Purple Arrow brings together the best of NorCal mountain genetics—blending Mendo Breath's resinous foundation with Headband's focused potency and Trainwreck's legendary vigor. This feminized hybrid hits 21% THC and finishes in 7-9 weeks, delivering around 300g/m² of compact plants (60-100cm) built for outdoor resilience. Expect euphoric, relaxed effects paired with earthy-sweet flavors that reflect its Emerald Triangle heritage. Moderate growing difficulty makes it accessible for cultivators ready to step beyond autoflower seeds, while the sturdy phenotype handles variable conditions. Explore more from the breeder in the Mendocino Farms catalog, or try a similar standout like Tangerine for another taste of Emerald Triangle craftsmanship.

Genetics & Lineage

Purple Arrow traces its genetics to Proprietary cross (Mendocino Farms). This hybrid-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 Mendocino Farms, each seed is selected for genetic stability, terpene expression, and vigor.

Effects & Experience

Users report primarily relaxed 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 21%, this offers a well-balanced experience suitable for most users with some cannabis familiarity.

THC Level & Potency

Purple Arrow delivers THC levels of 21%, 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 with a balanced head-and-body experience that evolves over time.

Growing Purple Arrow

Purple Arrow is rated as moderate difficulty, making it suitable for growers with some experience. Basic knowledge of nutrient schedules, pH management, and environmental controls will help maximize results.

Indoor Growing: Expect a flowering time of 7-9 weeks with yields of 300g/m2. Plants typically reach 60-100cm 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 Arrow features a earthy, sweet terpene profile that develops complexity throughout the flowering cycle. A smooth, candy-like sweetness defines the flavor, with subtle complexity on the exhale. 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 Arrow 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 Arrow?

This strain is ideal for intermediate growers ready to push their skills and be rewarded with superior results. If you're looking for evening relaxation and deep stress relief, this is your strain.

Why Buy Purple Arrow from Seennabis?

When you purchase Purple Arrow through Seennabis, you are buying directly from Mendocino Farms — NorCal farm breeder from the Emerald Triangle — Mendocino County. Every order includes verified genetics, discreet shipping, and responsive seller support. Mendocino Farms has completed over 42,250 sales with a 4.7-star rating from 3,048 verified reviews.