Black Pearl is the first variety cultivated and popularized by Cornell University for growers on the west coast of the United States. It tastes better than Santina and Teton, and its flesh is hard and crisp. Maturity: 8 days earlier than ice. Suitable rootstocks: Krymsk5, Krymsk6, M×M. 14. Recommended trees: KGB tree, UFO tree, semi-erect multi-branch tree.
Santina is a variety cultivated in Summerland, British Columbia, Canada. It was popularized in the mid-1990s, and its planting area is the largest in Chile. Later, it was brought to China by sea, and the planting area was relatively large. Its advantage is that it is resistant to storage and transportation, and it may become a substitute for Tieton. Rootstock: gisela 12, gisela 6. Tree shape: UFO tree shape, semi-upright, multi-branched, high spindle shape.
Sweetno is a big cherry introduced by Summerland, British Columbia, Canada on 20 12, with excellent flavor. Maturity: about 5 days earlier than ice. Suitable rootstocks: gisela 12, gisela 6 and Kremsk 6. Recommended tree shape: semi-erect, multi-branched, high spindle shape.