Kenaf is a tree, a long-term addition to the landscape. It's hardy across USDA zones 8 through 11. Its spring flowers are a moderate draw for honeybees and native bees. It roots deep, which helps it reach moisture in a dry spell and open up tight soil as it establishes.
Kenaf — the short answer
Kenaf: grown in zones 8–11, full sun, pH 4.3–8.2.
- USDA zones
- 8–11
- Not verified
- Soil pH
- 4.3–8.2
- FAO ECOCROP
- Sun
- Full Sun
- We haven't confirmed this against a published source yet.
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.
Score Kenaf on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether kenaf actually takes — and those shift from one yard to the next. Enter your address and we'll score kenaf against your land's real conditions.
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What Kenaf is
Kenaf grows as a perennial and reaches around twelve feet at maturity. It blooms in spring.
Life cycle, mature height and bloom period: We haven't confirmed this against a published source yet.
How to grow Kenaf
Kenaf grows in USDA zones 8 through 11. Kenaf does best in full sun — at least 6 hours of direct sun a day — and soil from pH 4.3 to 8.2, on well-drained ground.
USDA Zones
8-11
Not verified
Soil pH
4.3 - 8.2
FAO ECOCROP
Sun
Full Sun
We haven't confirmed this against a published source yet.
Drainage
well (dry spells)
We haven't confirmed this against a published source yet.
Minimum Growing Temperature
50°F
Below this it stops growing rather than dies — a pace limit, not a survival limit.
FAO ECOCROP
Mature Height
12 ft
We haven't confirmed this against a published source yet.
Plant it right
Set kenaf in full sun with well-drained soil. We haven't confirmed this against a published source yet.
Match the soil
Kenaf prefers pH 4.3 to 8.2 (FAO ECOCROP). A quick soil test from your local Extension lab tells you whether to add lime or sulfur to land in band.
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.
Shape it while it is young
Prune kenaf 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 Kenaf thrives
Kenaf is hardy across USDA zones 8 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 8–11 spans average winter lows from 10°F to 50°F (USDA PHZM 2023). Across the 50 states and DC, that band covers 1 outright and splits 27 more down the middle — and which side of that line your land sits on changes the answer.
Zones 8–11·Where Kenaf 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 Kenaf stands, state by state
Kenaf is rated for zones 8–11 — a cold floor USDA puts at 10 to 20°F. Across the 50 states and DC, 1 sits fully inside that band, the line runs through 27 more, and 23 sit outside it — and inside every split state, the same line runs on at county grain.
The line runs through
27 states
- Alaska · zones 1a-9a
- Idaho · zones 3b-8a
- California · zones 4b-11a
3 of 27 shown
Kenaf’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.
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.
What grows around Kenaf
Growing guides for kenaf
Good to know
One caution for pet owners — kenaf is toxic to pets. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: U.S. FDA Center for Veterinary Medicine, which lists the genus Hibiscus, not this species by name, as potentially dangerous to pets.)
Kenaf offers moderate value to bees and other pollinators. We haven't confirmed this against a published source yet.
Your land is one point inside Kenaf'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.
See if Kenaf will thrive on your land
Zone averages are a start. Your soil pH, drainage, sun exposure, and frost dates shape whether kenaf actually takes. We score it against the mapped and modelled conditions at your address.
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.
25+ data sources analyzed in seconds
How we know this about Kenaf
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 Kenaf in my zone?
Kenaf grows in USDA hardiness zones 8 through 11. Zone is one factor — soil pH, drainage, and frost dates on your specific parcel also shape whether it takes.
When should you plant Kenaf?
Set kenaf 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 Kenaf need?
Kenaf 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 Kenaf need?
Kenaf prefers soil pH 4.3 to 8.2, on well-drained ground (FAO ECOCROP). Your report scores your parcel's mapped soil against that using USDA SSURGO data.
Does Kenaf attract pollinators?
Yes — kenaf's flowers are a solid nectar source for honeybees and native bees. We haven't confirmed this against a published source yet.
Is Kenaf safe for pets?
Kenaf is toxic to pets. Keep it out of reach, and call ASPCA Animal Poison Control at (888) 426-4435 in an emergency. (Source: U.S. FDA Center for Veterinary Medicine, which lists the genus Hibiscus, not this species by name, as potentially dangerous to pets.)
Keep exploring Kenaf
Kenaf state by state
Every state kenaf's zone reaches — 12 link straight to that state's kenaf growing page; the rest open the state's full growing guide.