U.S. Patent PP26,312
Southern Highbush Blueberry Variety
General Description
Magnus is an early-mid season cultivar of large fruit for hand harvesting. A strong growing plant with good survival.
Cultivar name: Magnus (selection code FL04-213)
Recommended for Florida: yes
FL region best adapted to: north-central Florida
Production system: deciduous system
Hydrogen cyanamide: performs well with or without hydrogen cyanamide
Machine Harvestability: not recommended; probably will not perform well using current machine harvesting technology.
Per plant yields (Density 1,452-1,742 plants/acre):
o North-central FL (2018-2021): 3.95 – 11.0 lbs/plant, average 8.01 lbs/plant
Known disease susceptibility: none observed to date
Known insect damage susceptibility: none observed to date
Fruit quality data:
o Fruit firmness: Average 211 g/mm, 253 g/mm (21 days), 185 g/mm (49 days). A little higher than Emerald.
o Berry Weight: 2.4 – 2.9 grams, average 2.7 grams, a little higher than Emerald
o Berry Diameter: 16.7 – 19.8 mm, average 18.5 mm, similar to Emerald
o Brix: average 9.8 – 11.5, average 10.7, lower than Emerald, similar to Endura and Patrecia
o Brix/Acid Ratio: 11.6 – 68.4, average 36.7, higher than Emerald
o Fruit scar: normal (small and dry), similar to Emerald
o Wax/bloom: high
o Fruit defects: none observed
o Flavor Score: 28.8 – reference Emerald (19.9), Kestrel (29.0)
o Aroma: none
Cultivars with overlapping timing of flowering: Emerald, Patrecia, Farthing, Springhigh, Kestrel, Avanti, Optimus
Other information: High yield potential with early bloom and early production of large fruit for hand harvest. Very consistent across years. May require freeze protection in January.
License availability: For a list of current nursery licensees in the USA, click here
License Availability
For licensing availability contact Florida Foundation Seed Producers (FFSP):