Raspberry Plants "Glencoe" (Purple) Includes Four (4) Plants Great Tasting PURPLE Raspberry! The price includes Four (4) "Glencoe" Purple Raspberry Plants. These are 2 inch rooted starter plants shipped in tray pots and are 3-6 inches tall. Glencoe was developed by the Scottish Crop Research Institute. A cross of native black raspberry and red raspberry. Most all edible plants grow well in Full Sun, a little shade wont hurt. For starter plants I recommend growing in a 4 inch to 1 gallon pot to allow your plants to get a little bigger then then re-pot or plant. See Full Product Description for more information on Variety and How to Grow