Pyrethrum 5EC Natural Organic Insecticide 250ml


Price:
Sale price£39.95

Frequently Asked Questions

Description

Preteherum 5EC is a concentrated horticultural solution designed to support healthy growth in herbs, aromatic crops and other botanical plants by controlling a wide range of common indoor pests. It delivers a fast acting contact effect that helps protect both young and mature plants in high performance growing environments.

Pyrethrum is a naturally derived extract from dried Chrysanthemum flowers. It acts on the nervous system of insects, providing a rapid knockdown effect against aphids, fungus gnats, fruit flies, greenfly, blackfly, whitefly, spidermites, springtails, ticks, tobacco beetles, moths and many other common pests. Because it breaks down quickly, it leaves no toxic residue and is widely accepted for use in both organic and non organic farming. Edible crops can be harvested only 24 hours after application.

Key Benefits

  • Fast acting contact control of a broad range of common grow room pests
  • Suitable for seedlings, herbs and mature botanical plants
  • Naturally derived and widely used in organic systems
  • Breaks down quickly with no lasting residue
  • Works in indoor, greenhouse and controlled environments

How It Works

Preteherum 5EC delivers refined pyrethrum extract directly to pest insects through full leaf coverage. Once contacted, it disrupts insect activity and feeding, helping plants recover quickly and maintain strong growth. Its rapid breakdown helps keep growing conditions clean without long intervals between applications.

Recommended Use

Use Preteherum 5EC as part of an integrated plant care routine, particularly during early and mid growth stages when plants are more vulnerable to pest pressure.

  • Mix Rate: Combine 4 ml per litre of clean water and stir thoroughly.
  • Application: Apply with a fine mist sprayer, fully coating both the upper and lower leaf surfaces.
  • Frequency: Reapply as needed based on pest pressure. Allow plants to dry fully after spraying.
  • Environment: Dim or raise lights during application and maintain strong air movement until leaves are dry.

A 250 ml bottle produces over 60 litres of ready to use foliar spray.

When To Use

  • During vegetative growth to keep leaf surfaces clean
  • At the first signs of pest activity
  • As a preventative measure in dense indoor canopies

Tips For Best Results

  • Prepare a fresh solution before every application
  • Rotate with other plant care products to avoid resistance
  • Increase air movement after spraying to maintain ideal humidity

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