Pending editorial review. Names come from GBIF/POWO; growing details are a draft our editors are still verifying.
Plant encyclopedia Cultivar

Persea americana 'Hass'

Avocado 'Hass' · Lauraceae

The leading commercial Guatemalan-type avocado with pebbly dark skin.

USDA zones
9–11
Light
Full sun
Water
Medium
Mature size
30–60 ft × 20–35 ft wide
Type · growth
Tree · fast
Pets
Toxic
Not currently for sale
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About Avocado 'Hass'

The leading commercial Guatemalan-type avocado with pebbly dark skin.

Growing & care

Light

Full sun.

Water

Deep, infrequent watering; root rot (Phytophthora) is the main killer in wet soil.

Soil

Very well-drained soil; intolerant of standing water. pH 5.5–7.

Climate

USDA zones 9–11. Protect below about 28°F.

Propagation

Grafting.

Pests & diseases

Phytophthora root rot, laurel wilt (spread by ambrosia beetles in the Southeast).

FlowersGreen, yellow · Winter–spring
FruitSingle-seeded berries; season varies by cultivar. Edible
Native rangeBelize, Costa Rica, Guatemala, Honduras, Mexico Central, Mexico Gulf, Mexico Southeast, Mexico Southwest, Nicaragua
Indoor / outdoorOutdoors
DifficultyModerate
ToxicityPets: Toxic · People: Not documented
Leaves, bark and seed contain persin; the ASPCA lists avocado as toxic to dogs, cats and horses, and it is especially dangerous to birds.
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