Durban Poison feminized cannabis plant showing tall sativa buds and slender leaves

Feminized seeds

South African landrace from the Durban region

THC: 18-24%
Bloom: 9-10 wks
Yield/sq ft: 1.5-1.8 oz
Level: Easy

Durban Poison Feminized Seeds

From $65.00

Sweet licorice, spice and pine. A pure South African landrace sativa in feminized form, known for clear, energetic effects and a quick finish for a sativa.

THC18-24%
Bloom9-10 weeks
Height3-5 ft indoors
LevelEasy

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SKU: BMS-DP-FEM Categories: Beginner Seeds, Feminized Seeds, Outdoor Seeds, Sativa Seeds

Quick answerDurban Poison is a pure sativa landrace from the Durban region of South Africa that was popularized in the US in the 1970s. It is known for a sweet anise and licorice aroma, supplier-reported THC of 18-24%, energetic, clear-headed effects and a 9-10 week flowering time that is short for a pure sativa.

Durban Poison at a glance

THC18-24%Supplier reported. Potent, with a clear sativa character.

Flowering9-10 wksFrom the flip, quick for a sativa

Indoor yield1.5-1.8 ozPer sq ft with a trained canopy

Height3-5 ftIndoors. 6-8 ft outdoors

Outdoor harvestMid-late OctLong, warm seasons

HeritagePure South African landraceA pure sativa line, popularized in the US in the 1970s

What is the Durban Poison strain?

Durban Poison is a landrace: a sativa that took shape over generations in the area around the port city of Durban, South Africa, rather than in a modern breeding room. It reached American growers in the 1970s and has stayed a reference point for pure sativa genetics ever since.

It looks the part, with real height, long gaps between nodes and slender, finger-like leaves. Unlike many pure sativas, though, it is heavy with resin and finishes in a manageable 9 to 10 weeks of flower, which makes it practical indoors in a way most long-season sativas are not.

The name points to its home city, and the nose is just as distinctive: sweet anise and licorice over spice and pine. These feminized seeds keep the landrace character while giving you female plants from the start, so there is no need to sort out males before flowering.

South African landrace

South African landraceFeminized selection

Durban Poison

How it feels

Consumers often describe a fast, clear and energetic head high with little body weight, which is why many keep it for daytime. The mood tends to be upbeat and talkative rather than dreamy.

First few minutesQuick, alert lift
A clean burst of energy and a sharper, more awake feeling.
30 to 90 minutesFocused and creative
Many people report steady focus that suits projects, walks or conversation.
As it fadesLight landing
It tends to taper off gently, without much heaviness or couch time.

Commonly reportedEnergeticFocusedUpliftedCreative

Reported THC up to 24% with a stimulating profile: start small, since some people report jitters or racing thoughts at higher doses. Dry mouth is also common. General reports, not medical guidance.

Aroma, flavor and terpenes

Sweet anise and black licorice up front, then warm spice and a fresh pine finish. It is one of the easiest strains to recognize by smell, and it gets loud in the last weeks of flower, so plan on a carbon filter.

Flavor notesAniseSweetSpicyPine

TerpinoleneHerbal, fresh, floral

The bright, sweet top note found in many classic sativas.

MyrceneEarth, musk

Adds a soft, earthy depth under the spice.

OcimeneSweet herb, wood

Contributes a green, slightly woody sweetness.

Dry slowly at about 60°F and 60% humidity for 10-14 days. A jar cure of two weeks or more brings the licorice note forward.

How to grow Durban Poison

Rated easy. Durban Poison is hardy and its airy flowers resist mold, so the main job indoors is managing height.

Indoors

Veg climate: 75-85°F, 50-65% RH
Flower climate: 70-82°F, 40-55% RH
Headroom: Plan for a strong post-flip stretch
Light: 700-1,000 PPFD in flower (LED)
Training: Top early, then LST or a SCROG net
Feeding: Light to moderate; go easy on nitrogen

Outdoors

Plant out: After last frost, nights above 50°F
Size: 6-8 ft in full sun
Harvest: Mid to late October
Best fit: Long, warm seasons (USDA 7-10)
Strength: Airy buds shrug off humidity
Watch for: Early frost before it finishes

Read the full indoor grow guide

Durban Poison grows like the sativa it is, with long internodes and narrow leaves, but it stays workable indoors at 3 to 5 feet once you train it. A 4×4 ft tent with good vertical room is a comfortable fit.

Environment

Vegetative: 75-85°F with 50-65% relative humidity. It likes warmth.
Flower: 70-82°F and 40-55% RH. Its open, airy buds handle humidity better than dense indica colas, but steady airflow still matters.
Heat: keep the canopy below about 85°F late in flower to avoid foxtailing under strong LEDs.

Light and training

Give it bright light, around 700-1,000 PPFD in flower under LED. Top once or twice early in veg, then spread the branches with LST or a SCROG net. Flip to 12/12 when the plant reaches about half the final height you can allow, because it keeps growing for the first few weeks of flower.

Feeding

Sativas like this one usually want less nitrogen than heavy indicas. Feed moderately, treat dark, clawing leaves as a sign of excess, and keep the pH steady through bloom.

Harvest timing

Most plants finish after 9 to 10 weeks of flower. Read the trichomes rather than the pistils: harvesting when most heads are cloudy keeps the effect bright and energetic, which is the whole point of growing Durban Poison.

Seed to jar in about 21 weeks

A typical indoor run. Keep veg short, since this sativa adds much of its height after the flip.

Germinate1 wkSeedling2 wkVegetate3 wkFlower10 wkDry and cure5 wk

Week 1Week 21

Germinate weeks 1-1
Paper towel method, 75-80°F
Seedling weeks 2-3
Warm room, 60-70% RH
Vegetate weeks 4-6
Top early, spread with LST
Flower weeks 7-16
9-10 weeks from the flip
Dry and cure weeks 17-21
Slow dry, two-week jar cure

Growing Durban Poison outdoors in the US

Outdoors is where Durban Poison feels at home. In full sun it commonly reaches 6 to 8 feet and can produce 14 to 18 ounces per plant. Plant out after your last spring frost, once nights stay above about 50°F, and give it the sunniest, warmest spot you have.

The challenge is the calendar, not mold. Its airy, open structure copes with humid weather better than most dense hybrids, but harvest falls in mid to late October, so it needs a long, warm season. In northern states or at elevation, frost can arrive before the buds are done. Starting it under cover, or planting it against a south-facing wall for extra warmth, buys valuable time. Our outdoor planting guide lists timing for each USDA zone.

Before planting, confirm your state’s rules on home cultivation, including plant limits and whether plants must be kept out of public view.

Will it finish where you live?

ExcellentInland California and the Southwest

Long, hot, sunny seasons let it finish fully in mid to late October.

FairColorado Front Range and Utah valleys

Plenty of sun, but early frost at elevation can beat its late finish.

FairMidwest

A late-October finish often runs into the first hard frost up north.

PoorNortheast

Frost usually arrives before the buds are done; a greenhouse or indoor grow is safer.

GoodSoutheast and Gulf Coast

Long, warm seasons suit it, and airy buds cope with humidity better than most.

Check your state's home-grow rules before you plant. Laws by state

Who Durban Poison is for

Daytime consumersAdults who want a classic, energetic sativa profile rather than a heavy, sleepy one.
Landrace collectorsGrowers who value pure, old-world sativa genetics with a distinct anise nose.
Mold-wary growersAiry, open buds that handle humid weather better than dense hybrids.
Long-season outdoor growersCalifornia, the Southwest and the Southeast give it time to finish in mid to late October.

Keep exploring

Sativa seedsEnergetic, tall, clear-headed genetics Outdoor seedsStrains that thrive in full sun What is a landrace?Old, locally adapted cannabis lines TerpinoleneThe terpene behind its bright, sweet nose When to plant outdoorsPlanting dates by USDA zone

Durban Poison strain data sheet

Genetics

Seed type: Feminized
Genetics: Pure sativa (South African landrace)
Lineage: South African landrace from the Durban region

Potency & profile

THC: 18-24% (supplier reported)
CBD: 0.1-1%
Commonly reported effects: Creative, Energetic, Focused, Uplifted
Flavors: Anise, Pine, Spicy, Sweet
Dominant terpenes: Myrcene, Ocimene, Terpinolene

Growing

Flowering time: 9-10 weeks
Height: 3-5 ft indoors, 6-8 ft outdoors
Difficulty: Easy
Climate: Warm and sunny, 70-85°F, 40-55% RH in flower
Best USDA zones: 7-10 (long, warm seasons)
Outdoor harvest: Mid to late October

Yield

Indoor yield: 1.5-1.8 oz per sq ft
Outdoor yield: 14-18 oz per plant

Ranges are typical for this strain and vary with phenotype, environment and technique.

Durban Poison FAQ

Is Durban Poison indica or sativa?

Durban Poison is a pure sativa, a landrace from the Durban region of South Africa. It grows tall with slender leaves, and consumers commonly describe an energetic, clear-headed effect.

How strong is Durban Poison?

Our supplier reports THC of 18-24%. Because the effect is stimulating rather than sedating, newer consumers should start with a small amount. Results vary with phenotype, conditions and harvest timing.

How long does Durban Poison take to flower?

Indoors, expect 9 to 10 weeks after switching to 12/12, which is quick for a pure sativa. Outdoors in the US, plants finish in mid to late October.

How much does Durban Poison yield?

Indoors, a trained canopy can produce roughly 1.5 to 1.8 ounces per square foot. Outdoors, plants in full sun can produce roughly 14 to 18 ounces each, depending on season length and care.

Is Durban Poison easy to grow?

Yes, it is rated easy. It is hardy and its airy buds resist mold, so the main challenge is height. Top it early and keep veg short indoors.

What does Durban Poison smell and taste like?

Sweet anise and licorice lead, with spice and pine behind them. Terpinolene, myrcene and ocimene are the terpenes most often reported.

Where does Durban Poison grow best outdoors in the US?

It does best in long, warm seasons such as inland California, the Southwest and the Southeast. In northern states its mid to late October finish can run into frost, so a covered start or an indoor grow is safer.

Is Durban Poison a landrace strain?

Yes. It developed over generations in the Durban region of South Africa rather than being bred from modern hybrids, and it was popularized in the US in the 1970s. These feminized seeds keep that pure sativa character.

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