Floricanes are second year canes. They are brown and fatter. After this year, they will shrivel and die. Snip these to the ground after the berry season is done.
Year two
After harvest, as soon as the floricanes die, prune them out at the base of the crown. Floricanes can harbour insect pests such as raspberry cane borers, sawflies and fruitworms, so do not compost.
Unlike other blackberries, 'Prime-Jim' and 'Prime-Jan' fruit on the first-year canes (primocanes) in early fall and then again on the same canes (floricanes) the next summer. This allows for two blackberry crops a year.
Next year, this year's floricanes will be replaced by new shoots, primocanes. After they've fruited, the canes die back and should be cut down to make room for the new primocanes.
Raspberries are biennials. They produce fruit on second year canes, called floricanes. After producing fruit, these second year canes will die and should be pruned out. Allow new suckers to grow each year for next year's crop.
Leave new canes (primocanes) of trailing blackberries on the ground each winter to help protect them from freeze damage. Trellis the canes before they begin growth in mid-March. Remove and destroy fruiting canes (floricanes) after harvest in the ...
 See also: Berry, Growing, Planting, Plant, Light
  
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