On Thu, 13 Jun 2013 10:03:54 +0100, David Hill
wrote:

Just bought some coir blocks,
Has anyone had any experience with using coir in compost?

I now grow on all my annual bedding plants in "pure" coir (just add
plant food as the coir I buy is nutrient free). I get better results
as roots develop faster. If I have to miss a day watering, coir is
much more forgiving than ordinary compost as it doesn't form a crust
on the surface.

I've had mixed results with seed sowing in pure coir but get very good
results with a mix of 50:50 coir and ordinary multi-purpose compost.

Hanging baskets and wall planters for the annuals now get a mix of
50:50 coir and a good container compost to which I add some "gel and
feed" granules. The compost is there really to add to the water
retention as coir is too free draining to use in containers on its own
but, again, the coir helps to prevent a crust forming on the surface
if I cannot water for a day or two and it's loose fibrous structure
encourages ongoing root development.

I buy a year's supply in bulk on eBay:
http://www.ebay.co.uk/itm/10-x70lt-C...item23084292ea

--
Cheers, Jake
=======================================
URGling from the other end of Swansea Bay where it's
unusually just like Dave's end, only better