Invasive Japanese Stilt Grass – Tend it now!

I’ve not posted much lately here, mostly due to being very busy in my gardens and the gardens of my clients. I expect I won’t have time to resume regular blogging until October, but did not want this time to go by without reminding Connecticut gardeners and landowners that now is the time to cut and tend to Japanese Stilt Grass.

This is a highly invasive grassy-looking plant that is overtaking many roadside edges, lawns, and gardens. If allowed to form seeds – which are maturing now – each plant can send up to one hundred seeds into the environment. The seeds are small and easily distributed by water, animals, boots, mowers and wind. Distributed seeds can last as long as 10 years in the soil.

Japanese Stilt Grass - highly invasive in CT

Japanese Stilt Grass – highly invasive in CT

I outlined how to deal with Japanese Stilt Grass previously … just click the highlighted text to read.

Control takes some time and effort, but it can be controlled if one is vigilant. If not tended to it can completely take over a lawn or garden.

I’ve successfully controlled the serious stilt grass invasion I talk about in the linked post above. Each year I’ve weeded out Japanese Stilt Grass has meant fewer plants the subsequent year. Now, where stilt grass once dominated, I have native wildflowers and grasses returning which are so much more attractive and beneficial that invasive stilt grass.

Japanese Stilt Grass close up

Japanese Stilt Grass close up

I highly doubt it will ever be eradicated, unless some disease starts attacking it. But, with proper management it can be controlled. Search for it now, remove it now … before it has the chance to spread hundreds of seeds throughout your property.

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4 comments for “Invasive Japanese Stilt Grass – Tend it now!

  1. andrew marker
    September 17, 2014 at 10:35 am

    Hi Joene,

    I live in the lower Hudson Valley of New York and spotted this for the first time this summer.
    I thought it was a variant of bamboo, which is rampant on another part of our property and requires constant attention.

    Thank you.

  2. October 9, 2014 at 3:18 pm

    This grass was quite successful in my gardens this year. More so than in the past. I don’t mind it particularly because it’s so easy to pull out, the roots that is. I do mind, however, that if I have a lot of it that means I’ve been neglecting my weeding.

    • October 29, 2014 at 8:50 am

      So sorry for my late response, Pam J. Japanese stilt grass is very successful, particularly when left to go to seed. As an annual, next and subsequent year’s success is assured when the plants are left to go to seed. Since seeds can remain viable in the soil for up to 10 years, one year of going to seed insures many years growth. This attribute allows Japanese stilt grass to grow year after year unless weeded out each year after seed spread. Once it show up in an area it must be prevented from going to seed to keep it from taking over and becoming the predominant plant.

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