Cool-season lawns in northern states

Cool-season lawns in northern states may be temporarily over-seeded with perennial rye grass or tall fescue. Mow frequently and water deeply to encourage re-establishment of lawn grasses and discourage weed growth. In the meantime, aerate the soil to get air and sunlight to struggling roots.  

For assistance on the job, check out our main page here:  
flood restoration Auckland City
. Remember, if you are dealing with a flooded lawn, wait until the soil is sufficiently dry. Your objective will be to get the air back into the soil and "mitigate", or relieve, any toxicity in it. Recovering lawns can be fertilized and over seeded in fall.   Bacteria and chemicals carried by flood waters must be removed before re-planting can proceed. If water sits on the soil for longer than a week or two, it can become "hydric", meaning that all of the air is squeezed out of it, making it fit only for aquatic plants and mosses.   Methods of reestablishing lawn grass will depend on the degree and type of damage done by flooding. Heavy equipment and excessive foot traffic can tear up plants and create a muddy, silty mess in lawns that would otherwise be lightly damaged. Flooded trees and shrubs have undergone a shock and may be experiencing a forced dormancy. But wait! Experience has shown that your landscape may at least partially recover. If the flooding is the result of a Hurricane storm surge, salt water deposits a load of sodium on the lawn grass that can kill it. Soil composition may also be severely altered. Fertilizer will certainly be washed away. Over seed with rye grass or bent grass in warm-season areas.
Flooding suffocates your lawn.
Flood damage to your home or office maybe quite extensive and overwhelming. Refrain from using a high nitrogen fertilizer on trees and shrubs at this time.

Remove fallen trees and debris to allow sunlight to get through to grass roots. Many plants will look dead.
After the flood waters have receded the landscape will be covered in thick silt and it may have a raw sewage-like odor, which indicates a lack of oxygen in the soil. Heavily damaged lawns should be cultivated, fertilized, rolled and re-seeded---or sodded--in fall. Most flooding is not so severe, however, and it is possible to rehabilitate the lawn. What about your landscape and garden? Your first impulse may be to pull all the plants out and start over. Stay off the lawn until the ground is solid enough to support movement. Take a soil sample if possible to determine is fertilizer is needed. Will these plants survive? Plants that have shown good survival after two weeks under flood waters include Drive microcircle most native trees, shrubs, perennials and hardy bulbs