Winter & Iron Fertilisers
Even in winter your lawn can be stunning
*The above Lawn Fertiliser & Liquid Feed Products are in the Lawnsmith Shop and discussed below:
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Optional winter green-up for clay or sandy soil:
SEPTEMBER to APRIL when soil moisture is good
Option 1: GREEN-UP Soluble Ferrous Sulphate* (iron sulphate or soluble iron) applied by sprayer or watering can
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For lawn and grass green-up apply at 0.5 to 1 gram per square metre in solution
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6 applications can be made with 2 or 3 being reasonable
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For turf hardening (disease and cold resistance) apply at 2+ grams per square metre in solution
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Up to 3 applications can be made with 1 to 2 being common
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Warning: will start to blacken moss at this rate
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- The maximum rate for application to grass of Lawnsmith® Soluble Ferrous Sulphate* is 5g/m2. If you are going to apply at this rate I would suggest two applications of 2 to 3g/m2 each and space the two applications by a few days. This assists penetration deeper into the moss whilst being gentler on the grass. It also allows you to assess the success of the first application and therefore decide on the application rate of a second application. See Ferrous Sulphate Application for more details.
Option 2: WINTER GREEN High Iron Lawn Feed* - soil soluble high iron granular fertiliser
Though this is a quick release fertiliser it will act more like a slow release product due to the cold conditions. It will last between 6 and 8 weeks.
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For lawn and grass green-up one application @ 20-25 grams per square metre
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As a turf hardener (disease and cold resistance) one application @ 35 grams per square metre
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Warning: will severely blacken moss at the higher rate
Having a pretty close idea of your lawn area IS a good idea. If you’re unsure of your lawn area it’s worth taking a bit of time to measure your lawn and find out by using How to Measure a Lawn. You’ll only need to do it once and you can order and apply all your lawn products accurately from then on.
