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Eradicating Brome,Fescue, and other Invasive Perennial Grasses
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We have combined our 30 years experience with advice from university experts to make a few suggestions to improve your changes of killing the perennial grasses. If you spray them in the spring to early summer without special preparations you have only 50% chance of killing them.
Mow the grass at mid boot stage (when the seed head is half way up inside the seed stalk). At this point the sugar level (the stored energy) in the roots should be down to 25-33% of full capacity. They are normally at 100% capacity going into the fall and when they start spring growth. At mid boot stage the plant starts recharging the root system so it is very important to mow before the seed head grows any further up inside the stalk and definitely before the seed head emerges. For example: Northern Iowa brome reaches mid boot around May. .
Let the grass regrow to further deplete the level of sugars in the roots. At a regrowth height of 10 inches to mid boot stage again. The plant should be weak enough at this point that a gallon of Roundup original/acre should either kill it or severely set it back to give the new seeding a chance to get started.
If any broadleaf plants like Alfalfa, Clover, Birdsfoot Trefoil, or etc. is in your field you need to add 1 ½ pints of 2-4 D ester as Roundup has even more trouble killing them than the perennial grasses. Give the 2-4 D ester ten days or more to volatize and then no till plant your prairie grasses or prairie mixes.
P.S. Eradicating invasive perennial grasses before planting prairie mixes are very important.
Nathan Pace- Sales Consultant
Osenbaughs Prairie Seed Farms
800-582-2788
Eradicating Brome,Fescue, and other Invasive Perennial Grasses
****************************************************
We have combined our 30 years experience with advice from university experts to make a few suggestions to improve your changes of killing the perennial grasses. If you spray them in the spring to early summer without special preparations you have only 50% chance of killing them.
Mow the grass at mid boot stage (when the seed head is half way up inside the seed stalk). At this point the sugar level (the stored energy) in the roots should be down to 25-33% of full capacity. They are normally at 100% capacity going into the fall and when they start spring growth. At mid boot stage the plant starts recharging the root system so it is very important to mow before the seed head grows any further up inside the stalk and definitely before the seed head emerges. For example: Northern Iowa brome reaches mid boot around May. .
Let the grass regrow to further deplete the level of sugars in the roots. At a regrowth height of 10 inches to mid boot stage again. The plant should be weak enough at this point that a gallon of Roundup original/acre should either kill it or severely set it back to give the new seeding a chance to get started.
If any broadleaf plants like Alfalfa, Clover, Birdsfoot Trefoil, or etc. is in your field you need to add 1 ½ pints of 2-4 D ester as Roundup has even more trouble killing them than the perennial grasses. Give the 2-4 D ester ten days or more to volatize and then no till plant your prairie grasses or prairie mixes.
P.S. Eradicating invasive perennial grasses before planting prairie mixes are very important.
Nathan Pace- Sales Consultant
Osenbaughs Prairie Seed Farms
800-582-2788