Jewel yields abundant crops of the largest Southern Highbush berries with a tangy flavor- are an excellent choice for gardeners with a little more space on their hands. Its upright habit makes it a great landscape plant.If you’re looking to grow your very own source of fresh, juicy blueberries, jewel blueberries are a great choice. The jewel blueberry is a blueberry bush valued for its exceptionally high yields and large fruits. When grown in the right conditions, the berries will yield little soft fruit tissue and produce huge harvests. Jewel Blueberries have been planted in California and throughout central Florida because of their durability in these regions and their low chill requirement. Jewel blueberries are best grown between latitudes 28-35. If maintained with mulching, it may endure temperatures as low as 10 degrees Fahrenheit. The plants mature to heights from 3 to 6 feet, with a width of up to 4 feet.