…

We have been raising uncommon prairie and savanna forbs and grasses in the greenhouse for the past 7 years and transplanting them to the field. This is a fairly time…

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Last year we thought we might be able to keep woodland sunflower under control, but this year it is worse than ever. Perhaps the long, cool spring is responsible. The…