On Sat, 5 Apr 2014 09:26:58 +0100, "T Bentley"
wrote:

Wanting to plant some seeds on the window Sill, but do not have much room
there.

Is there any reason as to why I cannot cut down and put compost in 1 pint
plastic milk cartons, since their rectangular shape means I can get more on.
But the fact that they are semi transparent would that be a problem?
Thanks.

No problem at all but you might need to arrange some drainage.