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Gemstone Granules 5kg

Availability: In stock

Long Lasting Granular Weed Killer

  • Buy 4 for £48.00 (£57.60 inc VAT) each and save 8%
£62.40 Inc VAT £52.00 Ex VAT
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Product Description

Gemstone Granules is a residual herbicide that can be applied around trees, shrubs and ornamental plantings in order to deliver long-lasting weed control against grasses and broad-leaved weeds. It is best to apply Gemstone Granules between October & February when conditions are cooler. This will control many of the weeds which are present at the time and also deliver long-lasting control of germinating weeds. 

Gemstone Granules is the standard treatment when controlling weeds around Christmas trees as it does not harm the tree and offers long lasting control. Use this product with the Gemstone Granule Applicator for even coverage. Gemstone Granules is a more cost effective alternative to main brand, Kerb Granules.

To view the full list of controllable weeds, and the range of trees & ornamentals it is safe to use around, please download the product label. 

If you require a smaller pack size then please look at Gemstone Granules 1kg.


Key Benefits: 

- Offers long-lasting weed control over grasses and broad-leaved weeds around trees, shrubs and ornamental plantings. 

- The go to product when controlling weeds around Christmas trees. 

- More cost effective than the main brand, Kerb Granules

- Can be used in all weather conditions.


Our Recommendation: 

- Always read the product label before use. 

- If you want to kill grass which is already established around trees & shrubs then use Falcon.

- The active ingredient of this product is also available as a sprayable liquid called Kerb Flo 5L

- Always wear protective clothing, such as Chemical Resistant Gloves, when handling Gemstone Granules. 


Brand Gemstone Granules
Active Ingredient 4% propyzamide
MAPP NO 17898
LERAP Category Does Not Apply
Pack Size 5kg
Pack Size Coverage Treat 1,300 trees
Period Of Use January, February, March, April, October, November, December, Spring, Winter
MPN Does not apply

Application Rates

Maximum Individual Dose- 3.8g per m2

Maximum Total Dose Per Year - 3.8g per m2

Recommended Period of Use
Jan Feb
Mar Apr May
Jun Jul Aug Sep Oct Nov Dec
leaf leaf leaf  leaf           leaf leaf leaf
leaf = Optimum time for application

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