For the best crops next season, apply a 5cm-thick organic mulch along your rows of raspberry canes. Use home-made garden compost, well-rotted organic stable manure or bagged soil conditioner for the mulch. Soak the soil thoroughly before applying the mulch and keep it away from the base of the canes. This mulch will hold moisture in the soil and help feed the developing fruit next season.
A thick mulch will also prevent weeds growing