Raspberry cane advice

If you are not careful raspberries soon become weeds, From experience I find autumn fruiting worst for sending out runners.  I started with 12 Joan J and now have in excess of 40 (after 2 years). you may want to stick with your lower figure

Hello Boss

My plan was to plant them through membrane, would that supress them somewhat?

I a word Danny....no

Cheers Boss

Short and sweet, like me