Pittosporum is a tree, a long-term addition to the landscape. It's hardy across USDA zones 9 through 10, shrugs off deer and shrugs off dry spells. Its spring flowers are a modest draw for honeybees.
Zones
9-10
pH Range
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Sun
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Days to Maturity
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What Pittosporum is
Pittosporum grows as a perennial and reaches around twelve feet at maturity. It blooms in spring. It's also deer-resistant.
How to grow Pittosporum
Pittosporum grows in USDA zones 9 through 10. Pittosporum prefers well-drained ground. It needs about 100 hours of winter chill, which is why climate matters as much as soil.
USDA Zones
9-10
USDA PHZM 2023
Soil pH
Data pending
USDA PLANTS Database
Sun
Data pending
Growable Ground plant catalog
Drainage
well (dry spells)
Growable Ground plant catalog
Mature Height
12 ft
Growable Ground plant catalog
Chill Hours
100+
Winter hours below ~45°F it needs to fruit — too-mild winters can leave it bloom-shy.
Growable Ground plant catalog
Frost-Free Days
0+
The frost-free stretch it needs start to finish — short-season areas may need an indoor head start.
Growable Ground plant catalog
Plant it right
Set pittosporum in full sun with well-drained soil. Many fruit trees need a second variety nearby to pollinate — check before you plant just one.
Match the soil
Pull a soil test from your local Extension lab to confirm pH and drainage match pittosporum's needs before planting.
Water steadily
Keep the root zone evenly moist through establishment. A 2–3 inch mulch layer holds moisture without waterlogging.
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.
Good to know
One caution for pet owners — pittosporum is toxic to dogs and cats (mild severity). Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)
Pittosporum offers low value to bees and other pollinators.
Where Pittosporum thrives
Pittosporum is hardy across USDA zones 9 through 10. 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 9–10·Where Pittosporum growsOpen map →
On USDA hardiness-zone overlap, Pittosporum can grow in these states:
See if Pittosporum will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether pittosporum actually takes — we score it against the real conditions at your address.
Three things about your exact spot that zone averages miss:
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Frequently Asked Questions
Can I grow Pittosporum in my zone?
Pittosporum grows in USDA hardiness zones 9 through 10 (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 Pittosporum?
Set pittosporum 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.
What soil does Pittosporum need?
Specific pH data for pittosporum is pending. It prefers well-drained ground. A soil test from your local Extension lab confirms what your site needs.
Does Pittosporum attract pollinators?
Yes — pittosporum's flowers are a modest nectar source for honeybees.
Is Pittosporum safe for pets?
Pittosporum is toxic to pets (dogs,cats) with mild severity. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: ASPCA.)