Hass
An avocado that began as a chance seedling and went on to dominate the global market.
Origin · La Habra Heights, California, United States
Released 1936
Taste & texture
Neither peel nor storage temperature shows whether an avocado's flesh is ready to eat.
sensory study · Fruit imported from Peru; experimental storage at University of Turin and trained panel in Alessandria, Italy
Read the evidence
After ethylene ripening and 96 hours at 8°C or 17°C, the trained panel did not distinguish the two Hass treatments or a retail ready-to-eat Hass comparator in projective mapping. Pinkerton and Arad occupied different sensory positions; texture attributes were particularly discriminating.
- Fruit tested
- Commercially ripened ready-to-eat fruit
- Varieties compared
- Hass, Pinkerton, Arad
- Use studied
- Fresh eating
- Published
- 2021
Cool holding limits water loss in an already-ripe avocado, slowing how fast it shrivels.
instrumental study · Peru-grown fruit imported through a northern Italian ripening company; tested at University of Turin
Read the evidence
The study reports weight loss of 0.57% at 8°C and 3.46% at 17°C after 96 hours in its ethylene-ripened Hass lots. This instrumental difference should be kept separate from the sensory analysis, which did not distinguish the Hass samples.
- Fruit tested
- Whole fruit after ethylene ripening
- Varieties compared
- Hass
- Use studied
- Fresh eating
- Published
- 2021
How to spot it
- Skin
- Peels YesSkin texture PebblySkin thickness MediumRipe skin colour BlackUnripe skin colour Green
- Shape
- Narrowly obovate to obovate
- Seeds & stone
- Seed size Medium
- Appearance
- Seed : skin : flesh by weight 16:12:72
Harvest & storage
- Harvest
- kind
- harvest
- months
- 8, 9, 10, 11
- timing
- basis
- calendar
- country code
- CL
- source scope
- Chile; harvest for United States and Europe as described by INIA2010
Chile; harvest for United States and Europe as described by INIA2010
biblioteca.inia.cl ↗Context & source
- /details/observations/1/value/country code
- CL
- /details/observations/1/value/source scope
- Chile; harvest for United States and Europe as described by INIA2010
- kind
- harvest
- months
- 7, 8, 9, 10, 11, 12, 1, 2, 3
- timing
- basis
- calendar
- country code
- CL
- source scope
- Chile; early-maturing orchards only; harvest can extend July–March
Chile; early-maturing orchards only; harvest can extend July–March
biblioteca.inia.cl ↗Context & source
- /details/observations/2/value/country code
- CL
- /details/observations/2/value/source scope
- Chile; early-maturing orchards only; harvest can extend July–March
- kind
- production
- months
- 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
- timing
- basis
- calendar
- country code
- CO
- source scope
- Colombia, across its producing regions; year-round fruit production reported by Corpohass
- source event
- se produce fruta durante todo el año
Colombia, across its producing regions; year-round fruit production reported by Corpohass
corpohass.com ↗Context & source
- /details/observations/3/value/country code
- CO
- /details/observations/3/value/source scope
- Colombia, across its producing regions; year-round fruit production reported by Corpohass
procolombia.co ↗- kind
- harvest
- months
- 5, 6, 7, 8, 9, 10, 11, 12, 1
- timing
- basis
- calendar
- country code
- CO
- kind
- harvest
- months
- 1, 2, 3, 4, 5, 6, 11, 12
- region
- ES-CN
- timing
- basis
- calendar
- country code
- ES
- source scope
- Canarias, Spain; harvest seasons reported in the IGP application document
region: ES-CN · Canarias, Spain; harvest seasons reported in the IGP application document
gobiernodecanarias.org ↗Context & source
- /details/observations/5/value/region
- ES-CN
- /details/observations/5/value/country code
- ES
- /details/observations/5/value/source scope
- Canarias, Spain; harvest seasons reported in the IGP application document
- Ripening
- Skin darkens as it ripens; fruit yields to gentle pressure when ripe.
region: US-CA
californiaavocado.com ↗Context & source
- /observation/region
- US-CA
- /observation/method
- industry_description
Origin & family
Where Hass began
Recorded origin
La Habra Heights, California
United States
- Released
- 1936
Family tree
Loading recorded relationships…
Field notes
Original source notes
- weight
- 150–400 g · Colombiarepository.agrosavia.co ↗
- shape
- oval, pear shaped · Colombiarepository.agrosavia.co ↗
- skin colour ripe
- black · Colombiarepository.agrosavia.co ↗
- ripeness cue
- Skin darkens as it ripens; fruit yields to gentle pressure when ripe. · Californiacaliforniaavocado.com ↗
Fruit & tree
- peels
- Yes
- seed size
- Medium
- fruit shape
- Narrowly obovate to obovate
- blossom type
- A
- skin texture
- Pebbly
- skin thickness
- Medium
- skin color ripe
- Black
- skin color unripe
- Green
- ratio seed skin flesh
- 16:12:72
- average fruit weight oz
- 6 to 14
Harvest calendar · Chile
- kind
- harvest
- months
- 8, 9, 10, 11
- timing
- basis
- calendar
- country code
- CL
- source scope
- Chile; harvest for United States and Europe as described by INIA2010
Harvest calendar · Chile
- kind
- harvest
- months
- 7, 8, 9, 10, 11, 12, 1, 2, 3
- timing
- basis
- calendar
- country code
- CL
- source scope
- Chile; early-maturing orchards only; harvest can extend July–March
Ripening & timing · Colombia
- kind
- production
- months
- 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
- timing
- basis
- calendar
- country code
- CO
- source scope
- Colombia, across its producing regions; year-round fruit production reported by Corpohass
- source event
- se produce fruta durante todo el año
Harvest calendar · Colombia
- kind
- harvest
- months
- 5, 6, 7, 8, 9, 10, 11, 12, 1
- timing
- basis
- calendar
- country code
- CO
Harvest calendar · Canary Islands
- kind
- harvest
- months
- 1, 2, 3, 4, 5, 6, 11, 12
- region
- ES-CN
- timing
- basis
- calendar
- country code
- ES
- source scope
- Canarias, Spain; harvest seasons reported in the IGP application document
Photos
Ivar LeidusCC BY-SA 4.0 The Hass avocado – single and halved.