Gwen avocados look similar to the hass variety, but are slightly larger. They have creamy gold-green flesh around a small to medium seed. Gwen avocado$65.00PriceCharacteristics Flower Type: A Fruit size: 7 to 11 oz Landscape size: Up to 15 feet Light requirement: Full sun (at least 8 hours per day) Hardiness Zones: 9 through 10 Harvest Time: April through September