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A Quick Guide to Everything

Please note this relates only to products on our website as products sourced from elsewhere may well behave differently.

Product Combinations

Headings below are the names of products followed by advice on their use in conjunction with other products.

Angus Downcast

Generally no conflicts though we suggest as follows:

  • Not to use Downcast within 4 weeks of applying other acidifying products such as Ferrous Sulphate
  • Possible conflict with weed killer so leave one week before or after using
  • Do not use within 8 weeks of seeding

Green-up Ferrous Sulphate, Winter Green Fertiliser and Evergreen Mosskil

Generally fine with most products but:

  • Do not use on grass less than 6 months old
  • Ferrous Sulphate can be used up to 24 hours before seeding
  • Winter Green can be used up to 3 days before seeding
  • Do not use within one week before or after spraying weed killer on whole lawn

Granular Fertiliser

Except for Winter Green and Green-up Ferrous Sulphate (see above) there is no conflict with other products and fertiliser is beneficial in most procedures including weed killing, seeding, aerating and after scarifying

Grass Seed - also applicable to turfing

  • Do not apply weed killer 2 months before seeding and do not apply Weedol on lawns less than 3 months old and Resolva on lawns less than 6 months old
  • Ferrous sulphate products including Winter Green should not be used within the first 6 months of seeding
  • Granular Fertiliser – apply on the day of seeding or within 1 week for best results
  • Soluble Fertiliser - will not work on seeded areas and shouldn’t be applied to young grass less than 3 months old
  • Ferrous  Suphate and Winter Green can be used up to 1 day and 3 days respectively before seeding as moss treatments

Solugreen Soluble Fertiliser

  • Use as a booster feed between seasonal applications of granular fertiliser
  • Do not use on young grass less than 3 months old
  • Ferrous Sulphate or Liquid Weed Killer can be applied with or even mixed with it

Weed killer – ready to use

As this is sprayed directly on the weed it causes few problems though do keep it off seed or grass under 3 months old

Weed killer – concentrate for blanket spraying the lawn

  • For best results apply one to two weeks after fertilising
  • Soluble Fertiliser can be mixed and sprayed together with weed killer
  • Do not apply weed killer 2 months or less before seeding and do not apply Weedol on lawns less than 3 months old and Resolva on lawns less than 6 months old
  • When planning to scarify it needs to be applied 8 weeks or more before to allow time to work
  • Leave a week between using ferrous sulphate products and weed killer

Yucca Wetta

No conflict with other products. May enhance penetration and effectiveness of Ant Killer Satchets in dry conditions

Order of Tasks

A guide to the order of procedures for tasks below:

Aerating

Spiking

  • Beneficial anytime of the year as a standalone procedure
  • Spike after raking or scarifying and before seeding, weed killing, top dressing or feeding

Hollow Tine

  • As for spiking but only in early spring, late autumn or anytime to revive small compacted areas in combination with watering if dry

Mowing

  • For best results mow prior to all treatments and tasks
  • The first cut after applying any product may be left on the lawn (if mower instructions allow)
  • Granular Fertiliser – apply immediately after mowing
  • Weed killer – apply 2 to 3 days after mowing. Do not mow for at least 3 days after
  • Ferrous Sulphate and Soluble Fertiliser – apply straight after mowing and do not mow for 7 to 10 days after applying.
  • Mow new lawns on highest setting for 3-4 months. Start when young grass is 5 to 8cm long
  • Mow over seeded lawns on normal schedule but on high setting for 2-3 months

Raking for Moss

You do not need to kill the moss to rake it out which gives you options as follows:

  • Mow reasonably close to allow spray to contact moss if using a moss killer first
  • If killing moss before raking apply liquid Green-up Ferrous Sulphate or granular Winter Green 3 to 30 days prior to raking
  • Mow close again if needed without scalping
  • Rake or scarify
  • You can now apply Green-up Ferrous Sulphate for the first or second time. If applying for the second time you must leave 3-4 weeks between this and the first application. Do not use Winter Green at this stage
  • If re-applying ferrous sulphate wait 24 hours after as a light final rake may be required
  • Mow close without scalping immediately prior to over seeding
  • Over seed - see video to left for procedure
  • For convenience fertilise on the same day NOT before
    • For spring treatment feed with one of our Spring & Summer fertilisers for SANDY soil even if on clay soil
    • For autumn treatment feed with our Autumn fertiliser
  • Water as needed
  • Mow on a normal schedule on a high setting for 2-3 months

Scarifying for thatch

  • Mow close without scalping
  • Scarify
  • Mow close without scalping immediately prior to over seeding
  • Over seed - see video to left for procedure
  • For convenience fertilise on the same day NOT before
    • For spring treatment feed with one of our Spring & Summer fertilisers for SANDY soil even if on clay soil
    • For autumn treatment feed with our Autumn fertiliser
  • Water as needed
  • Mow on a normal schedule on a high setting for 2-3 months

Seeding

  • New Lawns - Use a Starter fertiliser at the same time as seeding
  • Over Seeding - see Raking for Moss or Scarifying for Thatch above

Top dressing

  • Top dressing if desired should only be done after procedures such as mowing, scarifying, raking, and aerating
  • We suggest top dressing before feeding or over seeding though this depends on what book you read!

Products featured in this article

Related videos for this article

How to Scarify and Rake for Moss and Thatch

How to Scarify and Rake for Moss and Thatch

How to Aerate, Spike & Hollow Tine a Lawn

How to Aerate, Spike & Hollow Tine a Lawn

How to Over Sow a Lawn after Raking or Scarifying

How to Over Sow a Lawn after Raking or Scarifying

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