long-cropping Periodrecommended By The Royal Horticultural Societyraspberries Flourish On Both New & Old Woodenjoy The Returns Of Raspberry Polka; A Late Primocane Variety Which Gives You August To November Raspberries Both From New & Old Wood. Polka Produces Very High Yields Of Quality Fruit On Poorer Soils, & Has Good Disease Resistance To Mildewyou Receive Canes That Come From Good Stock; Your Plants Are Derived From Mother Plants Raised In The Laboratory To Ascertain Disease-free Plants. Inspected & Certified By Defra, Canes Are Ready For You To Plant About 38cm (15 1/2 In) Apart, With 2m (6 1/2 Ft) Between Rows.your Plants Will Provide You Fruit For Around Eight Years At Least.primocane (autumn-fruiting) Varieties Fruit On Canes Produced In The Current Year. After Cropping, These Should Be Cut Down To Ground Level To Promote The Growth Of New Canes. Allow Primocane Raspberry Beds To Spread Up To 75cm (2 1/2 Ft) Wide But We Recommend That You Dig Out Any Canes Which Start To Grow Between The Rows.