Natives returning, along with a few undesirables

A month after the Wildflower Massacre at the hands of untrained/poorly trained mowers (who are not to blame, for the are just pawns in the game), the native plants are making a strong comeback, as well as a couple of unwelcome plants, both exotic and native. Among the invasive or undesirable plants are Johnson Grass (Sorghum halepense), Bermuda Grass (Cynodon dactylon), and Poison Ivy (Toxicodendron radicans). Interestingly enough, most of the “new” natives are coming up in the area in which I had already pulled some 10 bags of grasses and weeds of the exotic and invasive persuasion. But enough talk, here’s a slideshow to illustrate what I’m talking about.

 

The low blade mowing (under 7 inches) according to a personal source expert on eradicating non-native species from parks and preserves, is a great way to spread the Poison Ivy (a native, but one which one prefers left in preserves, untouched by mower blades). I suspect that cutting below 7 inches also encourages the spread of Bermuda Grass. The Johnson Grass is an opportunistic plant that likes disturbed soils such as construction sites or “scalped” roadways and in my case, berms. But it can be easily defeated by pulling it out after every rain, and letting native grasses take over.

Sensitive Briar – Mimosa roemeriana

Sensitive Briar - Mimosa roemeriana

Sensitive Briar – Mimosa roemeriana


Here’s another plant that has changed scientific names while remaining with the common name. My older field guides say this is in the Schrankia genus, with several similar species (which are not listed in the guides, although one mentions that some folks think they’re all the same species). Meanwhile, the NPIN at the Wildflower Center, whose page was last updated in 2007, says this is Mimosa Roemeriana. Still a member of the Fabaceae or Pea family, though. Still, this persistent little weed makes for an interesting ground cover, although it does sprawl a bit. I’ve got in the space between the street curb and the sidewalk, and I think I will cultivate it rather than try to eradicate it, which hasn’t worked out in the past. And it does have those lovely little pink puffballs of flowers…