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U.S. Patent PP26,312
Southern Highbush Blueberry Variety

Southern Highbush Blueberry Variety

U.S. Patent


General Description

Keecrisp is a mid-to-late-maturing variety producing berries with an extremely crisp and firm texture.

Cultivar name: Keecrisp (selection code FL 06-556)

Recommended for Florida: no, too late for the Florida market window.

FL region best adapted to: none

Production system: deciduous

Hydrogen cyanamide: Recommended; needs hydrogen cyanamide for leafing

Machine Harvestability: Possible; it has performed well under grower trials. Suitable for machine harvest for fresh market.

Per plant yields (Density 1,452-1,742 plants/acre):

o North-central FL (2015-2021): 2.2 – 7.0 lbs/plant, average 4.9 lbs/plant

Known disease susceptibility: none observed to date

Known insect damage susceptibility: none observed to date

Fruit quality data:

o Fruit firmness: 250 – 303 g/mm, average 267 g/mm, much higher than Emerald

o Berry Weight: 2.1 – 3.0 grams, average 2.5 grams, similar to Emerald

o Berry Diameter: 17.5 – 20.2 mm, average 18.6 mm, similar to Emerald

o Brix: 10.6 – 13.1, average 12.1, higher than Emerald

o Brix/Acid Ratio: 37.3 – 78.7, average 58.9, much higher than Emerald

o Fruit scar: small and dry

o Wax/bloom: medium

o Fruit defects: none observed

o Flavor Score: 24.5 – reference Emerald (19.9), Kestrel (29.0)

o Aroma: none

Cultivars with overlapping timing of flowering: Emerald, Farthing, Kestrel, Magnus, Patrecia, San Joaquin, Vireo

Other information:  Has an upright plant architecture and has shown to have high yield when receiving adequate chilling. Leafing may be delayed, even with hydrogen cyanamide application.

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):​​

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