1. Sapphire blueberry is also an early-maturing variety, and its cold storage capacity is about 200 hours, which is about 100 hours earlier than that of jadeite. Its crown is half open, the tree is vigorous, easy to yield, the fruit is medium in size, the pulp hardness is high, the flavor is good and the disease resistance is moderate.

2. Blueberry jewelry is dark purple and emerald is blue.