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Ask Mr. Smarty Plants is a free service provided by the staff and volunteers at the Lady Bird Johnson Wildflower Center.

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Thursday - November 21, 2013

From: Austin, OR
Region: Southwest
Topic: Seeds and Seeding, Grasses or Grass-like
Title: Allowing Habiturf to seed out in Austin TX or Austin OR
Answered by: Barbara Medford

QUESTION:

What does it mean to let habiturf "go to seed?" Do I need to wait for all the seeds to drop before that is true? Or, if I mow it when there are seed heads, will those seeds provide new plants in the coming month or next year?

ANSWER:

As we prepared to answer your question, we noticed that your town on our question page was listed as Austin OR, which we considered to mean Oregon. This is what Wikipedia says about Austin OR:

"Austin is an unincorporated community, considered a ghost town in Grant County, Oregon, United States. It is located north of Oregon Route 7, near the Middle Fork John Day River in the Malheur National Forest."

If that is, indeed, where you are writing from, we have no idea if Habiturf will even grow there. (note title of article below, with the locales where the grass has been tested) We are going to go ahead and answer your question as though it were from Austin, Texas, and if we are wrong, nothing is lost, because we don't know the answer if it is Austin, OR, anyway. The grass was developed by research in Austin TX at the Lady Bird Johnson Wildflower Center.

From our Ecosystem Design Group Habiturf: A Multi-Species mix for North, West and Central Texas:

"Mowing.
We suggest a 3 to 4 inch cut for a great-looking, dense turf, resistant to weeds and light to moderate foot traffic. However, a 6- inch cut will produce a beautiful deeper lawn with a few seed heads if watered. Mow once every 3 to 5 weeks when growing and not at all when drought or cold dormant. Mowing shorter —2 inches or less— will damage your lawn's health. Conversely, not mowing at all through the growing season will produce a longer turf (8 inches or so high) with a lower density. This may be acceptable depending on how you use your lawn. However, allowing the grass to seed-out once a year, perhaps when you go on vacation, guarantees a good seed bank - insurance against drought, heavy foot traffic and weeds. It also provides high habitat value."

This would mean stopping mowing when the seedheads are forming and not mowing again until the majority of the seed heads have fallen onto the ground. Doing this once a year is all that is recommended.

 

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