Hi all,
I got my starter culture from my compost heap, but if you have potted plants on a patio etc, the worms under the pots and that get into the pot bottoms will be Red Worms (
Lumbricus rubellus).
They aren't a soil dwelling worm, but live in the damp humus layer of fallen leaves etc. The worms are very active and feel really firm when you pick them up, they are also red coloured with an iridescent blue sheen.
You want
L. rubellus, some of the ones for sale (for composting) are actually the Brandling or Tiger worm (
Eisiena foetida), which fish don't like eating, it is a much paler, less active worm, with a stripy body and yellow tail, which exudes yellow fluid when broken.
If you can't source any PM me and I'll try to send you some, this is what you are after.
From the wonderful Bioimages <
http://www.bioimages.org.uk/html/r163678.htm>
I put a few worms in with the Grindal worm cultures, but I specifically culture them in large plant pots (about 3 - 5 litre for a "normal bucket"), placed in a bucket with a lid (my original was a "nappy bucket"), the pot needs to wedge about 2" from the bottom of the bucket. I use a small amount of equal volumes of garden soil (a limy clay loam) and wood chippings or potting compost, and then I chuck all my vegetable bits, fruit peelings, corn husks etc in until the pot is 3/4 full. I just keep it topped up then, if I'm short of material I chuck some grass cuttings and cut newspaper in. I was never very successful until I started to keep the cultures much wetter than you think they should be.
I used to collect the worms that had fallen through in the base of the bucket, but now I just dig down until I come to wet, disgusting layer of banana skins, potato peel etc. There should be 100's of worms of all sizes and you can just select the size you want. I leave the buckets towards the top of the compost heap unless it is a prolonged cold spell (when I move them into the house), so far I haven't brought them in(to the house) in 2012-13.
cheers Darrel