What fruit actually grows in Arizona — and when it ripens.

Chill hours — the number that decides everything

Chill hours count time between roughly 32°F and 45°F during dormancy. Phoenix typically sees a low number, so high-chill varieties never break dormancy properly and set little or no fruit.

• The low desert is a low-chill environment; plan around low-chill selections rather than the standard varieties sold in colder regions.
• Ask the nursery for the specific chill-hour rating of the variety, not just the species.
• Same species, different variety, completely different result — a low-chill peach fruits here and a high-chill peach does not.
• Your local county cooperative extension office publishes current low-desert variety recommendations; that's the source worth checking before you buy.

Citrus — the desert's most reliable fruit

• Sweet orange, including navel and Valencia: typically winter into spring.
• Grapefruit: winter into spring, and it holds on the tree well.
• Lemon and lime: heavy winter crop with scattered fruit at other times.
• Mandarin and tangerine: generally an earlier winter harvest.
• Kumquat and calamondin: winter, and both handle container culture.
• Citrus needs frost protection on hard-freeze nights while young, and trunk protection from sunburn. See the fruit and citrus tree guide for planting spec.

Fruit that thrives here beyond citrus

• Fig: typically an early summer breba crop and a late summer main crop. Very heat-tolerant once established.
• Pomegranate: late summer into fall. Among the toughest fruit plants for this climate.
• Date palm: fall. Needs real space and long heat, which the low desert has.
• Jujube: late summer into fall. Drought-tolerant and largely pest-free.
• Prickly pear (tunas): late summer. Native, no supplemental water needed once established.
• Grape: summer. Low-chill table varieties do well on a ramada or arbor.
• Mulberry (fruiting types): late spring. Note that fruitless ornamental mulberry is restricted in some Arizona jurisdictions for pollen reasons — check locally before planting anything in the genus.
• Loquat: spring, and it doubles as an attractive evergreen.

Stone fruit and apples — only in low-chill varieties

• Peach and nectarine: late spring into early summer with low-chill selections such as Desert Gold, Earligrande, and Florida Prince.
• Apricot: late spring; low-chill types like Katy and Blenheim are the ones to ask about.
• Plum: late spring to early summer; Santa Rosa and Beauty are common low-chill choices.
• Apple: summer; Anna and Dorsett Golden are the classic low-desert pair and generally fruit better planted together.
• Fruit is best in an east-facing spot with afternoon shade; full west exposure cooks stone fruit.

What not to plant in the low desert

• High-chill apple, cherry, and pear — sweet cherries in particular will not get the winter cold they need.
• Blueberry — wants acidic soil and chill hours the desert does not provide; container culture is possible but is a continuous project.
• Most temperate-climate berries struggle; strawberries can work as a cool-season annual crop rather than a permanent planting.
• Avocado and mango are cold-sensitive and heat-stressed here; treat them as experimental, microclimate plantings rather than a dependable harvest.

Getting a real harvest, not just a tree

• Plant deciduous fruit trees in winter dormancy; plant citrus in spring once frost risk has passed.
• Water deeply and infrequently to the drip line, not at the trunk. Deep watering is what builds a heat-durable root system.
• Whitewash or paint young trunks with diluted white latex to prevent sunburn on the southwest side.
• Thin heavy fruit set on stone fruit so branches don't break and fruit sizes properly.
• Expect to share. Birds, ground squirrels, and roof rats all find fruit — netting on a rigid frame and picking fallen fruit promptly are the practical answers.
• Harvest windows shift by variety, elevation, and year. Use these as planning windows, not fixed dates.