• Equisetum Horsetail weed

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Horsetail

Field Horsetail (Equisetum) is a fern-like, colony forming perennial weed. It spreads by way of rhizomatous roots. It is becoming more common and widespread in New Zealand.

Identifying

Horsetail is regarded as one of the most difficult weeds to get rid of. It forms colonies of upright shoots with whorls of needle-like leaf/branches at intervals up the stems giving the plant a brush or horse tail like appearance. The rhizomatous roots spread through the soil and send up new stems at intervals. The above ground shoots die back in winter and new ones grow from the roots each spring.

Systemic herbicides tend not to be effective unless all parts of the colony are treated together.

Solving

Spray entire colony of horsetail with Weed Weapon Extra Strength concentrate made up with Dye & Stick or Weed Weapon Rapid Action ready to use. It is important that all parts of the horsetail colony are sprayed so that all parts of the root system are effected by the systemic active ingredients.

If horsetail re-sprouts from the root, treat again.

For long term control in paths, driveways and other non-cultivated areas use Weed Weapon Long Term .

Did you know

Horsetail was used as a pot scourer in Europe in the distant past. Horsetail can be toxic to browsing stock animals.

Latin names: Field horsetail - Equisetum arvense, Equesetum hyemale.

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