How to Grow Mamey

Mammea americana · Zones 10-12

Mamey is a perennial grown for its fruit. It's hardy across USDA zones 10 through 12 and handles dry spells once it's established. Its spring flowers are a moderate draw for honeybees, even though the fruit is the prize.

Zones

10-12

pH Range

5.5-8

Sun

Full Sun

Days to Maturity

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What Mamey is

Mamey grows as a perennial. It blooms white in spring.

How to grow Mamey

Mamey grows in USDA zones 10 through 12. Mamey does best in full sun — at least 6 hours of direct sun a day — and soil from pH 5.5 to 8, on well-drained ground. It needs a growing season of at least 150 frost-free days, which is why climate matters as much as soil.

USDA Zones

10-12

USDA PHZM 2023

Soil pH

5.5 - 8

USDA PLANTS Database

Sun

Full Sun

Growable Ground plant catalog

Drainage

well (dry spells)

Growable Ground plant catalog

Frost Tolerance

53.6°F

The lowest temperature it shrugs off — below this, expect damage without cover.

Growable Ground plant catalog

Frost-Free Days

150+

The frost-free stretch it needs start to finish — short-season areas may need an indoor head start.

Growable Ground plant catalog

  1. Start the season right

    Plant mamey in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.

  2. Match the soil

    Mamey prefers pH 5.5 to 8 (FAO ECOCROP). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.

  3. Water steadily

    Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.

  4. 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 — mamey isn't known to be toxic to dogs or cats. (Source: ASPCA.)

Mamey offers moderate value to bees and other pollinators.

Before you harvest mamey, know your soil

Anything you grow to eat takes up what's in the ground it grows in, so it's worth knowing what's documented near you before you plant mamey for food. Our free screen reads 9 federal source types across roughly 1.8M indexed sites and shows which sit near your address and which way they drain. It's a screening estimate from public records and proximity — not a soil test — so a nearby record means a soil test is worth it, not that your soil is unsafe.

Where Mamey thrives

Mamey is hardy across USDA zones 10 through 12. 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 10–12 highlighted on the USDA national hardiness zone map

Zones 10–12·Where Mamey growsOpen map →

On USDA hardiness-zone overlap, Mamey can grow in these states:

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See if Mamey will thrive on your land

Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether mamey actually takes — we score it against the real conditions at your address.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

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 Mamey in my zone?

Mamey grows in USDA hardiness zones 10 through 12 (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 Mamey?

Most growers plant mamey after the last spring frost, once the soil has warmed, leaving enough of the season for its 150-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 Mamey need?

Mamey 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 Mamey need?

Mamey prefers soil pH 5.5 to 8, on well-drained ground (FAO ECOCROP). Your report scores your parcel's actual soil against that using USDA SSURGO data.

Does Mamey attract pollinators?

Yes — mamey's flowers are a solid nectar source for honeybees.

Is Mamey safe for pets?

Mamey is not known to be toxic to dogs or cats based on available data. Always supervise pets around new plantings. (Source: ASPCA.)