U.S. Patent PP12,165
Southern Highbush Blueberry Variety

General Description

           Emerald is a vigorous, high-yielding plant.  Along with ‘Jewel’, it is one of the main varieties being planted in central Florida for early harvest.  Berries are large and have good shipping qualities.

  • Cultivar name: Emerald (selection code FL 95-209a)

  • Region best adapted to:

  • Production system:

  • Hydrogen cyanamide:

  • Machine Harvestability: 

  • Per plant yields:

  • Known disease susceptibility: 

  • Known insect damage susceptibility: 

  • Fruit quality data:

    • Fruit firmness: average 196.7g/mm

    • Berry Weight: average 2.35 grams

    • Berry Diameter: average 18.5 mm

    • Brix: 10.0 –  average 11.2

    • Brix/Acid Ratio: 

    • Fruit scar: 

    • Wax/bloom: 

    • Fruit defects: 

    • Flavor:

    • Aroma: 

  • Cultivars similar flowering time:

  • Other information:

         o Very high yield potential for the early-mid season

         o  Works well under hydrogen cyanamide system

         o Vigorous, spreading bush

         o Early bloom

         o  Long harvest period

         o Some evergreen tendencies

         o The cluster could be too tight, not ideal for machine harvesting

         o Mid-season production may be too late for high prices

Performance 2018-2019 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)

Emerald_Citra FL_2019
Emerald_Citra FL_2018
Emerald Gallery
License Availability

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


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