Things Needed
Whether you are add a novel gardening layer , you are unhappy with the St. Augustine grass or have a lawn - remodel project , sometimes you are required to belt down the grass and murder it . The life-time of St Augustine grass varies , consort to grunge , mood and cultural condition , but it may be necessary to replace some St. Augustine lawns after 15 year , according to pull away University of Georgia Cooperative Extension agentWalter Reeves .
St. Augustine ( Stenotaphrum secandatum , USDA hardiness zone 8 - 10 ) is a warm - time of year gage predominately found growing in the warm coastal regions of the United States . This grass spreads sharply by above ground stem or blue runner , called stolons , which grow up to 1 inch per daylight during the warm growing season . TheUniversity of Florida IFAS Extensionnotes that it ’s the offset that cause the lateral growth of St. Augustine , give this pot its belligerent spread tendency . nurseryman like to get rid of the grass will have succeeder , but it will take up to two week for the full eradication of the St. Augustine .
1. Stop Mowing St. Augustine
Suspend mowing the St. Augustine grass before you mean on killing it . The longer the grass blades , the more surface the herbicide has to stick .
2. Thoroughly Water St. Augustine
Water the area of St. Augustine grass exhaustively , for approximately two to three week before beginning the eradication mental process . The water will " plummet " the weed blades up , allowing more control surface area for the weedkiller to work .
3. Fertilize to Promote Lush Growth
Apply lawn fertilizer to the St. Augustine to " plump " it up and get the grass in its healthy chassis before beginning the process of killing it . This is not a requirement but allows more steel aerofoil to prepare , help the herbicide oeuvre better .
4. Mark the Area
tick off the section of St. Augustine grass you hope to bolt down , if you will not be obliterate the entire region . utilize a horticulture spray rouge and spray around the section of grass you wish to get rid of .
5. Suspend Watering the Grass
Turn off all water to the area of St. Augustine the day before you intend on beginning the operation of killing it and keep it turned off . You do not want surplus water on the forage that will wash the weed killer off the blades .
6. Killing Lawn with Glyphosate
fulfil a pump - up atomiser with a non - selective grass and grass killer and mix , per the package didactics . pick out a herbicide that does not affect the area ’s ground long - term , especially if you intend on replanting the area with more grass or other flora .
It ’s of import to select a product that truly contains a non - selective weedkiller . For example , theOhio State Universitynotes that the Roundup brand also includes a product telephone " Roundup for Lawns , " which is a selective herbicide that will not harm your lawn . However , the " Roundup " products that contain non - selective herbicides are effective for killing lawn with glyphosate , including St. Augustine .
In the past tense , using MSMA on St. Augustine to kill the grass was an option for householder ; however , this highly toxic chemical substance herbicide is now only used in limited applications by certify pest - control professionals .
7. Apply the Herbicide
Apply the weedkiller early in the sunrise of a gay day when there are no winds . Spray the field of St. Augustine grass you are pour down , fully saturating the leafage leaf blade . Spraying early in the morning allows the product to fully dry on the grass blades and the sun will quicken the killing process .
8. Reapply the Herbicide
Repeat the coating of weedkiller in approximately three to four days , killing any St. Augustine that is hang onto life . Do not water the arena for approximately two workweek to allow the mathematical product to work . The gage should start to work brown and die . If green areas continue in the St. Augustine , repeat the software of herbicide to those areas .
9. Remove the Dead Grass
Remove the grass two workweek later when it has conk out and turned brownish and no sign of green is left . Dig the grass from the ground being sure to take the roots .
