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Ronstar Liquid 5L

Incl. VAT: £282.00 Excl. VAT: £235.00
Quick overview:
A Long Lasting Herbicide For Use Around Plants & Shrubs
Incl. VAT: £282.00 Excl. VAT: £235.00

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MAPP No – 11215

LERAP Category – N/A

Active Ingredient – 25% oxadiazon

Knapsack Rate – 100ml per 10L of water

Boom Sprayer Rate – 4-8L per Hectare

Area Covered – Up to 1.2 Hectares or 12,000m2

Pack Size – 5L

Required Safety Equipment - Gloves, Face Shield & Coveralls

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This product is now out of stock. We do however have some replacment products. Please contact us at for more information.


Ronstar Liquid is used for controlling troublesome weeds in and around shrubs and trees. These can be in new or established plantings, and it will give several months control from spring and summer germinating weeds. Expect control of the following weeds; black bindweed, groundsel, cleavers knotgrass, speedwell, mayweeds, shepherds purse, fat-hen, redshank and annual meadow grass.


The Image below shows weeds competing against young trees

 Weeds around trees


Our Recommendation

  • For extra control use in conjunction with Ronstar 2G at up to 2kg per 100m2 of container surface
  • Use around new trees and shrubs to keep weeds suppressed
  • Mix in with Blue Dye to ensure no areas have been missed




*Use plant protection products safely. Always read the label and product information before use*

*For more information regarding this product please download the Product Label*



Safe Use Of Pesticides


Please be aware that by proceeding you are agreeing to the legal responsibilities covering the storage and use of professional pesticides. The purchaser and/or end user must hold the correct qualifications and use products in line with the industry Code of Practice.


The responsibilities of the purchaser/end user are covered by The Food and Environment Protection Act 1985 (FEPA) and Control of Pesticide Regulations 1986 (COPR). For details of these regulations click here


Product Documentation

Product Label - click here

Material Safety Data Sheet (MSDS) - click here




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Additional Information

Brand N/A
LERAP Category N/A
Active Ingredient N/A
Treats (Pest/Weed/Disease) N/A
Area of Use N/A
Safe For Use On N/A
Period Of Use N/A
Pack Size N/A
Pack Size Coverage N/A
Application Method(s) N/A
Boom Sprayer Rate N/A
Knapsack Sprayer Rate N/A
Fertiliser Spreading Rate N/A