Sensi Seeds runs this as a sativa feminized line — 18-24% THC lab range, fruity/diesel-dominant terps, 7-9 weeks from flip.

Smell-first: crack a jar of cured Purple Haze and the room fills with that distinctive sweet-fuel combination — ripe fruit on the front end, diesel sharpness underneath, finishing with a clean sweetness that lingers. This is Sensi Seeds' take on a genuine piece of cannabis history, bred from Purple Thai and a Haze variety, and the sativa character runs deep throughout the grow.

Indoors, expect 400–550 g/m² in a 7–9 week flower window — a fast turnaround for a strain leaning this heavily sativa. Plants develop the purple colouration the name promises, especially when nighttime temps drop into the 15–18°C range during late flower, which Canadian fall grows handle naturally. THC sits between 18–24%, producing a clear-headed, talkative effect rather than a heavy body load. Rated easy across both indoor and outdoor environments, so newer growers won't find themselves fighting the plant to hit decent numbers. Best suited to anyone who wants a manageable daytime strain with old-school credentials and reliable outdoor performance in shorter Canadian summers.

Genetics & Lineage

Purple Haze traces its genetics to Purple Haze (Sensi Seeds genetics). This sativa-dominant feminized seed produces plants that express the best traits of its parent lineage, delivering consistent results for growers of all experience levels. Bred by Sensi Seeds, each seed is selected for genetic stability, terpene expression, and vigor.

Effects & Experience

Users report primarily energetic and euphoric effects, making this strain ideal for evening use and unwinding after a long day. The body-centered stone builds gradually, easing tension and promoting deep physical relaxation. With THC levels reaching 24%, this offers a well-balanced experience suitable for most users with some cannabis familiarity.

THC Level & Potency

Purple Haze delivers THC levels of 18-24%, placing it in the moderate-to-strong range that most regular consumers find comfortable. CBD content is minimal, so the psychoactive effects are front and center. The onset typically arrives within minutes, starting as a cerebral buzz that gradually expands.

Growing Purple Haze

Purple Haze is rated as easy difficulty, making it an excellent choice for first-time growers. The plants are resilient, forgiving of common mistakes like overwatering or inconsistent feeding schedules.

Indoor Growing: Expect a flowering time of 7-9 weeks with yields of 400-550g/m². Plants typically reach 100-180cm indoors. Standard training techniques like topping and LST will help manage height and improve light penetration. Maintain temperatures between 68-80°F with relative humidity around 45-55% during flowering.

Outdoor Growing: This versatile strain performs well in both indoor and outdoor environments. Outdoor growers in warm climates can expect harvest from late September through October. Watch for humidity during late flowering to prevent bud rot, especially with dense flower formations.

Flavor, Aroma & Terpene Profile

Purple Haze features a fruity, diesel, sweet, earthy terpene profile that develops complexity throughout the flowering cycle. Sweet berry and grape notes dominate the inhale, with a sugary exhale that lingers on the palate. The aroma intensifies significantly during the final 2-3 weeks of flowering — carbon filtration is recommended for indoor grows requiring discretion.

Medical Benefits

While individual experiences vary, Purple Haze is commonly reported to help with stress relief, chronic pain, insomnia, and muscle tension. The deeply relaxing effects make it a popular choice among medical users seeking nighttime relief. As with any cannabis strain, start with a low dose and increase gradually. Consult a healthcare professional before using cannabis for medical purposes.

Who Should Grow Purple Haze?

This strain is ideal for beginner growers looking for a reliable, low-maintenance plant that delivers consistent results without advanced techniques. If you're looking for evening relaxation and deep stress relief, this is your strain.

Why Buy Purple Haze from Seennabis?

When you purchase Purple Haze through Seennabis, you are buying directly from Sensi Seeds — The world's oldest cannabis seed bank, founded in Amsterdam in 1985. Every order includes verified genetics, discreet shipping, and responsive seller support. Sensi Seeds has completed over 177 sales.