how can i grow from seed without an electric propagator

Small pot or tray sealed in a plastic sandwich bag on a warm sunny windowsil.

I agree. I've known people who use their airing cupboards as well but you must check about twice a day for growth.

Or use those plastic transparent trays that fruit comes in as a lid.

Before I got my propagator I used to stand seed trays in a plastic bag on a shelf over a radiator, for palms, cycads and exotics. Remember to move them once germinated though if you don't want them getting so leggy, they fall over.

John.

Don't leave them on a windowsill between the glass and the curtains at night once they have germinated - too cold.