Joan J Thornless Raspberry Mature Size: 3-4' tall by 3-4' wideSize at Pick Up: 1-2' Tall (Will fit in a car or SUV)Exposure: Full sun Fruit Size: 2-3 cmZone: 3 If you're looking for big, juicy berries to grow in a small space, Joan J is the raspberry for you! We trialed it last season and it was amazing. Firm berries are easy to harvest with a delightfully sweet flavor. Plant is thornless and provides a high yield of fruit each year in the early fall.