Generally — Most Areas
caimito (zones 10-11) partially overlaps with Arizona (4b-10b). It can grow in zones 10-10 within the state.
Your yard isn't the whole zone.
Arizona spans zones 4b-10b, but your yard sits in exactly one — and slope, tree cover, and cold-air pockets nudge it further. Enter your address and we'll score caimito against your parcel's actual hardiness, soil, and sun.
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Zone Comparison
Caimito Needs
- USDA Zones: 10-11
- Soil pH: 4.4 - 7.5
- Sun: Full Sun
- Drainage: well (dry spells)
- Frost-Free Days: 180+
Arizona Has
- USDA Zones: 4b-10b
- Last Frost: Jan 15 - May 1
- First Frost: Oct 15 - Dec 15
- Annual Rainfall: 3-25 inches
- Common Soils: Caliche, Sandy loam, Desert pavement
Plant Zone Range (zones 10-11)
Preferred Soil pH
Plant data: USDA PLANTS Database / plant_species_v5.csv. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
When to Plant Caimito in Arizona
The frost window
Across Arizona, the last spring frost clears between Jan 15 and May 1, and the first fall frost lands between Oct 15 and Dec 15 (NOAA Climate Normals 1991-2020). Counting from the latest last frost to the earliest first frost, that's a 167-day window you can count on — up to 334 days on a mild site in a kind year.
Frost tenderness
Caimito is frost-tender — its listed minimum temperature is 53.6°F (USDA PLANTS Database) — so set plants out after the last frost has cleared your local site, not the state's earliest date.
Establishment timing
As a long-lived plant, caimito isn't racing the calendar to a harvest date. Plant it in spring once the last-frost window passes so roots settle in through the full season, or in early fall while the soil still holds summer warmth.
Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: USDA PLANTS Database. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.
Growing Season Fit
Zone compatibility says you can survive winter here. Whether the growing season is long enough — and warm enough — is a different question.
Frost-free days
Caimito wants 180+ frost-free days; a typical Arizona site sees ~220 (NOAA Climate Normals). That leaves a workable window — start indoors to bank time.
Climate aggregates derive from USDA NRCS county-level hardiness data + Cornell CALS Extension GDD-by-region tables + MSU Extension chill-hours-by-zone (1991-2020 NOAA Climate Normals baseline).
Soil + Drainage Fit
Caimito likes near-neutral soil (pH 4.4-7.5). That's the common-ground band across Arizona's caliche and sandy loam — a soil test confirms it for your site. Drainage matters: this plant wants well (dry spells). If your Arizona site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.
Plant pH and drainage requirements from USDA PLANTS Database. Arizona soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
Caimito in Arizona — Quick Answer
- Verdict: Generally — Most Areas
- Plant Zones: 10-11 (USDA PLANTS Database)
- State Zones: 4b-10b (USDA ARS PHZM 2023)
- Growing Season: Jan 15 - May 1 to Oct 15 - Dec 15 (NOAA Climate Normals)
What Else to Consider
Zone compatibility tells you about winter cold survival — but Arizona growers also need to think about:
Extreme heat exceeding 110F stresses most plants
Desert gardens run on winter: plant to the October-March windows and give the summer holdouts afternoon shade.
Minimal rainfall requires drip irrigation
Drip plus a deep mulch layer is the desert baseline — it waters roots, not air, and cuts evaporation dramatically.
Caliche hardpan prevents root penetration without breaking through
Where caliche won't break, build up instead — a deep raised bed gives roots the depth the ground refuses.
Pollinator + Wildlife Value
Caimito draws pollinators (moderate value, USDA PLANTS Database). Planting it near vegetable beds can lift fruit set on neighboring crops.
Arizona Cooperative Extension
For Arizona-specific cultivar recommendations, planting calendars, and pest pressure for caimito, the canonical source is University of Arizona Cooperative Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Common Questions About Growing Caimito in Arizona
When can I plant Caimito in Arizona?
Arizona's last spring frost clears between Jan 15 and May 1, and the first fall frost lands between Oct 15 and Dec 15 (NOAA Climate Normals 1991-2020). Caimito is a long-lived planting, so target spring just after your local last frost — or early fall while the soil holds warmth — and let it establish through the season.
What hardiness zone is Caimito grown in across Arizona?
Arizona spans USDA hardiness zones 4b-10b (USDA ARS PHZM 2023). Caimito carries a range of zones 10-11, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical Arizona site have?
A typical Arizona site sees ~220 frost-free days per year (derived from NOAA Climate Normals 1991-2020). Caimito needs 180+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.
How should I amend the soil for Caimito in Arizona?
Caimito prefers pH 4.4-7.5 and well (dry spells) drainage (USDA PLANTS Database). That sits in the common-ground band across Arizona soils — a 30-minute soil test from a local Extension lab confirms it for your specific site.
Will Caimito actually grow on my specific land in Arizona?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores caimito against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.
Check your specific parcel in Arizona
State-level data is a sketch. Your Growable Ground report scores caimito against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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