Sisal Hemp is grown for its foliage and the structure it brings to a planting. It's hardy across USDA zones 9 through 11. Its spring flowers are a moderate draw for native bees and moths.
Zones
9-11
pH Range
5.5-8
Sun
Full Sun
Days to Maturity
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Score Sisal Hemp on your exact land.
Zone averages can't see the slope, soil, frost, and sun that decide whether sisal hemp actually takes — and those shift from one yard to the next. Enter your address and we'll score sisal hemp against your land's real conditions.
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See Sisal Hemp
What Sisal Hemp is
It blooms in spring.
How to grow Sisal Hemp
Sisal Hemp grows in USDA zones 9 through 11. Sisal Hemp does best in full sun — at least 6 hours of direct sun a day — and soil from pH 5.5 to 8, on well-drained ground. It needs a growing season of at least 150 frost-free days, which is why climate matters as much as soil.
USDA Zones
9-11
USDA PHZM 2023
Soil pH
5.5 - 8
USDA PLANTS Database
Sun
Full Sun
plant_species_v5.csv
Drainage
well (dry spells)
plant_species_v5.csv
Frost Tolerance
50°F
plant_species_v5.csv
Frost-Free Days
150+
plant_species_v5.csv
Start the season right
Plant sisal hemp in full sun with at least 6 hours of direct sun, once the soil has warmed and frost risk has passed.
Match the soil
Sisal Hemp prefers pH 5.5 to 8 (USDA PLANTS Database). 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. A 2–3 inch mulch layer holds moisture without waterlogging.
Keep it in good form
Prune sisal hemp to shape as it grows; the reward is its foliage and structure, not a harvest, so steady upkeep is the whole job.
Good to know
One caution for pet owners — sisal hemp 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.)
Sisal Hemp offers moderate value to bees and other pollinators. (Source: Xerces Society, Pollinator Partnership.)
Where Sisal Hemp thrives
Sisal Hemp 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.
Zones 9–11·Where Sisal Hemp growsOpen map →
On USDA hardiness-zone overlap, Sisal Hemp can grow in these states:
See if Sisal Hemp will thrive on your land
Zone averages are a start. Your exact soil pH, drainage, sun exposure, and frost dates shape whether sisal hemp actually takes — we score it against the real 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.
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Frequently Asked Questions
Can I grow Sisal Hemp in my zone?
Sisal Hemp grows in USDA hardiness zones 9 through 11 (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 Sisal Hemp?
Most growers plant sisal hemp after the last spring frost, once the soil has warmed, leaving enough of the season for its 150-day frost-free need. Your local frost dates set the exact window — a Growable Ground report reads them for your address.
How much sun does Sisal Hemp need?
Sisal Hemp needs full sun — a spot that catches at least 6 hours of direct summer sun a day. 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 Sisal Hemp need?
Sisal Hemp prefers soil pH 5.5 to 8, on well-drained ground (USDA PLANTS Database). Your report scores your parcel's actual soil against that using USDA SSURGO data.
Does Sisal Hemp attract pollinators?
Yes — sisal hemp's flowers are a solid nectar source for native bees and moths (Xerces Society, Pollinator Partnership).
Is Sisal Hemp safe for pets?
Sisal Hemp 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.