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Lawn Grass Weeds

Lawn Grass weeds (Rogue grasses) are a perennial menace and far more difficult to eradicate in fine grass lawns.
Once these grasses are established in your lawn it takes a lot more effort and generally more than one application of herbicide to remove them but we do have the solution.

Our revolutionary weed killers contain and prevent further intrusion of hardy type grass weeds like Paspalum, Kikuyu, Couch, Summer Grass and Poa Annua.
 
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Paspalum
Paspalum is a perennial grass weed which causes problems throughout New Zealand and especially over summer when it grows most actively and produces large tough seed heads. The tough stems of paspalum often grow in excess of 30cm even in closely mown lawns. Paspalum grows best under warm conditions. It becomes almost dormant in winter then often grow s prolifically in summer when many other turf grasses are becoming stressed.

The vigourous growth is also assisted by paspalums good tolerance of very dry conditions. Once paspalum has established it is very difficult to remove and cultural strategies are generally ineffective at controlling it.The spray control we use to remove paspalum from your lawn work’s best in the late spring early summer months. There is seldom control of paspalum with one application - repeat application is necessary whenever re growth occurs.

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Poa Annua
Poa Annua is arguably one the most troublesome and common turf weeds in New Zealand. Commonly referred to as "Poa," it’s difficult to identify because Annual Poa is a grass species and control of it is very is difficult for DIY gardeners. Poa annua, as its name suggests, usually lives for only one year.

It is usually found in cool, frequently watered, shaded areas as well as in compacted soils. It grows rapidly in the spring, especially if the lawn is fertilised. Seed heads appear in mid- to late-spring at the same height that the grass is cut. The seed heads give the lawn a whitish appearance. These seeds fall to the ground and germinate in the cooler weather of late summer and fall. When hot, dry weather arrives, the plant turns pale green and dies.

When it dies, it leaves bare areas where large patches of it once existed. The best way to prevent Poa annua from invading your lawn is to keep it from germinating in the first place, and the best prevention is a strong, healthy lawn. A well-rounded lawn care program like ours with properly timed fertilisation, sequential weed control, irrigation and dethatching will strengthen your lawn, control Poa selectively and provide some residual protection from further establishment of new seedlings.

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couch
Couch
Couch is a very common warms season creeping grass native to most of Europe and Asia. Other names include twitch, quick grass, quitch grass, dog grass, and quack grass. It can be used to sew a lawn in warmer climates providing a drought tolerant, fine leafed and hard wearing home lawn that is very easy to mow. It has also long been proven as the grass of choice for stadiums and golf course throughout New Zealand and Australia because of it’s lush appearance, water tolerance and rapid recovery. But it is generally referred to by New Zealanders as a grass weed. It’s a summer grass species but turns dormant in winter and some would extol this as a benefit of couch (to the home owner) by highlighting the low maintenance of the grass in winter.

But there is no changing New Zealanders’ minds that grass should be green in winter so Couch is considered a weed.

Couch is a grass species and the similarities between couch and most of our temperate grass species, so control of it in your lawn is very difficult. There are also few herbicide options available to control this grass selectively. Our programme is designed to regulate its growth and discourage the active spread of the grass.

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