Casimiroa is a perennial grown for its fruit. It's hardy across USDA zones 9 through 11. Its flowers are a moderate draw for honeybees, even though the fruit is the prize.
Zones
9-11
pH Range
6.5-8
Sun
Full Sun
Days to Maturity
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Score Casimiroa on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether casimiroa actually takes — and those shift from one yard to the next. Enter your address and we'll score casimiroa against your land's real conditions.
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What Casimiroa is
Casimiroa grows as a perennial.
How to grow Casimiroa
Casimiroa grows in USDA zones 9 through 11. Casimiroa does best in full sun — at least 6 hours of direct sun a day — and soil from pH 6.5 to 8, on well-drained ground. It needs a growing season of at least 210 frost-free days, which is why climate matters as much as soil.
USDA Zones
9-11
USDA PHZM 2023
Soil pH
6.5 - 8
USDA PLANTS Database
Sun
Full Sun
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Drainage
well (dry spells)
plant_species_v5.csv
Frost Tolerance
57.2°F
plant_species_v5.csv
Frost-Free Days
210+
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Start the season right
Plant casimiroa in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Casimiroa prefers pH 6.5 to 8 (USDA PLANTS Database). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
Harvest at maturity
Pick when the fruit is full-colored and parts easily from the stem. Local Cooperative Extension guides publish timing tables.
Good to know
Good news for pet owners — casimiroa isn't known to be toxic to dogs or cats. (Source: ASPCA.)
Casimiroa offers moderate value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Casimiroa thrives
Casimiroa is hardy across USDA zones 9 through 11. Zone is only the starting point, though: the soil pH, drainage, and frost dates on your specific land decide how well it actually does.
Zones 9–11·Where Casimiroa growsOpen map →
On USDA hardiness-zone overlap, Casimiroa can grow in these states:
See if Casimiroa will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether casimiroa actually takes — we score it against the real conditions at your address.
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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Frequently Asked Questions
Can I grow Casimiroa in my zone?
Casimiroa grows in USDA hardiness zones 9 through 11 (USDA PHZM 2023). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant Casimiroa?
Most growers plant casimiroa after the last spring frost, once the soil has warmed, leaving enough of the season for its 210-day frost-free need. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Casimiroa need?
Casimiroa needs full sun — a spot that catches at least 6 hours of direct summer sun a day. In more shade it still grows, but usually gives a smaller, later crop. The catch is that a yard rarely gets even light everywhere — a fence, the house, or one tall tree can quietly take those hours. A Growable Ground report reads the real sun-hours across your land, canopy and buildings included, so you can pick the brightest bed before you plant.
What soil does Casimiroa need?
Casimiroa prefers soil pH 6.5 to 8, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Casimiroa attract pollinators?
Yes — casimiroa's flowers are a solid nectar source for honeybees (Xerces Society, Pollinator Partnership).
Is Casimiroa safe for pets?
Casimiroa is not known to be toxic to dogs or cats based on available data (ASPCA). Always supervise pets around new plantings.