When to Use

Lawn Sand can be used any time between late spring and early autumn, when grass and weeds are actively growing.  Choose a time when the soil is moist and the grass is dry.  Do not apply during drought or freezing conditions.  Do not apply in windy weather to avoid drift onto plants, patios, decking or ponds.

 

how to use

Apply at 135gms per square metre, either by hand or with a spreader. 
 
Application by hand:  we recommend that you mark out square metres on your lawn using either pegs and strings or canes.  Then sprinkle the product on as evenly as you can at a rate of 135gms per square metre (4oz per sq. yd).  Initially, spread the recommended amount over one of the squares and then use this as a visual guide for the remaining squares.  It is advisable to wear gloves.
 
Application by spreader:  set the spreader to the setting that will dispense 135gms per square metre (4oz per sq. yd). 

after application

 Leave the Lawn Sand to work for a day without watering.  If it does not rain within the next couple of days water in thoroughly to make sure the Lawn Sand is taken down into the grass.  Avoid walking on the lawn until it has rained or been watered in.  Wait 3 days after application before mowing the lawn.

what to expect

 Leave the Lawn Sand to work for a day without watering.  If it does not rain within the next couple of days water in thoroughly to make sure the Lawn Sand is taken down into the grass.  Avoid walking on the lawn until it has rained or been watered in.  Wait 3 days after application before mowing the lawn.

 

analysis

Nitrogenous Fertiliser with Iron
Total Nitrogen (N)   5.0%
Total Iron (Fe) 2.0%
Iron soluble in water  1.5%
Contains 5.5% w/w Ferrous Sulphate (as FeSO4 )

The modern selective weed killers have become extremely popular and old-fashioned lawn sand is now often ignored in the weed killer programme.  It is true that the active ingredient (ferrous sulphate) can scorch fine grasses when carelessly applied and it only kills the top growth and not the roots but a wide variety of weeds, including moss, are kept in check.  There is also the added bonus from its other ingredient (ammonium sulphate), which gives the lawn a rich green colour and helps to maintain the acidic condition of the soil, which is so vital

The way to use it:  Soil must be moist at the time of treatment.  Do not use during a drought.  Use on a sunny morning with the prospect of fine weather. Even application by hand or applicator is vital.  Do not overdose, but the lawn can be treated several times during the season.

after using lawn sand

Immediately following treatment:  Do not mow or walk on the lawn until rain has fallen or until it has been watered. 
2 days later:  Thoroughly water the lawn if rain has not fallen since application.
3 weeks later: Rake up dead undergrowth.  If clumps of weeds are still present, use a selective weed killer or apply a further dressing of Lawn Sand.

 

how it works

Powder clings to the rough, broad leaves of weeds.  Rapid scorch and leaf destruction results.  Powder slides off the narrow smooth leaves of fine grasses.  Temporary blackening of older grass leaves often occurs but rapid recovery of the grasses takes place once the powder has been washed off the leaves.  Powder is washed off the leaves and into the soil buy rain or by watering.  The grass stimulating and colour enriching effect then occurs.

when to use

Mid April to early July.

 

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