Conditional — Some Areas
barrel cactus (zones 5-11) has limited zone overlap with Hawaii (10a-13a). Only zones 10-11 in the state are suitable.
Your yard isn't the whole zone.
Hawaii spans zones 10a-13a, 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 barrel cactus against your parcel's actual hardiness, soil, and sun.
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Zone Comparison
Barrel Cactus Needs
- USDA Zones: 5-11
- Soil pH: 7 - 8.5
- Sun: Full Sun
- Drainage: excessive (dry/moderately dry)
- Frost-Free Days: 160+
Hawaii Has
- USDA Zones: 10a-13a
- Last Frost: None
- First Frost: None
- Annual Rainfall: 10-400 inches
- Common Soils: Volcanic, Laterite, Coral sand
Plant Zone Range (zones 5-11)
Preferred Soil pH
Plant data: USDA PLANTS Database / plant_species_v5.csv. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.
Growing Season Fit
Zone compatibility says you can survive winter here. Whether the growing season is long enough — and warm enough — is a different question.
Frost-free days
Barrel Cactus wants 160+ frost-free days; a typical Hawaii site sees ~350 (NOAA Climate Normals). That leaves comfortable headroom for succession planting.
Climate aggregates derive from USDA NRCS county-level hardiness data + Cornell CALS Extension GDD-by-region tables + MSU Extension chill-hours-by-zone (1991-2020 NOAA Climate Normals baseline).
Soil + Drainage Fit
Barrel Cactus likes near-neutral soil (pH 7-8.5). That's the common-ground band across Hawaii's volcanic and laterite — a soil test confirms it for your site. Drainage requirement: excessive (dry/moderately dry). A soil-survey lookup (NRCS SSURGO) flags whether your specific site matches.
Plant pH and drainage requirements from USDA PLANTS Database. Hawaii soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.
Barrel Cactus in Hawaii — Quick Answer
- Verdict: Conditional — Some Areas
- Plant Zones: 5-11 (USDA PLANTS Database)
- State Zones: 10a-13a (USDA ARS PHZM 2023)
- Growing Season: None to None (NOAA Climate Normals)
What Else to Consider
Zone compatibility tells you about winter cold survival — but Hawaii growers also need to think about:
Extreme rainfall variation — desert on one side, rainforest on the other
Your side of the island decides everything — check your exact spot's rainfall before choosing crops.
Volcanic soil is nutrient-poor in young flows
A soil test shows what young lava ground is missing — compost and targeted amendments close the gap fast.
Invasive species pressure is severe
Source clean plant material and learn the current watch list — your extension office is the authority on what to keep out.
Where in Hawaii Fits Best
Even within Hawaii's zones 10a-13a, county microclimates differ enough to change what thrives. These counties carry the closest zone match for barrel cactus (USDA PHZM 2023):
Pollinator + Wildlife Value
Barrel Cactus draws pollinators (moderate value, USDA PLANTS Database). Planting it near vegetable beds can lift fruit set on neighboring crops.
Hawaii Cooperative Extension
For Hawaii-specific cultivar recommendations, planting calendars, and pest pressure for barrel cactus, the canonical source is UH Mānoa CTAHR Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.
Is Barrel Cactus native to Hawaii?
Barrel Cactus is native to parts of the Lower 48, but the USDA PLANTS Database (accessed 2026-07-01) does not document a native range in Hawaii. It can still earn a place in a Hawaii garden — the zone comparison above tells you whether it will thrive.
Looking for plants that belong here? The Hawaii 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 Barrel Cactus in Hawaii
When can I plant Barrel Cactus in Hawaii?
Hawaii's last spring frost runs none and first fall frost none (NOAA Climate Normals 1991-2020). Time outdoor planting to after the last-frost window for your specific site, and pull from those dates for transplant scheduling.
What hardiness zone is Barrel Cactus grown in across Hawaii?
Hawaii spans USDA hardiness zones 10a-13a (USDA ARS PHZM 2023). Barrel Cactus carries a range of zones 5-11, so the overlap zones are where outdoor growing is most reliable.
How many frost-free days does a typical Hawaii site have?
A typical Hawaii site sees ~350 frost-free days per year (derived from NOAA Climate Normals 1991-2020). Barrel Cactus needs 160+ frost-free days, so check whether your local microclimate runs above or below the state average before settling on a planting date.
Is Barrel Cactus native to Hawaii?
Barrel Cactus is native to parts of the Lower 48, but the USDA PLANTS Database (accessed 2026-07-01) does not document a native range in Hawaii. It can still earn a place in a Hawaii garden — the zone comparison above tells you whether it will thrive.
How should I amend the soil for Barrel Cactus in Hawaii?
Barrel Cactus prefers pH 7-8.5 and excessive (dry/moderately dry) drainage (USDA PLANTS Database). That sits in the common-ground band across Hawaii soils — a 30-minute soil test from a local Extension lab confirms it for your specific site.
Will Barrel Cactus actually grow on my specific land in Hawaii?
State-level zone + climate data is a sketch. A Growable Ground parcel report scores barrel cactus against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.
Check your specific parcel in Hawaii
State-level data is a sketch. Your Growable Ground report scores barrel cactus against your parcel's exact soil, sun, drainage, and frost data — not zone averages.
Three things about your exact spot that zone averages miss:
We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.
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