passion fruit (Passiflora edulis), photographi

Can I Grow Passion Fruit in Missouri?

USDA Zones 5b-8a · Plant zone range 9-11

Unlikely — Zone Mismatch

passion fruit (zones 9-11) does not overlap with Missouri's zone range (5b-8a). Growing outdoors is unlikely without significant protection.

2 zones short — what would close it

Passion Fruit is hardy to zone 9, and the warmest ground in Missouri is zone 7 — 2 zones short. Planted in open ground it will not survive a Missouri winter. To grow it here, grow passion fruit in an earth-sheltered greenhouse — its modeled 2.5-zone lift covers this gap.

An earth-sheltered greenhouse is the lift this needs. How a greenhouse changes what you can grow →

Zone math from 9-11 (plant) against 5-7 (Missouri). Lift modeled by crop_engine.GREENHOUSE_ZONE_MODIFIER_BY_SUBTYPE['earth_sheltered'] (+2.5 zones) via api/fast_sections.py Unlock Engine v2.

Passion Fruit in Missouri — the short answer

Passion Fruit in Missouri: hardy in zones 9–11, part sun, against a state median of ~219 frost-free days.

Plant zones
9-11
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
Missouri zones
5b-8a
USDA PHZM 2023
Frost window
Mar 27 - Apr 2 – Oct 31 - Nov 7
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
192 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — per-field provenance varies and is published with the dataset.

Score your parcel · free

Your yard isn't the whole zone.

Missouri spans zones 5b-8a, but your yard sits in exactly one — and slope, tree cover, and cold-air pockets nudge it further. Enter your address and we'll score passion fruit against your parcel's actual hardiness, soil, and sun.

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

No card required · your full report in seconds

Missouri is not one climate

Missouri’s winter-low ladder runs across 115 counties, from zone 5.5 in Atchison County to zone 7.5 in Pemiscot County. That is 20°F between the two counties’ average coldest night — the difference between passion fruit overwintering in the ground and coming under cover.

5.5 zonesAtchison County7.5 zonesPemiscot County

The middle half of 115 counties runs 67 zones, with a median of 6.5 zones — a 2-zone span end to end.

Measured across 115 Missouri counties. USDA PHZM 2023, per county. Quartiles are order statistics — every figure shown is a value a real county recorded, not an interpolation. Your own site sits somewhere inside this range; a parcel report resolves where.

Where Passion Fruit Stands in Missouri

Passion Fruit is rated for zones 911 — a cold floor USDA puts at 20 to 30°F. No Missouri county sits inside it, so in open ground this is a grown-under-cover plant here rather than a bed plant — which is a statement about Missouri winters, not about passion fruit.

Below the zone 9 floor

115 counties

3 of 115 shown

Winter cold is the limit here — the same plant works in a container that comes under cover.

County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. A zone is a 10°F band of average annual extreme minimum temperature, so the floor above is the band the plant's rating denotes, not a single measured kill point. Slope, shelter and cold-air drainage routinely move a site half a zone either way from its county figure — which is the part only your address resolves.

Zone Comparison

Passion Fruit Needs

  • USDA Zones: 9-11
  • Sun: Part Sun
  • Mature size: 20 ft tall
  • Drought tolerance: Low

Missouri Has

  • USDA Zones: 5b-8a
  • Last Hard Freeze (28°F): Mar 27 - Apr 2
  • First Hard Freeze (28°F): Oct 31 - Nov 7
  • Annual Rainfall: 34-50 inches
  • Common Soils: Silt loam, Clay loam, Loess

Plant Zone Range (zones 9-11)

9a
11b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 5.58.5

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS, and university Extension sources — per-field provenance varies and is published with the dataset. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.

When to Plant Passion Fruit in Missouri

The frost window

Across Missouri, the last spring hard freeze (28°F) clears between Mar 27 and Apr 2, and the first fall hard freeze lands between Oct 31 and Nov 7 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 212-day window you can count on — up to 225 days on a mild site in a kind year. That marks the hard freeze, not the last light frost, so tender transplants usually wait another 2-3 weeks.

Winter standing

Missouri runs as cold as USDA zone 5, and no sourced winter-hardiness floor is on record for passion fruit, so this page does not state whether it overwinters here — and gives no fall establishment date on the strength of a guess. Whether passion fruit is a permanent planting or a replant-every-spring crop for you turns on your own zone within Missouri; check its hardiness range against that before treating it as long-lived ground.

Timing tuned to sub-state frost dates — Crawford County, not the statewide average.

Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: Growable Ground Plant Database — frost-free days from FAO ECOCROP, days to harvest from university Extension production guides, and growing-degree-day and chill-hour minimums that are compilation estimates rather than published figures. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.

Growing Season Fit

The zone check says passion fruit does not survive a Missouri winter in the ground. The season figures below measure a different question — whether it could finish a season here at all — and they only bear on Missouri under protection.

Growing degree days

Passion Fruit needs ~3500 GDD (base 50°F) to ripen. The state median runs ~3770 GDD (from PRISM 1991-2020 climate normals), so Missouri sits right at the threshold — pay attention to siting and microclimate.

Chill hours

Passion Fruit has no winter-chill requirement — its listed minimum is 0 hours (Growable Ground Plant Database). Missouri typically banks ~2500 chill hours per winter (from PRISM 1991-2020 climate normals), so chill is not a constraint on this plant here — and not evidence in its favour either. Winter survival and season length are what decide it.

GDD and chill-hour figures are computed from PRISM 1991-2020 monthly climate normals; frost-free days from NOAA Regional Climate Centers ACIS, 1991-2020. Each is the state median across its counties (P25/P75 span the within-state spread). Hardiness-zone range is USDA PHZM 2023.

Soil + Drainage Fit

Passion Fruit tolerates a wide pH range (pH 5.5-8.5) — 3 units, acid ground through alkaline — so soil acidity is rarely what limits it in Missouri. A soil test is still worth having, but for what else it tells you about this site, not to clear this plant. It will grow across that whole span, but it does best between pH 6 and 8 — worth knowing before you decide whether a Missouri soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your Missouri site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.

Your land, not the state average

SSURGO maps about 31.8% of Missouri as poorly or somewhat-poorly drained, and the class flips parcel to parcel. Passion Fruit has low drought tolerance, so it is the fast-draining end that will cost you — your soil map unit, not the state average, is the real answer.

Check your parcel → Source: USDA NRCS SSURGO.

Plant pH requirements: FAO ECOCROP and USDA PLANTS, with the remaining rows from other published sources or Growable Ground compilation. Drainage: FAO ECOCROP, with the remaining rows from other published sources or Growable Ground compilation. Missouri soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

Before you plant passion fruit for food

Anything you grow to eat takes up what is in the ground it grows in, so what is on record near you is worth knowing before passion fruit goes in. What follows is Missouri’s documented federal record at state scale — a screening signal, not a soil test, and not a statement about any one lot.

Safe to Grow Here?

What the federal record shows across Missouri — and how to grow with it.

Federal record: High

We checked the federal record across Missouri33,623 documented sites across 8 of the 9 source types we track.

The most significant on record: 270 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Missouri carries one of the heavier federal records we track — and that's not a verdict on your yard. Proximity to a documented site is information, not a diagnosis: nothing here says any particular parcel is affected. It does earn one concrete step — before food beds go in the ground, a professional soil test tells you exactly what you're working with, and raised beds with clean imported soil grow well almost anywhere in the meantime.

Know before you grow — the guide

Sources Checked

across Missouri

Severity Distribution

across Missouri

High4,262Moderate11,651Low17,710

Highest-Severity Sites

Mining Sites · Past Producer
Mining Sites · Past Producer
Mining Sites · Past Producer
Mining Sites · Past Producer
PFAS Sampling · PFAS Detected

A note from Gnorman

What an experienced grower watches for around here

In and around Missouri, two things run higher than the national average across Missouri — Mining (4,339 sites) and CAFO (595 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.

Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.

CAFO: CAFOs pose a different contamination profile than chemical sources.

Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.

Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.

Sources: EPA, USGS1.8M documented sites tracked nationwide across 9 federal source types.

What Else to Consider for Passion Fruit in Missouri

Zone compatibility tells you about winter cold survival — but Missouri growers also need to think about:

Highly variable weather with late frosts and early heat

Heavy clay soils in many regions

Ozark soils are thin and rocky

Growing passion fruit here specifically

Passion Fruit roots run medium and prefer pH 5.5–8.5, but drainage comes first here: SSURGO maps about 31.8% of Missouri as poorly or somewhat-poorly drained, and wet ground rots its crown before pH ever matters.

Plant passion fruit on a raised, gravel-amended berm so water drains fast and the crown stays dry. How to handle it →

What to actually do about these — and the constraints that apply to every Missouri grower, not just passion fruit — is covered on the Missouri growing guide.

Timing shifts within Missouri

Missouri isn't one climate. In Crawford County, the last hard freeze (28°F) holds until about Apr 10 — roughly 12 days later than the recorded state median — so plant passion fruit to your county's window, not the statewide date.

County last-freeze dates: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F freeze (earlier than the folk 32°F "last frost"). A parcel report resolves your address's own frost dates.

Where in Missouri Passion Fruit Is Zone-Hardy

Passion Fruit is rated for USDA zones 911. No Missouri county reaches it. Even Pemiscot County, the state’s mildest winter at zone 7b, sits below the plant’s zone 9 floor — so in open ground this one needs winter protection here, or a container that comes under cover.

Across those 115 counties Missouri’s winter-low ladder runs from zone 5b in Atchison County to zone 7b in Pemiscot County 2 USDA zones of spread, which is 20°F between the two counties’ average coldest night of the year. None of that range reaches the band passion fruit needs, so here the statewide answer really is the answer.

County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. Passion Fruit’s zone 911 band: USDA PLANTS / Growable Ground plant database. A parcel report resolves your address’s own zone and frost dates rather than its county’s.

Pollinator + Wildlife Value

Passion Fruit draws native bees and butterflies (high value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, passion fruit can only work that bloom inside Missouri's frost window — roughly 219 days, opening after the last 28°F freeze (Mar 27 - Apr 2) and closing at the first (Oct 31 - Nov 7), per NOAA Regional Climate Centers ACIS, 1991-2020.

Missouri Cooperative Extension

For Missouri-specific cultivar recommendations, planting calendars, and pest pressure for passion fruit, the canonical source is MU Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.

Is Passion Fruit native to Missouri?

No — the USDA PLANTS Database lists Passion Fruit as introduced rather than native in the Lower 48, so it is not part of Missouri's native flora. It grows here as a garden plant; pairing it with a few Missouri natives keeps local pollinators fed too.

Looking for plants that belong here? The Missouri growing guide lists USDA-documented natives for the state.

Native-range data: USDA PLANTS Database state-distribution records, accessed 2026-07-01.

Common Questions About Growing Passion Fruit in Missouri

When can I plant Passion Fruit in Missouri?

Missouri's last spring hard freeze (28°F) clears between Mar 27 and Apr 2, and the first fall hard freeze lands between Oct 31 and Nov 7 (NOAA Regional Climate Centers ACIS, 1991-2020). No sourced winter-hardiness floor is on record for Passion Fruit, so this page does not state whether it overwinters in Missouri and publishes no fall establishment date for it — check its hardiness range against your own zone before treating it as a permanent planting.

What hardiness zone is Passion Fruit grown in across Missouri?

Missouri spans USDA hardiness zones 5b-8a (USDA ARS PHZM 2023). Passion Fruit carries a range of zones 9-11, so the overlap zones are where outdoor growing is most reliable.

How many frost-free days does a typical Missouri site have?

A typical Missouri site sees ~219 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Passion Fruit should be matched against that window, so check whether your local microclimate runs above or below the state average before settling on a planting date. In cooler counties like Crawford, the freeze-free season runs shorter than the state average, so verify your own county's window.

Is Passion Fruit native to Missouri?

No — the USDA PLANTS Database lists Passion Fruit as introduced rather than native in the Lower 48, so it is not part of Missouri's native flora. It grows here as a garden plant; pairing it with a few Missouri natives keeps local pollinators fed too.

How should I amend the soil for Passion Fruit in Missouri?

Passion Fruit tolerates pH 5.5-8.5 and well (dry spells) drainage (FAO ECOCROP). That is a 3-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a Missouri site — amend for drainage and organic matter first.

Will Passion Fruit actually grow on my specific land in Missouri?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores passion fruit against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.

Free Report

Check your specific parcel in Missouri

State-level data is a sketch. Your Growable Ground report scores passion fruit against your parcel's exact soil, sun, drainage, and frost data — not zone averages.

Three things about your lot that Missouri passion fruit averages can't show:

Your soil pHYour frost-free days — Missouri averages 219Your sun & shade

We read public map data around Missouri — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the Missouri passion fruit average

Analysis by the Growable Ground research team, grounded in USDA PLANTS, USDA NRCS SSURGO, NOAA Climate Normals (1991-2020), and named Cooperative Extension sources. How we know →

Cite this dataset

Kirchick, M. (2026). Growable Ground Plant Database [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21435643

Licensed CC BY-NC 4.0. DOI 10.5281/zenodo.21435643

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