Mowing
This is the most obvious (and one of the most important) maintenance task over spring and summer. Mowing regularly keeps the lawn in good health. See our advice on lawns: mowing for more on the different cutting heights and mowing frequencies recommended in spring and summer.
Killing moss
Moss is a problem in damp, poorly drained lawns. Spring is a good time to remedy moss problems. There are several options for dealing with moss in lawns, see our advice on moss in lawns for further detail.
Feeding
In mid-spring (often late March to April), use a proprietary spring or summer lawn fertiliser at the manufacturer’s recommended rates. Feeding the lawn will increase vigour and help prevent weeds and moss from establishing. Apply fertilisers when the soil is moist, or when rain is expected.
If grass loses its vigour and freshness between late spring and late summer (often May to August), repeat the application of spring or summer lawn fertiliser or apply 15g per sq m (½oz per sq. yd) sulphate of ammonia mixed with four times its weight dry soil. Mixing with soil ensures even distribution and avoids scorching the grass. Apply this mixture in cool, moist conditions and lightly water it in. As an organic alternative, use chicken manure pellets. Repeat fertiliser application a third time if needed six to eight weeks later.
Do not apply spring or summer lawn fertilisers, chicken manure pellets or sulphate of ammonia after August. They contain too much nitrogen for autumn use, encouraging green leafy growth at the wrong time of year, when it could be damaged by winter cold or pests and disease.
Over-seeding
After moss or weeds have been removed, or where grass is growing sparsely, over-seeding may be necessary. Early autumn is the best time for this job, but mid-spring is also suitable.
- Break up the surface with a fork and rake it to make a reasonably fine surface.
- Sow grass seed at half the recommended rate or, where there are no recommendations, at 10-15g per sq m (½oz per sq yd).
- Lightly rake to incorporate the seed into the surface.
- Where birds are a problem, net the area.
- If the weather remains dry for two or three days water gently with a sprinkler.
- Grass should sprout seven to 10 days after sowing.
In heavily used areas, choose a hardwearing utility mix containing ryegrass. Most lawn grasses do not thrive in shade, so for these areas choose a shade-tolerant mix.
Watering
Even if lawns turn brown and dry over summer, they usually recover well when rains return. Watering is usually not necessary over summer. See our advice on lawns: care during drought for more on limiting damage and conserving water in the lawn.
If you do have to water the lawn and maintain a green sward, water when the soil becomes dry, but before the grass turns yellow or brown. If the ground is very hard, aerate it by spiking with a garden fork before watering, to aid water penetration.
Watering once a week to every 10 days is normally sufficient. Ensure that the water reaches a depth of 10cm (4in) after each watering. In the middle of summer 1 sq m (1 sq yd) needs about 20-litres (5 gallons) every seven days.
Looking after new lawns
Lawns from turf should be left completely un-used for their first week. Lawns from seed should be left un-used until their first mowing. Avoid using new lawns heavily in their first season.
Newly laid lawns can be fed like established lawns. They need watering, but should not be over watered, as this may result in shallow rooting and poor establishment.
For advice on aftercare of newly sown lawns, see our advice on lawns from seed.
For information on the products and services we offer at Easylawn please visit us online - www.easylawn.co.uk
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