The shortest version: Blimburn Seeds's take on sativa genetics, 20-25% THC, 8-10 weeks flowering, moderate grow.

Blimburn Seeds lists this at $25.98 — below the median of $30.41 across 38 listings. Pack options: 3-seed at $25.98, 5-seed at $36.20, plus larger sizes.

Lineage: Bruce Banner x Grapefruit Regular, bred by Blimburn Seeds, puts two well-documented heavy hitters in the same room — Banner's hard-hitting resin production meets Grapefruit's sharp citrus nose. The result sits at 20–25% THC, so this isn't a casual afternoon strain for new users. Flavor runs fruity and citrus up front with a diesel finish that lingers longer than you'd expect from something smelling this bright.

Flowering wraps in 8–10 weeks indoors or out, and a dialed-in indoor setup should return 400–500g/m². Difficulty is rated moderate, meaning it rewards growers who've run at least one or two photoperiod cycles before — she responds well to topping and benefits from solid airflow once canopy fills in. Works in both tent and outdoor environments without major complaints. Best suited to experienced beginners or intermediate growers who want high-THC sativa output without committing to a notoriously finicky cultivar.

Genetics & Lineage

Bruce Banner x Grapefruit traces its genetics to Bruce Banner x Grapefruit Regular (Blimburn Seeds). 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 Blimburn Seeds, 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 23%, this offers a well-balanced experience suitable for most users with some cannabis familiarity.

THC Level & Potency

Bruce Banner x Grapefruit delivers THC levels of 20-25%, 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 Bruce Banner x Grapefruit

Bruce Banner x Grapefruit 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 8-10 weeks with yields of 400-500g/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

Bruce Banner x Grapefruit features a fruity, citrus, diesel, 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, Bruce Banner x Grapefruit 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 Bruce Banner x Grapefruit?

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 Bruce Banner x Grapefruit from Seennabis?

When you purchase Bruce Banner x Grapefruit through Seennabis, you are buying directly from Blimburn Seeds — Barcelona-based breeder with one of the largest feminized + autoflower catalogs in Europe — over 1,200 strains spanning Spanish classics, exotic American hybrids (Banana Jelly x Permanent Marker, Skunk Berry, Glookies), and modern cookie/cake genetics. Every order includes verified genetics, discreet shipping, and responsive seller support.