Quick read: 20-25% THC, 100-180cm mature height, 8-10 weeks bloom. Genetics: Green Crack x Core (Blimburn Seeds). Difficulty: moderate.

Blimburn Seeds lists this at $25.98 — below the median of $29.86 across 22 listings. Pack options: 3-seed at $25.98, 5-seed at $36.20, plus larger sizes.

Smell-first growers will clock this one immediately — the jar opens with sharp citrus and ripe fruit before a low diesel note settles underneath. That terpene stack comes attached to a 20–25% THC ceiling, which makes the sativa-leaning effect hit noticeably fast. Blimburn built this cross by pairing Green Crack's well-documented head-rush profile against their own Core line, and the result flowers out in 8–10 weeks with indoor canopies pulling 400–500g/m² under a solid light setup.

It runs moderate difficulty, meaning you'll want to have a grow or two behind you — she responds well to topping and benefits from consistent airflow to keep the denser structure from holding moisture. Works in both indoor and outdoor settings without needing a climate-controlled environment to perform. A good pick for the grower who wants a productive sativa that doesn't demand expert-level dialing to finish clean.

Genetics & Lineage

Green Crack x Core traces its genetics to Green Crack x Core (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

Green Crack x Core 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 Green Crack x Core

Green Crack x Core 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

Green Crack x Core features a fruity, citrus, diesel, skunky 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, Green Crack x Core 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 Green Crack x Core?

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 Green Crack x Core from Seennabis?

When you purchase Green Crack x Core 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.