U.S. Patent PP26,312
Southern Highbush Blueberry Variety
Vireo has a vigorous, spreading growth habit, and prolific early-spring leafing.
Cultivar name: Vireo
Recommended for Florida: no, requires more chilling than is available in Florida for maximum production.
FL region best adapted to: none
Production system: deciduous
Hydrogen cyanamide: recommended
Machine Harvestability: no data yet
Per plant yields (Density 1,452-1,742 plants/acre):
o North-central FL (2018-2019): 5.1 – 16.4 lbs/plant, average 10.8 lbs/plant
Known disease susceptibility: none observed to date
Known insect damage susceptibility: none observed to date
Fruit quality data:
o Fruit firmness: 242 – 266 g/mm, average 252 g/mm, much higher than Emerald
o Berry Weight: 2.2 – 2.8 grams, average 2.5 grams, similar to Emerald
o Berry Diameter: 17.6 – 18.8 mm, average 18.4 mm, similar to Emerald
o Brix: 8.6 – 10.8, average 10.0, lower than Emerald
o Brix/Acid Ratio: 12.2 – 18.4, average 14.3, much lower than Emerald
o Fruit scar: normal (small and dry), similar to Emerald
o Wax/bloom: high
o Fruit defects: none observed
o Flavor Score: 15.6 – reference Emerald (19.9)
o Aroma: none
Cultivars with overlapping timing of flowering: Keecrisp, Kestrel, Patrecia, San Joaquin
Other information: Flowers early, produces large fruit with an excellent scar and good firmness, but can be acidic. Tends to over-crop, especially when young. Winter pruning may be needed to reduce crop load on young plants.
License availability: For a list of current nursery licensees in the USA, click here.