Quick read: 40-50% THC, 100-180cm mature height, 8-10 weeks bloom. Genetics: GG x Grapefruit Regular (Blimburn Seeds). Difficulty: moderate.

Blimburn Seeds lists this at $25.98 — the lowest base price in the comparison ($25.98 floor). Pack options: 3-seed at $25.98, 5-seed at $36.20, plus larger sizes.

Smell-first: crack a jar of this and the room shifts — sharp citrus peel, ripe grapefruit, a thread of sweetness underneath. That aromatics profile comes from the Grapefruit side of the cross; the GG parentage is responsible for the other half of the story, pushing lab-tested THC figures into the 40–50% range, which is unusually high even by today's standards and worth taking seriously when you're dialing in dose.

Flowering wraps in 8–10 weeks, and indoor growers running a managed canopy can expect 400–500g/m². Blimburn rates this moderate difficulty — it's not a beginner's first plant, but it doesn't demand the kind of obsessive dialing-in that some high-THC cuts require. It runs fine indoors or out, which gives smaller operations some flexibility on where they drop it. Best suited for experienced growers who want a citrus-dominant, high-potency plant without committing to a finicky pheno hunt.

Genetics & Lineage

GG x Grapefruit traces its genetics to GG x Grapefruit Regular (Blimburn Seeds). This indica-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 50%, this is a potent strain recommended for experienced users — newcomers should start low and go slow.

THC Level & Potency

GG x Grapefruit delivers THC levels of 40-50%, placing it in the high-potency category alongside powerhouses like Gorilla Glue and Girl Scout Cookies. CBD content is minimal, so the psychoactive effects are front and center. The onset typically arrives within 5-10 minutes, settling into the body as a warm, heavy relaxation.

Growing GG x Grapefruit

GG 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 40-50% 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

GG x Grapefruit features a fruity, citrus, 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, GG 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 GG 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 GG x Grapefruit from Seennabis?

When you purchase GG 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.