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Seed, mow, water, and diagnose lawn problems with advice suited to your grass and growing conditions.
Search this topicSeed usually costs less and offers more grass varieties, but needs time and careful moisture management to establish. Sod covers the ground immediately and can help protect erosion-prone areas, although it costs more and still needs rooting time. Prepare the soil properly for either method; sod does not fix a poor planting surface.
Measure the area and use the seed label's rate. Divide the measured seed into two portions, spreading one in each of two perpendicular directions. Lightly rake and firm it so seed contacts soil without being buried deeply. Keep the surface moist during germination, adjusting watering for rain instead of washing the seed away.
After roughly ten to fourteen days, gently tug a corner in several places. Resistance suggests roots have entered the soil; pieces that lift easily still need establishment care. Keep the sod moist without saturating it, then reduce watering gradually as rooting improves. Treat the calendar as a check-in date, not proof of rooting.
Reseeding adds plants but does not remove the condition that weakened the old lawn. Check shade, soil compaction, drainage, mowing height, and soil-test results before repeating the work. Choose grass suited to the site and correct the cause where possible. Otherwise, the new seedlings face the same struggle as the original grass.
Seed needs contact with soil, so scattering it into dense leaves or a thick thatch layer gives unreliable results. Prepare small bare areas by raking to expose soil; larger compacted areas may need core aeration or suitable seeding equipment. Follow your grass type's renovation guidance, then maintain surface moisture while seedlings establish.
Different grasses germinate at different speeds. Kentucky bluegrass, for example, can take two to three weeks, so early sprouts do not mean the entire mixture has finished. Check the seed label and keep the seedbed evenly moist during the expected germination period. Also look for dry patches, washouts, or poor seed-to-soil contact.
No. A core aerator removes plugs of soil, leaving channels that help air and water enter compacted ground. Solid spikes make holes by pushing soil aside and can add compaction around them. For a small area, a manual hollow-tine tool can work; for a larger lawn, use equipment that actually extracts cores.
Usually not. Check moisture below the surface and water deeply when needed, allowing time between waterings. Frequent light sprinkling can keep roots shallow without wetting their full zone. Count rainfall, water early in the day, and pause if runoff starts. New seedlings need a different, more frequent watering routine while they establish.
Only apply lime when a soil test shows that the pH is too low for your grass. Lime raises pH; it is not a general lawn tonic or a substitute for fertilizer. Follow the laboratory's rate and retesting guidance. Adding it routinely can make soil less suitable for the grass and nearby plants.
Remove no more than about one-third of the blade's height in one mowing. For example, a lawn maintained at three inches should be cut before it exceeds about four and a half inches. Let growth determine mowing frequency. The final target height depends on the grass species, so do not apply one height nationwide.
Short clippings spread evenly can stay on the lawn, where they decompose and return nutrients. Break up or remove heavy clumps that would smother the grass. If the lawn has been treated with herbicide, follow the product's restrictions before moving clippings into compost or using them around vegetables and other plants.
A dull mower blade can tear leaves instead of cutting them cleanly. Check the cut tips and arrange sharpening or blade replacement according to the mower manual. Disconnect the appropriate power source before any inspection or maintenance. Sharp cutting edges, suitable mowing height, and regular mowing help the lawn recover more evenly.
Remove a small wedge of turf and examine the layer between the green growth and mineral soil. Measure that interwoven material, not the loose clippings on top. University of Minnesota guidance treats a layer over about half an inch as a reason to assess management. A thin layer alone does not require aggressive removal.
The plugs can remain on the lawn and crumble naturally. As they break down, their soil works back into the turf and contributes organisms involved in decomposing thatch. Let them partially dry before breaking them up if desired. They are an expected result of core aeration, rather than debris that must all be bagged.
They address different problems. Dethatching removes an excessive layer of interwoven plant material near the surface; core aeration removes soil plugs to relieve compaction. Check which problem you have before renting equipment. Both can stress turf, so schedule them when your grass is actively growing and able to recover, with appropriate follow-up care.
Moist conditions allow fungi living on decaying organic material to produce visible fruiting bodies. Old roots, thatch, and other buried plant material can supply that food. Mushrooms alone usually do not mean the grass is diseased. Remove unwanted mushrooms and review excess irrigation; do not treat an unidentified lawn mushroom as food.
It may be a fairy ring, where fungi break down organic matter and release nutrients that make nearby grass grow darker and faster. Look at the whole pattern before assuming fertilizer damage or a spreading grass disease. Manage excessive moisture and surface debris; a single patch's appearance is not enough to identify a mushroom species.
Arc is the angle the sprinkler covers as it turns; radius is how far it throws water. Identify which needs changing before using the adjustment tool. A sprinkler watering the sidewalk may need its arc corrected, while one shooting beyond the lawn may need a distance or nozzle adjustment.
For the supported Hunter rotor models, move the turret to its left stop and then its fixed right stop. Hold it at the right stop while turning the arc adjustment clockwise with the proper tool. Stop at the adjustment limit; forcing it can damage the mechanism. Check your model’s instructions first.
Turn the zone off before opening the sprinkler and inspect the filter in the removable internal assembly according to the model instructions. A blocked filter can reduce flow. Reassemble and test; Hunter says a rotor that still will not rotate after filter cleaning generally needs replacement rather than forced manual turning.
Debris and insufficient operating pressure are two possibilities. Shut the zone off to inspect and clean the nozzle’s filter, then test again. If the problem remains, measure pressure at the head using appropriate equipment. Hunter specifies an optimal pressure for this nozzle family; pressure elsewhere in the house is not the same measurement.
Water remaining in the zone piping can drain through its lowest head after the valve closes. This should stop when that stored water is gone. Hunter calls it low-head drainage and describes compatible check valves as a remedy. Observe whether the flow ends before assuming the zone valve is faulty.
Not if the zone valve is allowing fresh water through. Unlike brief drainage from the piping, a continuing leak can indicate debris or damage at that valve. Shut off the irrigation supply before servicing it or arranging repair. A check valve at the sprinkler does not correct a leaking zone valve.
Check every program’s start times. On the Hunter controllers described in this guidance, one start time begins the entire sequence of assigned stations. An extra start time repeats that program rather than identifying the next station. Remove unintended starts while preserving any deliberate separate watering cycles.
Source checks for these answers: September 21, 2026 – September 22, 2026. Product instructions and local requirements can vary.