SKU: 7171624402
best herbicide for onion grass

best herbicide for onion grass Odessa Herbicide (onion weed treatment) – Mighty Goat Lawns

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Ships within 48 hours · Estimated delivery Sep 21 - Sep 26

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Description

best herbicide for onion grass Odessa Herbicide (onion weed treatment) – Mighty Goat LawnsOdessa herbicide is a premium, selective post emergent weed killer which treats a wide range of broadleaf & grassy weeds in lawns including waxy and hard to kill varieties such as Onion Weed. What it Controls Odessa targets a wide variety of durable weeds in lawns including: Bindii (Soliva sessilis), Black thistle (Cirsium vulgare), Cat's ear (Hypochoeris radicata), Cotula (Cotula australis), Cudweed (Gnaphalium sp.), Guildford Grass (Onion Grass)

Odessa herbicide is a premium, selective post-emergent weed killer which treats a wide range of broadleaf & grassy weeds in lawns including waxy and hard to kill varieties such as Onion Weed.

What it Controls

Odessa targets a wide variety of durable weeds in lawns including:

  • Bindii (Soliva sessilis),
  • Black thistle (Cirsium vulgare),
  • Cat's ear (Hypochoeris radicata),
  • Cotula (Cotula australis),
  • Cudweed (Gnaphalium sp.),
  • Guildford Grass (Onion Grass) (Romulea rosea),
  • Medic (Medicago spp.),
  • Mouse ear chickweed (Cerastium vulgatum),
  • Oxalis (Oxalis corniculata),
  • White Clover (Trifolium repens),
  • False onion weed / Fragrant false garlic / Onion weed (Nothoscordum gracile, fragrans or borbonicum)
  • Ryegrass, perennial (Lolium perenne)

Why it's Popular

Targeted Weed Control: Effectively treats stubborn waxy leaf weeds such as Oxalis and Guildford Grass that other weed killers struggle to eliminate.

Safe on Lawns: Can be used on a wide range of turf varieties including Buffalo, Couch (Not QLD Blue) and Kikuyu.

Systemic Action:  It is absorbed by foliage and shoots then rapidly translocated through the plant and acts by inhibiting acetolactate synthase (ALS) to ensure complete eradication of the weed.

Key Features

  • Outstanding post emergent control of difficult to kill weeds Onion weed, Guildford grass (Onion grass)
  • Excellent Turf Tolerance on Common Couch, Hybrid Couch, Buffalo and Kikuyu (DO NOT use on Queensland Blue Couch)
  • Selectively controls of Ryegrass out of Common Couch, Hybrid Couch, Buffalo and Kikuyu
  • Controls a unique scope of difficult to kill weeds
  • Low odour
  • Low poison schedule (Schedule 5 - CAUTION)

Active Ingredient

  • 100 g/kg iodosulfuron-methyl-sodium

Application and Dosage

  • 0.25 to 1.5g per 100sqm
  • 50g pack treats 3300+ sqm of lawn
  • Spray onto a dry lawn with a pressure sprayer and let it dry. Do not water product in. Avoid mowing at least 4 days before and after spraying.
  • For optimal control mix in a surfactant such as Wetter 600, particularly important with stubborn, waxy weeds.

Odessa Cost Per Application - Cost per 100sqm at a rate of 1.5g per 100sqm is $2.97 including GST

More Information

Odessa Herbicide allows turf managers to control the various difficult weeds that other herbicides have struggled to manage such as Guildford Grass (Onion Grass) (Romulea rosea) in Common Couch, Hybrid Couch, Buffalo or Kikuyu turf stands.

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Shipping Notes
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  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 7171624402

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SM
Los Angeles, US
★★★★★ 5
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Material Type: Recycled Polyester, Color: Dark Navy, Size: X-Large
Purchased several shirts, all were great quality. You never know what you’ll get when you purchase sight unseen, these are worth it. Great value, style, and comfort. Color is exactly what you see online. True to size.
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Reviewed in the United States on November 25, 2025
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Jocelyn
Dallas, US
★★★★★ 4
Great quality for price
Material Type: Recycled Polyester, Color: Red Stripe, Size: XX-Large
Very impressed with the shirt quality, especially for such a low price. Sizing is accurate.
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Reviewed in the United States on May 21, 2026
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Shawn SnoMan Thompson
Massapequa, US
★★★★★ 5
For work or casual wear, this polo is a great choice.
Material Type: Recycled Polyester, Color: Port Stripe, Size: X-Large
I really like this polo. I've been wearing it once a week or every other week since November. Its very comfortable and breathable. This polo feels like it should last a while. The fit is good. I typcally wear XL and this XL fits great. I've pruchased it in both burgundy and black so far. I definitely recommend this shirt. For work or casual wear, this will look good.
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Reviewed in the United States on January 11, 2026
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Tech Dad
West Palm Beach, US
★★★★★ 5
Great value: These are my go-to work from home shirt
Material Type: Recycled Polyester, Color: Blue, Size: X-Large
I’ve been pleasantly surprised by these shirts and wear them weekly for Zoom calls, since I’m still working from home these days. I figured at the price point it was worth trying them out, and now I’ve bought several in different colors. They aren’t super soft, but they are comfy and look nice. I’m 6’1” ~220 pounds, and the XL slim fit still has plenty of room. I imagine the regular cut is incredibly boxy and oversized. The difference between polyester vs recycled polyester is inconsequential. I typically buy expensive golf shirts, and these definitely aren’t as nice. They are a fraction of the cost though and a great “beater” work shirt / hang out shirt. It’s nice wearing something that looks and feels decent, but if something happens to it, you can toss and it and pick up another for the cost of a chipotle burrito.
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Reviewed in the United States on May 29, 2022
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Espresso
West Palm Beach, US
★★★★★ 3
Great price, not great quality
Material Type: Recycled Polyester, Color: Black, Size: Small
Simple, straight forward all black polo. I am a size medium woman (with some room since I don't like form-fitting) and bought a men's small. Fits perfectly for my frame. Long enough to tuck in for my part-time extra weekend job uniform. Also suitable for the golf course. A little thin, and if you hold it up to light you can sort of see through it. *Not* flowy, soft and smooth fabric like a rash guard/sun shirt - more structured than that. But it's cool and does the job for the price under $10.
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