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weeds growing in winter

Weeds growing in winter

While the northern parts of the US are in the process of hunkering down for the winter, the milder temperatures of the southern states are providing the ideal temperatures to control many troublesome weeds in what soon will be dormant lawns.

The Different Types of Winter Weeds

Winter annuals germinate in the fall, grow during the winter, and then develop flowers and set seeds in the spring and finally die when the weather turns hot during the summer. The seeds they leave behind will germinate in the following fall.

What Are Some Common Winter Weed Control Methods?

The ones that are most troublesome are the winter broadleaf annual weeds, which include common chickweed, henbit, lawn burweed, large hop clover knawel and parsley-piert.

Weeds growing in winter

The first step in selecting the appropriate spray is to try to identify weeds. If you cannot identify the weed, you need not worry as most sprays will kill a wide range of weeds. Check out Lawn & Weed Control Chart for what sprays control what weeds in which lawns. A handy chart to have on hand.

Winter lawn growth is slow in Winter so you can afford to keep the lawn longer to keep out the weeds in the first place.

Control Winter weeds in Australia #aboutthegardenmagazine.indd

This is the most important step. Identify your lawn type as not all sprays can be used on all lawns. Once you have identified your lawn type, select the sprays that are suitable for use on that lawn type. If you cannot confidently identify your lawn type, test spot spray a small area first to ensure the spray does not damage the turf before spraying large areas.

The time of spraying is very important. The best time to spray is about 3-4 days after mowing and on a clear, fine day with no sign of rain. After weeds are mown, they will start to re-grow immediately and it is while they are in their growing phase that they are most susceptible to sprays.

Most lawn weeds begin their germination and growth in winter, especially bindii, clovers and broad leaf weeds, so this is the perfect time to commence an eradication program for a weed free lawn through the spring and summer seasons.

Repeat spray new weeds that have germination after the initial spray. Repeat spray a few weeks afterwards the initial treatment.