Avocado – Hass – information
Hass is the dominant commercial variety of avocado throughout the world, including Australia. Trees are large and usually highly productive. Hass fruit has an excellent, creamy flavour, unlike most commercial avocados,
In Perth, Hass avocados are mature from late winter through spring
Hass fruit change colour as they ripen going from:
Green to Olive Brown and finally a Purple colour.
The History of the Hass Avocado tree is fascinating. The ‘Mother Tree’ for example was 76 years old when it passed away.https://en.wikipedia.org/wiki/Hass_avocado