How to Grow Mexican Haze

Mexican Haze is a 70% sativa-dominant feminized strain built on a classic landrace-rooted cross of Acapulco Gold, Haze and Jack Herer. It carries a THC level of 15 to 23%, placing it in the medium range, and delivers a happy, uplifted and energetic effect over a citrus, hashish and woody flavor. This guide takes you through the whole grow, from germinating the seeds to the final cure.

It is a true sativa giant, towering up to 10.83 ft with a long 10 to 12 week flowering and a high yield. Those traits make it a project plant best suited to growers who can give it the space and patience it demands.

Recommended Strains

Mexican Haze

	THC	15% - 23% (Medium)
	Type	Feminized
	Yield	High
	Phenotype	30% Indica / 70% Sativa

1 Seed - $17.503 Seeds - $426 Seeds - $659 Seeds - $8025 Seeds - $19550 Seeds - $320100 Seeds - $580 Add to cart

Mexican Red Hair Auto

	THC	18% - 20% (Medium)
	Type	Autoflowering
	Yield	High
	Phenotype	65% Indica / 35% Sativa

1 Seed - $17.503 Seeds - $426 Seeds - $659 Seeds - $8025 Seeds - $19550 Seeds - $320100 Seeds - $580 Add to cart

Mexican Haze at a Glance

Before you plant anything, it helps to see the full picture in one place. Here is the quick profile for this towering sativa-dominant feminized strain, taken straight from the strain’s grow data.

These are feminized seeds, so every plant flowers female and you skip culling males. Its 70% sativa lean places it firmly among the sativa seeds, and its heavy returns, up to 28.22 oz per plant outdoors, earn it a spot with the high-yielding seeds. If you are still deciding, the find your strain tool can help you compare it with the rest of the catalog.

How to Germinate Mexican Haze Seeds

A big harvest starts at germination. The paper towel method is hard to beat: fold the Mexican Haze seeds inside two damp sheets, slide them between two plates, and keep them somewhere dark at 70 to 79°F. A taproot usually appears in two to five days.

Once the taproot is a few millimeters long, move each seed root-down about 1 cm deep into a small pot of light, airy medium. Keep it lightly moist rather than soaked, hold humidity around 65 to 70%, and give soft light while the first true leaves open. Its powerful Haze and landrace vigor makes for a fast, strong seedling that is ready to take off.

Starter tips

• Use plain, lightly pH-balanced water (pH 5.5 to 6.5) for the first week.
• Keep seedlings warm and humid, but never waterlogged.
• Hold off on nutrients until the second set of serrated leaves appears.

Growing Mexican Haze in the Vegetative Stage

Mexican Haze likes a temperate climate and, as a 70% sativa, it grows explosively into a tall, lanky plant that can reach a towering 3.3 m if left unchecked. Keep it on 18 hours of light a day, aim for day temperatures of 68 to 79°F, and hold humidity around 50 to 60%. Managing its size is the single most important part of growing this strain.

This is the stage to take firm control of its height. Keep the vegetative period short, top early, and use low-stress training or super-cropping to bend the main stem and keep the canopy level. A short veg and heavy training are the only way to keep this giant manageable indoors.

Its towering build and late November finish make it an outdoor plant for warm, long-season climates:

• Southern California and the Southwest: ideal, since the long, warm autumn lets its 10 to 12 week bloom ripen fully into November and its size has room to run.
• Mediterranean-style climates: the long warm season suits a late-finishing, towering haze like this one.
• Cooler and shorter-season states: the very late finish is a real risk, so a greenhouse or a long, warm site is important.

Flowering and Buds of Mexican Haze

Indoors, flip Mexican Haze to a 12/12 light cycle to trigger flowering, which runs a long 10 to 12 weeks. Outdoors it ripens into November. As a pure-leaning sativa it stretches hard after the flip, often tripling in height, then forms long, airy, resinous spear-shaped colas.

Through bloom, drop humidity to 40 to 45% and keep air moving so the long flowers stay healthy. The buds build a citrus and woody aroma with a classic hashy, incense-like depth, the signature of its Acapulco Gold and Haze landrace roots.

At 15 to 23% THC it sits in the medium range, so the effect is bright and cerebral, a happy, uplifted and energetic lift that is classic sativa Haze.

Common Problems and Pro Tips

Mexican Haze is rewarding, but its extreme height and long flowering make a few things essential.

• Control the height: at up to 3.3 m it will overwhelm a small space, so a short veg and heavy early training are a must indoors.
• Commit to the long bloom: the 10 to 12 week flowering is on the long side, so plan your timeline and do not harvest early.
• Support the long colas: its airy sativa spears sit on tall, slender branches, so stake and net them well.

Expert tip: this is a classic landrace-rooted Haze that pays back patience. If space is tight, flip early and train hard; outdoors, give it a long, warm season and strong support. Keep airflow moving through the open structure, and cure slowly to bring out the citrus-hashy aroma.

Aroma, Flavor and Effects

The nose is classic and complex: a bright citrus aroma over a woody base with a deep, hashy, incense-like note, the unmistakable landrace Haze signature. It is sharp and resinous rather than sweet, and it intensifies as the buds cure.

The flavor follows the nose: zesty citrus and wood with a rich, hashy finish. On the effect side it is happy, uplifted and energetic, a bright, cerebral, driving lift that defines classic sativa Haze. Because THC runs from 15 up to 23%, it has real presence while staying in the medium range.

Dominant terpenes

Mexican Haze carries a classic, layered terpene profile built on five terpenes. Myrcene lays down the earthy, hashy base, Caryophyllene brings a spicy, woody depth, Terpinolene a bright, citrusy, complex top note that lifts the nose, Linalool a soft floral edge, and P-Cymene a dry, woody, spicy touch. Together these five shape its citrus-and-wood, incense-like character.

Nutrient Schedule

Treat the figures below as a starting map, not a rulebook. Mexican Haze is a vigorous, hungry feeder over its long cycle, so read the plant first: tip burn means back off, while pale, slow growth means it wants a little more. All values use EC.

Keep the pH around 6.0 to 6.5 in soil and 5.5 to 6.0 in hydro so the roots can actually take up what you feed.

What to Do With Your Trim: Extracts and Hash

Mexican Haze builds a good coat of resin over its long bloom, and with its naturally hashy profile the trim is well worth keeping. The sugar leaves you take off while manicuring carry trichomes and suit Ice Water Hash, where cold water and agitation separate the resin heads into a clean, solventless concentrate. Pressing that hash into rosin keeps the citrus-woody flavor intact, or you can run a solvent extraction if that is your setup. The bare stems will not extract, but chopped and composted they feed organic matter back into the soil for your next grow.

Harvesting, Drying and Curing Mexican Haze

Timing the harvest comes down to the trichomes, and with this long-flowering Haze patience is everything. Grab a loupe and watch the heads turn from clear to milky white; a scattering of amber signals peak ripeness. Indoors this lands a long 10 to 12 weeks after the flip, and outdoors the plants are ready into November.

After the cut, hang the branches in a dark room at 59 to 68°F with humidity near 50% and gentle air movement. Slow beats fast: drying over 10 to 14 days protects the citrus, hashish and woody aromas that define this strain. When the small stems snap instead of bending, move the buds into jars.

Cure in sealed glass, opening the jars daily for the first week to let moisture escape, then easing off as the aroma deepens. Two to four weeks of patience here is where the citrus-woody character and hashy depth really come forward, and it is the step most first-time growers rush.

Frequently Asked Questions

Is Mexican Haze easy to grow for beginners?

Mexican Haze is beginner-friendly in temperament, since its landrace vigor is forgiving, but its size and long bloom make it a commitment. A new grower can manage it by keeping veg short, training hard to control its up-to-3.3 m height, and being patient through the 10 to 12 week flowering.

How long does Mexican Haze take to flower?

Mexican Haze flowers over a long 10 to 12 weeks once you switch it to a 12/12 light cycle indoors. Outdoors it ripens into November. That extended bloom is where its complex, citrus-hashy Haze character fully develops, so patience through the final weeks really pays off.

How strong is Mexican Haze?

Mexican Haze has a THC level of 15 to 23%, which places it in the medium range, reaching real strength at the top end. The effect is happy, uplifted and energetic, a bright, cerebral, driving lift that is the classic sativa Haze experience. It stays clear-headed rather than heavy.

How much does Mexican Haze yield?

Mexican Haze is high-yielding. Indoors it gives around 1.31 to 1.64 oz/ft², and outdoors it reaches up to 28.22 oz per plant in good conditions. Its huge sativa frame, a long warm season and strong light are what let it fill out to that generous potential.

What does Mexican Haze taste and smell like?

Mexican Haze leads with a bright citrus aroma over a woody base with a deep, hashy, incense-like note, the classic landrace Haze signature from its Acapulco Gold roots. It is sharp and resinous rather than sweet. Both the aroma and flavor intensify as the buds cure slowly in the jar.

Is Mexican Haze an indica or a sativa?

Mexican Haze is strongly sativa-dominant, at 70% sativa and 30% indica. That lean gives it a tall, lanky, explosive structure and a bright, energetic, cerebral effect. The small indica side adds just a touch of body, but this is a classic, towering sativa Haze through and through.