Fathen will grow up to 2 metres tall but is often found as a small seedling in garden flowerbeds. The leaves are pale green grey.
Fathen is a common weed in gardens, roadsides, agriculture and waste areas. Fathen is toxic to both sheep and pigs due to its high levels of oxalic acid.
In garden beds
To control fathen seedlings in garden beds, spot treat with Weed Weapon Extra Strength, Weed Weapon Rapid Action or Organic Weedfree Rapid. Weed Weapon Extra Strength is systemic and kills weeds down to the roots within 2-4 days and is an ideal product for use around established trees and shrubs. It is inactive in the soil so planting can be safely carried out soon after treatment. Organic Weedfree Rapid will burn down young weeds within hours and is certified organic by BioGro.
For best results apply spray in Spring and Autumn when weeds are growing. Control before flowering and seeding to prevent similar problems the following year.
In paths and driveways
For long term control on paths and driveways use Weed Weapon Long Term. This will kill a wide range of weeds and prevent regrowth for up to 12 months.
For best results apply spray in Spring and Autumn when weeds are growing.
Did you know
Similar, related weeds include Mexican tea and Clammy goosfoot.
Latin names: Fathen - Chenopodium album, Mexican tea - Chenopodium ambrosiodes, Clammy goosfoot - Chenopodium pumilio.
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 Fathen
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- Weed Weapon Direct Hit
- Weed Weapon Extra Strength
- Weed Weapon Extra Strength Ready to Use
- Weed Weapon Invade Gel
- Weed Weapon Long Term
- Weed Weapon Preventer
- Weed Weapon Rapid Action