Monthly Archives: June 2011

New Grasses Planted at the Arboretum

It’s been a busy spring planting more than 30 new grasses at the Arboretum ornamental grass collection. The date is set for an Open House: October 12, 2011 from 1-4 PM. The collection is open to the public whenever the … Continue reading

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Squirrel-tail barley

Squirrel-tail barley, Hordeum jubatum, is a common grass along the roadsides in late spring. It is an annual, or very weak perennial and is easy to identify with its long shiny awns, that are pink to light green. 

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Grey tree frog

This small green frog, actually a grey tree frog, I think, has been living on and near the clematis arbor….warming up in the sun!

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Orchard grass

Dactylis glomerata, orchard grass, is another common roadside plant that is considered a weed, common plant in hayfields and meadows. Native to Europe like smooth brome, orchard grass is ubiquitous in North Central and Northeastern US. The branched inflorescence is … Continue reading

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Reed canarygrass

Reed canarygrass, Phalaris arundinacea is everywhere in Minnesota! A roadside weed and invasive in wet sites, this aggressive grass spreads by rhizomes and a produces thousands of seed to create a huge seed bank in most soils where it grows. 

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Cool Season Grasses in Full Flower

Cool season grasses across Minnesota are now in full flower. It’s June 14 and grass pollen is in the air! Occasionally a homeowner will ask what is happening to their lawn, if they get a bit behind in mowing, bluegrass … Continue reading

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May and June are prime months to divide and plant grasses in Minnesota. I talked about spring cleanup and burning grasses earlier. No cut back looks like this photo. Unfortunately, most grasses, especially the warm season ones like switchgrass, shown … Continue reading

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