New Zealand kauri (Agathis australis), photographi

How to Grow New Zealand Kauri

Agathis australis · Zones 9-11

New Zealand Kauri is a tree, a long-term addition to the landscape. It's hardy across USDA zones 9 through 11 and shrugs off deer. It roots deep, which helps it reach moisture in a dry spell and open up tight soil as it establishes.

New Zealand Kauri — the short answer

New Zealand Kauri: grown in zones 9–11, full sun, pH 4.5–6.5.

USDA zones
9–11
Hardy to zone 9 — Cal Poly SelecTree.
Soil pH
4.5–6.5
FAO ECOCROP
Sun
Full Sun
Converted from FAO ECOCROP
Frost-kill temp (growing season)
30.2°F
FAO ECOCROP

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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Score New Zealand Kauri on your exact land.

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

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

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What New Zealand Kauri is

New Zealand Kauri grows as a perennial and reaches around 150 feet at maturity. It blooms in spring. It's also deer-resistant.

Life cycle, mature height, bloom period and deer resistance: We haven't confirmed this against a published source yet.

How to grow New Zealand Kauri

New Zealand Kauri grows in USDA zones 9 through 11. New Zealand Kauri does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4.5 to 6.5, on well-drained ground.

USDA Zones

9-11

Rated hardy to zone 9 by Cal Poly SelecTree, checked Oct 2026. Ceiling: Cal Poly SelecTree (read 2026-10-06).

Soil pH

4.5 - 6.5

FAO ECOCROP

Sun

Full Sun

Converted from FAO ECOCROP

Drainage

well (dry spells)

FAO ECOCROP

Frost Kill Temperature

30.2°F

Where cold starts killing growing tissue. Not a winter-survival floor — a dormant perennial takes far colder, which its hardiness zone answers.

FAO ECOCROP

Minimum Growing Temperature

41°F

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

FAO ECOCROP

Mature Height

150 ft

We haven't confirmed this against a published source yet.

  1. Plant it right

    Set new zealand kauri in full sun with well-drained soil.

  2. Match the soil

    New Zealand Kauri prefers pH 4.5 to 6.5 (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. We haven't confirmed this against a published source yet. A 2–3 inch mulch layer holds moisture without waterlogging.

  4. Shape it while it is young

    Prune new zealand kauri only to remove dead, damaged or crossing branches while it is young; it is grown for its form, not a harvest, so little more is needed once it settles in.

Where New Zealand Kauri thrives

New Zealand Kauri 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.

A USDA zone is a 10°F band of average annual extreme winter minimum, so zones 9–11 spans average winter lows from 20°F to 50°F (USDA PHZM 2023). Across the 50 states and DC, that band covers none outright but splits 17 down the middle — and which side of that line your land sits on changes the answer.

Zones 9–11 highlighted on the USDA national hardiness zone map

Zones 9–11·Where New Zealand Kauri 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 New Zealand Kauri stands, state by state

New Zealand Kauri is rated for zones 9–11 — a cold floor USDA puts at 20 to 30°F. Across the 50 states and DC, 0 sit fully inside that band, the line runs through 17 more, and 34 sit outside it — and inside every split state, the same line runs on at county grain.

The line runs through

17 states

3 of 17 shown

New Zealand Kauri’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 9–11

34 states

3 of 34 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

New Zealand Kauri isn't classified as a notable pollinator plant in our data — pair it with high-value bloomers nearby to feed bees.

Your land is one point inside New Zealand Kauri'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 to start

See if New Zealand Kauri will thrive on your land

Zone averages are a start. Your soil pH, drainage, sun exposure, and frost dates shape whether new zealand kauri actually takes. We score it against the mapped and modelled 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.

25+ data sources analyzed in seconds

How we know this about New Zealand Kauri

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 Database

Frequently asked questions

Can I grow New Zealand Kauri in my zone?

New Zealand Kauri grows in USDA hardiness zones 9 through 11 (Rated hardy to zone 9 by Cal Poly SelecTree, checked Oct 2026. Ceiling: Cal Poly SelecTree (read 2026-10-06).). Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.

When should you plant New Zealand Kauri?

Set new zealand kauri 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 New Zealand Kauri need?

New Zealand Kauri needs full sun — a spot that catches at least 6 hours of direct summer sun a day. We haven't confirmed this against a published source yet. 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 New Zealand Kauri need?

New Zealand Kauri prefers soil pH 4.5 to 6.5, on well-drained ground (FAO ECOCROP). Your report scores your parcel's mapped soil against that using USDA SSURGO data.

Does New Zealand Kauri attract pollinators?

New Zealand Kauri isn't classified as a notable pollinator plant in our data. Pairing it with high-value bloomers nearby keeps bees and butterflies fed.

Keep exploring New Zealand Kauri

New Zealand Kauri by USDA hardiness zone

New Zealand Kauri state by state

Every state new zealand kauri's zone reaches — 3 link straight to that state's new zealand kauri growing page; the rest open the state's full growing guide.