How Do Weeds Spread?
Understanding how weeds spread is an important part of knowing how to control them:
- Water: Some seeds can float, so rain and surface water runoff can transport seed long distances. Flooding rivers can move large quantities of seed very easily.
- Wind: Wind can carry seeds over large areas. Weeds dispersed by this method often have light fluffy or even winged seeds that can easily be blown around. In some cases the whole plant can be blown by the wind.
- Animals: Mammals and birds can carry all sorts of seeds on their bodies. Some weeds have hooks, spines or burrs to help them stick to animal hair & fur. Some seeds are also eaten and excreted out at new locations. These seeds have adapted to pass through the digestive system unharmed.
Some types of weeds require treatment at certain times of the year, while others can be treated any time. Some require only spot-treatments, and some require whole yard treatment.
Safety & Tips
It’s important to keep yourself safe while treating weeds:
- Always read the label before using the chemical.
- Wear thick gardening gloves at all times.
- Wear appropriate clothes for outdoors – at least long trousers, hat and boots
- Ensure correct ratio of water and chemical is mixed
- Avoid windy days
- Spray in the morning while there is a little moisture on the lawn
- Avoid rainy days
Common Weeds Found in Lawns
- Thrives in dry conditions
- Usually during Winter & Early Spring
- Kikuyu and Couch are higher risk due to their dry preference
- Easily treated with Broad Leaf Weeder & Feeder
- Some treatments effect Buffalo lawns, so read the description
- Extremely difficult to control
- Thrives on waterlogged soil
- Indicates poor soil drainage, irrigation leak or over-watering
- Can tolerate harsh conditions once established
- Produced tubers 8-14 inches underground
- Best treatment involves removing roots and tubers completely
- Glyphosate-based can be used, ensure it’s only applied to the weed itself
- Can require second treatment
- Course Leaf grass with deep root system
- Summer time weed
- Can be treated with Paskill
- Common in sandy soils throughout coastal regions
Weed Treatment Pictures (Click To Enlarge)
|Treating The Weed|
|Before Treatment||After Treatment|
|1wk After Treatment||1wk After Treatment|
|2wk After Treatment||2wk After Treatment|
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