[defrost]

I've been throwing weeds in the compost for 20+ years - they break down fine .. some regrow but you can just pull them out again.

We have two three sided "bunkers" 2 metre x 2 metre square x 1.5 metre high that we fill with weeds and then cover every spring (on rotation), once covered they cook pretty hot which kills most things within, reduce them to juice and worm food and when respread a year later they grow good veggies.

We've just today finished spreading three double axle trailer loads (each about 1.5 tonne) of donkey poo and straw .. that's got a lot grass seed and digested grassy fecal matter in it .. it'll make great figs and probably grow grassy weeds under the fig tree .. that'll get pulled and thrown in the heaps also.

Pretty much the only things that don't go in the compost piles are metal, rocks, plastic, etc - if it's organic, it's in.