Beautiful blue foliage, but its deep fast-spreading rhizomes are difficult to restrain in a mixed border. This is one of the species that...Read More give ornamental grasses an evil reputation for aggression in the garden.
Leaf edges are sharp and can give nasty cuts.
This is a coastal sand dune stabilizer native to Europe. Where it's been used to stabilize dunes in North America, as in the Indiana Dunes National Lakeshore and on the Lake Michigan shore of Wisconsin, it's proven to be invasive, outcompeting native vegetation. [HYPERLINK@www.uwgb.edu]
Also called European dune grass, blue wild rye, lyme grass, and sea lyme grass. 'Glaucus' isn't a cultivar name, but a catch-all term used in commerce for many blue forms.
This also grows very well in Zone 2b - yes, Regina, SK. Overwinters very well. Seed heads are NOT sterile. I found a new plant over 50...Read More feet away. It can be invasive. You definitely need to contain it. Round up (glyphosphate) does kill it. Highly Highly recommend that you keep it in a container such that it can not escape. Will sprout outwards 2 feet away from original clump. Very vigorous growth. Small diameter clump of 4 inches will grow to 2 feet diameter by end of season.
Highly invasive, develops extensive root system in short period, difficult to control in a regular garden. Leaves and seed heads are a nu...Read Moreisance. Can be grown in containers, drought resistant.
For some reason I stuck some of this in my boulevard perennial garden. It is in light shade but is slowly taking over. It roots in real...Read Morely deeply and you cant easily pull it out. It looks OK but really there are much more interesting things to plant. Save this for some special needs area. I'm going to pull out the Round Up.
Extremely invasive in full sun. If you want to cover huge sunny areas in a small amount of time, this is your plant. It will spread in al...Read Morel directions. Lawn grasses still tend to grow in among it easily giving it a messy appearance if not weeded very well when established. Weeding later is a real pain; literally painful due to the sharp leaves.
It is such a pretty hue of blue that we are not ready to give up on it. We will need to try it in shade.
Grove City, OH (Zone 6a) | September 2002 | positive
This plant's well-known tendency to invasiveness is easy to control using heavy soil and full shade. The blue foliage remains blue all y...Read Moreear when grown in shade. Beautiful upright accent in a shady woodland garden.
Beautiful blue foliage, but its deep fast-spreading rhizomes are difficult to restrain in a mixed border. This is one of the species that...Read More
This also grows very well in Zone 2b - yes, Regina, SK. Overwinters very well. Seed heads are NOT sterile. I found a new plant over 50...Read More
Highly invasive, develops extensive root system in short period, difficult to control in a regular garden. Leaves and seed heads are a nu...Read More
For some reason I stuck some of this in my boulevard perennial garden. It is in light shade but is slowly taking over. It roots in real...Read More
Extremely invasive in full sun. If you want to cover huge sunny areas in a small amount of time, this is your plant. It will spread in al...Read More
This plant's well-known tendency to invasiveness is easy to control using heavy soil and full shade. The blue foliage remains blue all y...Read More