U.S. Patent (USPPAF)
Southern Highbush Blueberry Variety

General Description

‘Magnus’ is an early season cultivar of large fruit for hand harvesting. High yield potential. Very consistent across seasons. Can be used with or without hydrogen cyanamide. Some key features:

  • High yield potential

  • Early bloom and early production of large fruit for hand harvest

  • Very consistent across years

  • Can be used with or without hydrogen cyanamide

  • Good survival capacity

  • Less Vigor than Emerald

  • Still to be tested in Central FL

  • May require freeze protection in January


Fruit quality optimal picking conditions (average of several years):

  • Larger Fruit Weight/Size (2.7 grams/20 mm) similar to ‘Emerald’

  • High Fruit Brix levels (10.6) similar to ‘Jewel’

  • Good Fruit Firmness (190 g/mm) similar to ‘Kestrel’

Performance 2018 Season

Fruit Quality and Yield

The following plots show the most important fruit quality traits and yield, across the season.

The vertical lines in the yield plots indicate when 10%, 50% and 90% of the harvest was achieved during the season.


Dotted lines indicate the desired values for new cultivars:


  • Berry weight greater than 2g

  • Fruit Diameter greater than 14mm

  • Firmness higher than 150g/mm

  • Brix higher than 10%

  • TTA less than 1%

  • Brix/TTA higher than 14 units


Warning: Yield plot coming from harvesting of two bushes. Values may seem overestimated as all the fruit from the bush is harvested, and because this is harvest yield and no packed yield. Use this data to compare among cultivars and no to predict potential yield on your farm.


Measurements are in grams (g). To convert from grams to pounds (lb) use the following formula:

lb of fruit per bush = (g of fruit) x (0.002204)

Magnus_Citra FL_2019
Magnus_Central-North FL_2019
Magnus_Citra FL_2018
Magnus_Central-North FL_2018
Magnus Gallery
License Availability

For licensing availability contact Florida Foundation Seed Producers (FFSP):


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