Gem Granules Weed Control is a highly effective, granular herbicide formulated to provide long-lasting control of broadleaf weeds and grasses around trees, ornamentals, and in horticultural settings. With its slow-release action, Gem Granules target weeds directly at their roots while minimising the impact on surrounding plants and crops.
Designed for professional use, Gem Granules are ideal for landscapers, tree care professionals, horticulturalists, and grounds maintenance teams who require precise, efficient weed control. Whether used in parks, gardens, or tree plantations, Gem Granules are formulated to maintain a clean, weed-free environment for the healthy growth of trees and ornamental plants.
Features & Benefits
Selective control of broadleaf weeds and grasses without harming trees and ornamentals
Slow-release formulation ensures long-lasting effectiveness
Convenient granule form for easy application and precise spreading
Perfect for trees, shrubs, and ornamentals in gardens, parks, and horticultural settings
Low application rate makes it a cost-effective solution for large areas
Available in both 1kg and 5kg sizes for flexible use depending on the scale of the task
Application Rates
Spreading Rate: 37.5 kg per hectare or 3.8g per m²
1kg pack treats approximately 260 trees
5kg pack treats approximately 1,300 trees
Note: Always follow the product label for precise instructions regarding application, especially on sensitive plants.
Type of Weed Control
Pre-emergent and post-emergent granular herbicide for broadleaf weeds and grasses
Weeds Targeted
Dandelion
Clover
Ragwort
Buttercup
Groundsel
Speedwell
Thistle
Chickweed
Plantain
Active Ingredient
Fluroxypyr (5%) (as a granular formulation)
Areas of Use
Trees and ornamentals in gardens, parks, and landscaping projects
Horticultural settings including nurseries, tree plantations, and shrubbery
Public spaces such as gardens and urban landscapes
Non-crop areas and industrial land
Coverage
5kg pack treats approximately 1,300 trees
1kg pack treats approximately 260 trees
Note: Coverage will vary based on tree spacing and weed density.
MAPP Number
MAPP 19182
Period of Use
Best applied during spring and autumn when weeds are actively growing
Avoid using during frosty conditions or drought stress on trees
Professional Use Notice
Gem Granules Weed Control is designed for professional use only. Users must ensure they comply with UK pesticide regulations and hold appropriate certification (e.g., PA1 and PA6) for herbicide application. Always follow safe handling practices and adhere to environmental protection guidelines.
Why Order From Green-tech?
Specialist supplier for tree care, landscaping, and horticulture professionals
Fast, reliable UK-wide delivery
Access to a complete range of weed control, fertiliser, and plant health products
Expert advice and technical support for safe, effective herbicide use
Bulk purchase options available for contractors and councils
Please Note:
This product is dispatched directly from our trusted supplier’s warehouse. While we aim to keep product availability as accurate as possible, we do not have live stock control for these items. Availability is subject to change, and delivery can take up to 15 working days, depending on stock levels at the time of order.
Tracking information will be provided where available, but please note this is dependent on the supplier’s shipping process. If you have any questions about lead times or delivery, our team is happy to help before you place your order.

Specification Detail
Application Rate 37.5kg per hectare / 3.8g per m²
Weeds Targeted Broadleaf weeds, grasses, dandelions, clover, ragwort, etc.
Active Ingredient Fluroxypyr (5%)
MAPP Number 19182
Areas of Use Trees, ornamentals, horticulture, parks, nurseries, landscapes
Coverage 1kg = 260 trees, 5kg = 1,300 trees
Period of Use Spring to autumn, avoid frost or drought conditions