awl tree (Morinda citrifolia), photographi

How to Grow Awl Tree

Morinda citrifolia · Zones 10-12

Awl Tree is a tree, a long-term addition to the landscape. It's hardy across USDA zones 10 through 12. Its spring flowers are a modest draw for honeybees, even though the fruit is the prize. It roots deep, which helps it reach moisture in a dry spell and open up tight soil as it establishes.

Awl Tree — the short answer

Awl Tree: grown in zones 10–12, full sun, pH 4.3–7.

USDA zones
10–12
Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
Soil pH
4.3–7
FAO ECOCROP
Sun
Full Sun
Growable Ground Plant Database

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — each tile names its own row's source, because per-field provenance varies.

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Zone averages can't see the slope, soil, frost, and sun that decide whether awl tree actually takes — and those shift from one yard to the next. Enter your address and we'll score awl tree against your land's real conditions.

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What Awl Tree is

Awl Tree grows as a perennial and reaches around 20 feet at maturity. It blooms white in spring.

How to grow Awl Tree

Awl Tree grows in USDA zones 10 through 12. Awl Tree does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4.3 to 7, on well-drained ground. It needs a growing season of at least 365 frost-free days, which is why climate matters as much as soil.

USDA Zones

10-12

USDA PHZM 2023

Soil pH

4.3 - 7

FAO ECOCROP

Sun

Full Sun

Growable Ground plant catalog

Drainage

well (dry spells)

Growable Ground plant catalog

Minimum Growing Temperature

53.6°F

Below this it stops growing rather than dies — a pace limit, not a survival limit.

FAO ECOCROP

Mature Height

20 ft

Growable Ground plant catalog

Frost-Free Days

365+

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

Growable Ground plant catalog

  1. Plant it right

    Set awl tree in full sun with well-drained soil. Many fruit trees need a second variety nearby to pollinate — check before you plant just one.

  2. Match the soil

    Awl Tree prefers pH 4.3 to 7 (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. Be patient, then harvest

    Prune annually while the tree establishes; fruit trees reward patience with years of harvest. Local Extension guides publish per-cultivar bearing-age tables.

Where Awl Tree thrives

Awl Tree 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.

A USDA zone is a 10°F band of average annual extreme winter minimum, so zones 1012 spans average winter lows from 30°F to 60°F (USDA PHZM 2023). Across the 50 states and DC, that band covers none outright but splits 8 down the middle — and which side of that line your land sits on changes the answer.

Zones 10–12 highlighted on the USDA national hardiness zone map

Zones 10–12·Where Awl Tree growsOpen map →

This map is derived from the USDA ARS / PRISM Plant Hardiness Zone Map (2023) and is not the official USDA Plant Hardiness Zone Map.

Where Awl Tree stands, state by state

Awl Tree is rated for zones 1012 — a cold floor USDA puts at 30 to 40°F. Across the 50 states and DC, 0 sit fully inside that band, the line runs through 8 more, and 43 sit outside it — and inside every split state, the same line runs on at county grain.

The line runs through

8 states

3 of 8 shown

Awl Tree’s band covers part of each of these states — which side of the line your county sits on changes the answer, and each state page draws it.

Outside zones 10–12

43 states

3 of 43 shown

Winter cold is the limit here — the same plant often works in a container that comes under cover. Each link is that state’s own growing hub.

State zone extents: USDA Plant Hardiness Zone Map (PHZM) 2023. A zone is a 10°F band of average annual extreme minimum temperature, so a state that splits the band contains the boundary — its own page draws the county line, and a parcel report resolves which side your land sits on.

Good to know

Good news for pet owners — awl tree isn't known to be toxic to dogs or cats. (Source: ASPCA.)

Awl Tree offers low value to bees and other pollinators.

Before you harvest awl tree, 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 awl tree 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.

Your land is one point inside Awl Tree's range

This page resolves to the species. Your state page draws the county line, and a report reads the parcel — the soil pH, drainage, sun, and frost dates on your exact ground, which no species average can see.

Free Report

See if Awl Tree will thrive on your land

Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether awl tree 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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How we know this about Awl Tree

The figures above are cited per row, not per site: the pH band names this plant’s own source column, the three temperature figures each carry their own, and days-to-maturity cites the publication that actually lists it. All of it comes from the Growable Ground Plant Database — a compilation over FAO ECOCROP, USDA PLANTS, and university Extension sources, published openly with per-field provenance.

Grounded inUSDA PLANTS DatabaseUSDA PHZMASPCA

Frequently asked questions

Can I grow Awl Tree in my zone?

Awl Tree 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 Awl Tree?

Set awl tree out in early spring or fall while it's dormant, so the roots establish before the heat of summer. Your local last-frost date — which a Growable Ground report pulls for your exact address — sets the precise window.

How much sun does Awl Tree need?

Awl Tree 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 Awl Tree need?

Awl Tree prefers soil pH 4.3 to 7, on well-drained ground (FAO ECOCROP). Your report scores your parcel's actual soil against that using USDA SSURGO data.

Does Awl Tree attract pollinators?

Yes — awl tree's flowers are a modest nectar source for honeybees.

Is Awl Tree safe for pets?

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

Keep exploring Awl Tree

Awl Tree by USDA hardiness zone

Awl Tree state by state

Every state awl tree's zone reaches — 1 link straight to that state's awl tree growing page; the rest open the state's full growing guide.