From the lab panel — 18-25% THC, <1% CBD. From Canadian grower reports — 400-550g/m² yield, fruity/earthy dominant in cured flower. moderate grow.

Lineage: this is the fourth filial generation of DJ Short's storied Blueberry, stabilized and released under Seedsman's catalog — which means the trait consistency you'd expect from an F1 is largely baked in by now. THC runs 18–25% depending on finishing conditions, so phenotype selection during veg can make a real difference in your final panel. Indoors, growers are pulling 400–550 g/m² after an 8–10 week flower, and the strain handles both indoor and outdoor environments without demanding a specialist's setup. The flavor profile leans fruity and earthy — think fresh blueberry skin with damp soil underneath, nothing perfumed or artificial about it. Difficulty sits at moderate, meaning you'll want some experience dialing in humidity during late flower to protect those dense buds, but this isn't a strain that punishes small mistakes harshly.

Best suited to intermediate growers in Canadian indoor setups who want a recognizable legacy cultivar with predictable structure and genuine fruit-forward terps.

Genetics & Lineage

1998 Blueberry F4 traces its genetics to 1998 Blueberry F4 (Seedsman genetics). 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 Seedsman, each seed is selected for genetic stability, terpene expression, and vigor.

Effects & Experience

Users report primarily euphoric and relaxed 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 25%, this is a potent strain recommended for experienced users — newcomers should start low and go slow.

THC Level & Potency

1998 Blueberry F4 delivers THC levels of 18-25%, 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 minutes with a balanced head-and-body experience that evolves over time.

Growing 1998 Blueberry F4

1998 Blueberry F4 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 400-550g/m². Plants typically reach 100-170cm 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

1998 Blueberry F4 features a fruity, 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, 1998 Blueberry F4 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 1998 Blueberry F4?

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 1998 Blueberry F4 from Seennabis?

When you purchase 1998 Blueberry F4 through Seennabis, you are buying directly from Seedsman — One of the world's largest cannabis seed catalogs, carrying 4,000+ strains from 100+ breeders since 2003. Every order includes verified genetics, discreet shipping, and responsive seller support. Seedsman has completed over 185 sales.