More to explore:
Raspberries/Blackberries trellis! How to grow Raspberries and Blackberries when to prune/transplant/fertilize! e.g.: "Raspberries use a lot of water, especially when bearing. About 1 1/2 inch of water per week and more during hot weather. Watering is most critical from the time the fruit begin to show color until picking has been completed."
How to grow Raspberries and Blackberries when to prune/transplant/fertilize very thorough! Timely because I just ordered a raspberry plant. One of my last houses had one already growing wild just beside the fence. This way looks great