Wild fennel and similar weeds such as wild carrot, wild parsnip, hemlock and hogweed are common on roadsides and in waste places.
These weeds are fast growing up to 2 metres tall and have finely divided feathery leaves. The flowers are many small white or yellow flowers together in an umbrella-like clump.
For quick and effective control of fennel weed apply Weed Weapon Extra Strength. It will knock down fennel and similar weeds in 2-7 days.
For woody mature fennel apply Weed Weapon Woody Weeds to all parts of the plant. It will control the fennel and similar weeds within 7–10 days.
For best results apply in Spring, Summer or Autumn when the plant is in active growth.
If you wish to more effectively prevent regrowth, apply Weed Weapon Preventer granules. This is a selective pre-emergent herbicide which penetrates deep into the soil. Do not plant seeds or sensitive plants into treated soil within 3 months of application.
Did you know
Fennel has a strong aniseed smell. It is a member of the carrot family that includes water celery, hemlock, wild carrot, giant hogweed, parsley, wild parsnip and others.
Latin names: Fennel - Foeniculum vulgare, Wild carrot - Daucus carota, Water celery - Apium nodiflorum, Hemlock - Conium maculatum, Giant hogweed - Heracleum mantegazzianum, Parsley dropwort - Oenanthe pimpinelloides, Wild parsnip - Pastinaca sativa, Stone parsley - Sison amomum
Biodiversity and Biosecurity Weeds
In New Zealand many weeds cause environmental damage. They may have started off being planted in gardens as ornamentals, and only became a problem when they ‘escaped’ in to the wild where they are not wanted.
How to Use Weed Weapon Preventer to Stop Weeds Emerging
How to use Weed Weapon Preventer to keep weeds away for months amongst shrubs and trees and in pots.
Deals with Fennel
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- Weed Weapon Direct Hit
- Weed Weapon Extra Strength
- Weed Weapon Extra Strength Ready to Use
- Weed Weapon Long Term
- Weed Weapon Preventer
- Weed Weapon Rapid Action
- Weed Weapon Woody Weeds