Cold hardiness

Future

2050

2100

These values are location-based: this location's current hardiness is the baseline, and the 2050 value is a projected future climate for this same location.

Now

Zone 6b

USDA

Published baseline for this location from 1991-2020.

Source: USDA Plant Hardiness Zone Map 2023 (1991-2020 climatology) via ArcGIS FeatureServer

Won't grow here

2050

Zone 7a

Plotwright

Projected zone for this same location in 2050 (2041-2070) using SSP3-7.0 (regional rivalry).

Won't grow here

In plain terms: This location is in Zone 6b today. Its hardiness profile is cold winters, and coldest nights are typically around -3°F. By 2050, the projected hardiness zone is Zone 7a based on SSP3-7.0 (regional rivalry). That is a +0.5-zone shift from Zone 6b to Zone 7a by 2050.

✕

Out of range today and still out of range in 2050.

Heat tolerance

Future

2050

2100

Heat tolerance values are location-based too: heat days today are observed at this site, and the 2050 value projects this same location under a future climate.

Loading AHS heat-zone data for this location...

Where this plant fits

Suitable across 17 ecoregions — 11 climate-resilient through 2070 · 6 newly possible by 2070. Best matches first.

Atlantic coastal pine barrens

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California coastal sage and chaparral

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Central Pacific Northwest coastal forests

Eastern Australian temperate forests

New Zealand North Island temperate forests

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Northern Pacific Alaskan coastal forests

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What it needs

Conditions

Light

Full sun / Part shade

Water

Consistent moisture

Spacing

300"

Habit

Multi-stemmed frost-tender broadleaf evergreen tree

Care tips

•

Treat it as a zone 10-12 tree: any frost can kill or set it back, so north of that grow it in a pot you can move indoors over winter.

•

Give consistent moisture in fast-draining soil — soggy roots cause root rot, the most common failure for indoor seedlings.

•

A pit-grown houseplant is fun but rarely fruits; grafted nursery trees fruit far sooner and come true to a named variety like Hass.

Lifecycle

Planting

Plant in frost-free conditions in rich, loose, evenly moist, well-drained soil in full sun. Plants tolerate light shade but are best in warm, sunny conditions and are intolerant of frost (Missouri Botanical Garden PlantFinder).

Transplanting

Move only while young; site permanently because a mature 30-60 foot tree does not transplant cleanly. Preserve as much of the root ball as the container allows.

Early growth

Keep soil consistently moist but never waterlogged through establishment — overly wet soils invite root rot. Indoors, give a sunny window; indoor specimens typically stay ornamental and rarely fruit.

Maturity

Mature trees reach 30-60 feet tall and 20-30 feet wide with dark green glossy elliptic leaves 4-8 inches long and seasonal greenish-yellow flower panicles yielding pear-shaped green fruit with a large central pit and buttery edible flesh (Missouri Botanical Garden PlantFinder).

Propagation

Commercial varieties are grafted or budded onto rootstock; houseplants are often grown from seed sprouted in water or directly in soil (Missouri Botanical Garden PlantFinder).

Pollination

Self-fertile (better with a partner)

Avocado flowers are perfect (both sexes) and a single tree can set fruit on its own, but the species shows synchronous dichogamy — each flower opens first as functionally female, then closes and reopens later as functionally male — which staggers pollen release from receptivity. Missouri Botanical Garden PlantFinder describes the small greenish-yellow flowers borne in panicles that yield pear-shaped fruit; it does not assign a fixed bloom window, calling Persea americana a seasonal bloomer.

Plants don't grow alone

Nectar forage

Bee

European honeybee (Apis mellifera)

Avocado bears perfect greenish-yellow flowers in panicles (Missouri Botanical Garden PlantFinder); honey bees are the principal managed pollinator of commercial avocado orchards, where the dichogamous bloom relies on insect movement between flowers in opposite stages. Listed as plausible because the MBG species page documents the flowers but not the specific bee visitors.

For people

Edible

Grown for its showy, edible pear-shaped fruit — buttery yellow flesh around a large central pit, rich in vitamins and monounsaturated fat (Missouri Botanical Garden PlantFinder). The flesh is the edible part; the large seed is not eaten.

Climate notes

•

Missouri Botanical Garden PlantFinder lists Persea americana as winter hardy to USDA zones 10-12, grown in rich, loose, evenly moist, well-drained soils in full sun; it tolerates light shade but is intolerant of frost.

•

Native range is Central America and Mexico per Missouri Botanical Garden PlantFinder; the National Tropical Botanical Garden Tropical Plants Database describes it as native to the Caribbean, Mexico, Central and South America. Roughly 95% of the U.S. commercial crop is grown in southern California, predominantly the Hass variety (Missouri Botanical Garden PlantFinder).

•

Not a North American native and frost-tender (zones 10-12 only); outside those zones it is grown as an indoor plant from a sprouted pit and rarely fruits. No summer-heat range is assigned — the published source frames hardiness as a frost-free minimum rather than a summer-heat range.

In the designer

Growth over time

360-720" tall · 240-360" spread

Mature 30-60 foot evergreen with a broad fruiting canopy.

Design roles: Focal point · Structure · Edible

Seasonal interest

Spring

Summer

Fall

Winter

Filled = the plant has seasonal interest · ▾ now = your current season

Avocado

At a glance

Why it matters

Cold hardiness

Heat tolerance

Where this plant fits

What it needs

Lifecycle

Pollination

Plants don't grow alone

For people

Climate notes

In the designer

Seasonal interest

Sources & citations