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• PRO Supplier

  Progreen Weed Control October 11, 2022 at 8:50am

  There's no need for a HIGH nitrogen fertiliser for new seed - really the focus should be on getting the roots to develop after germination which means a high phosphorous (P) fert is better. Nitrogen is only available for a short period (depending on the type of N and any coatings) so before the root develops the N would largely be lost in the soil and to the atmosphere....a pre-seeder fert higher in P can be sown at the same time as seeding or after seed has germinated with two true leaves...a NPK of 6-9-6 is what we offer so anything similar with N in single figures. 
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    Gary R > Progreen Weed Control October 11, 2022 at 9:06am

    Hi. Thanks for your brilliant reply. I should of made it clear that it won't just be seeding a bare lawn. It will be overseeding an exsisting lawn. The high nitrogen I referenced was to try and bring that on as well as generally putting some essential nutrients in to the ground which may help overall. 

    But what I needed to know in more general terms was can I put a fertiliser down immediately after overseeding an exsisting lawn. Or do I have to wait for the new seed to germinate? 
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  Ricky Watkins October 11, 2022 at 6:27pm

  I would put a seaweed feed on  one around 10%
• PRO

  Andrew Watts October 11, 2022 at 7:10pm

  In the spring  as 1 renovation visit we would do a lighter scarify (heavy reserved for Autumn), aerate, seed and feed (granular phased release 3-4 months). Option of top dress.  No weed control till Summer if conditions allow (certainly not this year!), otherwise autumn.
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  Tim Bucknall October 18, 2022 at 2:51pm

  Go for something like a preseed fertilizer.  The nitrogen would be too much for the seedlings, and mean they'd get swamped by the existing grasses, and mown before they're ready.
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    Gary R > Tim Bucknall October 18, 2022 at 2:52pm

    Thanks Tim. 👍