The JK1000 Stem Injector is a professional-grade tool designed for the targeted application of herbicides into the stems of invasive plants like Japanese Knotweed and Giant Hogweed. Manufactured from pressure-moulded polycarbonate, brass, and high-grade steel, the JK1000 ensures durability and precision in challenging environments .
The JK 1000 Stem Injector is a precision-engineered tool designed specifically for the stem injection of invasive weeds, such as Japanese Knotweed and Giant Hogweed. Favoured by professional contractors, local authorities, and environmental specialists, the JK 1000 offers a highly targeted, chemical-efficient method of applying herbicide directly into the plant’s vascular system – killing it from the inside out with minimal environmental impact.
This stem injector is ideal for use in sensitive areas where traditional spray application is not suitable, such as near watercourses, public spaces, conservation areas, or dense vegetation. It helps reduce herbicide drift, saves chemical costs, and improves treatment success rates on tough-to-control invasive species.
Key Features:
Targeted Application: Delivers herbicide directly into the plant's vascular system, ensuring effective control.
Durable Construction: Built with high-quality materials for longevity and reliability.
Versatile Use: Suitable for various invasive species and adaptable with different needle types.
Environmentally Conscious: Minimizes herbicide usage and reduces the risk of affecting non-target plants.
Available Kits and Accessories
JK1000 Injection Tool Pack
Contents: JK1000 Injector, standard needle, and carrying case.

JK1000 Professional Kit
Contents: JK1000 Injector, spray tip applicator for spot treatments, and additional accessories.
Designed For: High-usage professionals requiring both injection and spot spraying capabilities.
Contractor Pack
Contents: JK1000 Injector, a selection of needles (including cavity and heavy-duty), and maintenance tools.
Ideal For: Contractors managing large-scale invasive weed control projects.
Cavity Needle
Purpose: Designed for injecting herbicides into plants with hollow stems, such as Japanese Knotweed.
Heavy Duty Needle
Purpose: Suitable for woody or tougher stems, providing durability during repeated use.
Professional Use Advisory
The JK1000 Stem Injector is intended for professional use. In the UK, operators must comply with regulations governing pesticide application, including holding appropriate certifications (e.g., PA1/PA6). Always follow the manufacturer's guidelines and safety instructions when using this equipment. 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 Details
Tool Type Stem Injection Tool
Primary Use Control of invasive species like Japanese Knotweed
Construction Materials Polycarbonate, Brass, High-Grade Steel
Application Method Direct stem injection
Compatible Herbicides Glyphosate-based formulations
Areas of Use Hard surfaces, artificial surfaces, aquatic areas
Accessories Available Cavity Needle, Heavy Duty Needle, Spray Tip