Q. How do I kill Kikuyu grass in couch lawn?
A. After speaking to a yates horticulturist and from my research on the internet there doesn't seem to be any kind of spray that's suitable for this purpose. It seems like manually pulling out the Kikuyu is the best way to remove the weeds. Or Alternatively, you could use a spot applicator to apply some weedkiller on the Kikuyu grass, being sure to avoid touching the couch grass.
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Q. How do you kill wintergrass in Kikuyu lawn?
A. As far as I know, there is no known chemical spray that can kill the Wintergrass without hurting the Kikuyu lawn. After looking online most websites generally offer the following kind of advice.
You have a couple of options of ridding your lawn of wintergrass. You could use the wintergrass killer now and kill off the wintergrass (and the Kikuyu), then in three months time, oversow the area with Kikuyu seed. (It will take the winter grass approximately 60 days to die.)
Or in spring, you could selectively apply weed killer to the wintergrass then oversow the bare patches with Kikuyu or alternative seed. Glyphosate weed killer acts more quickly than winter grass killer but you must wait for the weeds to die down totally before oversowing.
Highly recommended! Grassmaster Lawn fertiliser by Terra Firma combines fast acting NPK fertiliser with natural slower acting sources of nutrients such as Blood & Bone, Fish Meal, Seaweed extract & composted Poultry Manure.
A blend of natural minerals that helps improve the overall structure of the soil and turns sandy soil into rich garden soil. It contains Bentonite Clay, a naturally occurring mineral, which gives sandy soil a cohesive structure with good drainage but also the capacity to hold water and nutrients and release these minerals back to plant roots.
Combination of two selective weedkillers, controls bindii, clover, and other broadleaf weeds such as dandelions in many types of lawns.
For control of bindii, clover, oxalis and other weeds in buffalo (except ST varieties) couch and QLD blue couch domestic lawns. Searles Buffalo Master is a concentrated herbicide blend of 2 powerful and effective herbicides. BROMOXYNIL acts quickly, and the MCPA provides residual control.
Munns Pixie Sun N Shade is ideal for heavily shaded to full sun areas or gardens that have both. Other benefits include: Drought Tolerant, Hard Wearing and Evergreen lawn that will grow in a wide range of soil types ie clay to sandy. Ideal for new lawns, oversowing existing lawns or lawn repair.
Granules Shaker Pack Covers 50 Sq Metres to control Ants, Earwigs, Lawn Grubs, Lawn Beetle Grubs, Millipedes, Mole Crickets, Slaters and Corbie. For lawns, bowling greens, garden beds, tennis courts and around pots, pavers etc.
Kills Bindii, Clover, Oxalis and Other Broadleaf Weeds in Lawns. Treats 130 squared metres. Safe for Buffalo and Kikuyu Lawns. Easy Hose-On or mix yourself.
Queensland Blue Couch is a soft, fine leaf grass which has a blue green colour which mows to a beautiful carpet. Ideal for temperate and sub-tropical areas. Sow from late September to late February. NOT to WA. See disclaimer before ordering.
Brunnings Bindii Spray is an easy to use hose-on application which kills bindii weeds without harming your lawn. Bindii Spray requires no mixing of chemicals. Just click and spray. Covers 130 sq m.
Highly Recommended! Professor Mac 3 in 1 Lawn & Garden is based on essential oils and is a 3 in 1 organic insecticide, fertiliser and soil wetter.
Can be used as a concentrate, Highly Recommended! Professor Mac's 3 in 1 Lawn & Garden is based on essential oils and is a 3 in 1 organic insecticide, fertiliser and soil wetter.