How to Grow Neville’s Haze

Neville’s Haze is a legendary 75% sativa-dominant feminized strain built on a Northern Lights #5 x Haze cross, named for one of cannabis breeding’s most famous figures. It carries a THC level of 21%, placing it in the medium range, and delivers a focused, happy and relaxed effect over a citrus, diesel and pungent 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 14 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

Neville's Haze

	THC	21% (Medium)
	Type	Feminized
	Yield	High
	Phenotype	25% Indica / 75% Sativa

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

Neville Haze Auto

	THC	18% - 22% (Medium)
	Type	Autoflowering
	Yield	High
	Phenotype	40% Indica / 60% Sativa

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

Neville’s 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 75% sativa lean places it firmly among the sativa seeds, and its strong returns, up to 2.29 oz/ft² indoors, 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 Neville’s Haze Seeds

A big harvest starts at germination. The paper towel method is hard to beat: fold the Neville’s 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 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 Neville’s Haze in the Vegetative Stage

Neville’s Haze likes a temperate climate and, as a 75% 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 14 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 Neville’s Haze

Indoors, flip Neville’s Haze to a 12/12 light cycle to trigger flowering, which runs a long 10 to 14 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 pungent citrus and diesel aroma, the complex, incense-like Haze character that has made this line a connoisseur favorite.

At 21% THC it sits in the medium range, so the effect is bright and cerebral, a focused, happy and relaxed lift that is classic sativa Haze.

Common Problems and Pro Tips

Neville’s 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 14 week flowering is among the longest around, 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 connoisseur’s 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 pungent citrus-diesel aroma.

Aroma, Flavor and Effects

The nose is loud and complex: a pungent citrus and diesel aroma with an incense-like, spicy depth, the unmistakable Haze signature. It is sharp and penetrating rather than sweet, and it intensifies as the buds cure.

The flavor follows the nose: zesty citrus and fuel with a spicy, pungent finish. On the effect side it is focused, happy and relaxed, a bright, cerebral, energizing lift that defines classic sativa Haze. Because THC runs a solid 21%, it has real presence while staying in the medium range.

Dominant terpenes

Neville’s Haze carries a layered, complex terpene profile. The most influential are Myrcene, Caryophyllene, Humulene, Pinene, Terpinolene and Linalool: Myrcene lays down the earthy base, Caryophyllene and Humulene bring the pungent, peppery, diesel-like depth, Pinene a fresh, sharp lift, Terpinolene a bright, citrusy, complex top note, and Linalool a soft floral edge. Behind them sits Farnesene, which rounds out its pungent, citrus-forward character.

Nutrient Schedule

Treat the figures below as a starting map, not a rulebook. Neville’s 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

Neville’s Haze builds a good coat of resin over its long bloom, so its pungent trim is 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-diesel 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 Neville’s 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 14 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, diesel and pungent 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 pungent citrus-diesel character and incense-like depth really come forward, and it is the step most first-time growers rush.

Frequently Asked Questions

Is Neville’s Haze easy to grow for beginners?

Neville’s Haze is beginner-friendly in temperament, since its Haze vigor is forgiving, but its size and long bloom make it a commitment. A new grower can absolutely manage it by keeping veg short, training hard to control its up-to-3.3 m height, and being patient through the 10 to 14 week flowering.

How long does Neville’s Haze take to flower?

Neville’s Haze flowers over a long 10 to 14 weeks once you switch it to a 12/12 light cycle indoors, among the longest of any strain. Outdoors it ripens into November. That extended bloom is where its complex, pungent citrus-diesel Haze character fully develops, so patience really pays off.

How strong is Neville’s Haze?

Neville’s Haze has a THC level of 21%, which places it in the medium range with real presence. The effect is focused, happy and relaxed, a bright, cerebral, energizing lift that is the classic sativa Haze experience. It is potent enough to satisfy while staying clear-headed rather than heavy.

How much does Neville’s Haze yield?

Neville’s Haze is high-yielding, especially indoors, where it gives around 2.29 oz/ft². Outdoors it reaches 17.64 to 21.16 oz per plant in good conditions. Its huge sativa frame, strong light and a long season are what let it fill out to that generous potential.

Why is Neville’s Haze such a famous strain?

Neville’s Haze is named for a legendary breeder and is one of the definitive Haze lines, built on a Northern Lights #5 x Haze cross. Its towering sativa structure, long flowering, and complex, pungent citrus-diesel profile have made it a benchmark connoisseur Haze for decades.

Is Neville’s Haze an indica or a sativa?

Neville’s Haze is strongly sativa-dominant, at 75% sativa and 25% indica. That lean gives it a tall, lanky, explosive structure and a bright, cerebral, energizing effect. The small indica side adds just a touch of structure, but this is a classic, towering sativa Haze through and through.