Speedy Boom delivers rapid harvests without sacrificing the sativa experience—a rare achievement in autoflower seeds breeding. This fast-finishing cross combines sativa vigor with autoflowering genetics to produce medium-height plants (60–100cm) ready in 9–11 weeks, yielding 400–500g/m². Expect relaxed, euphoric, and creative effects backed by 20–25% THC, complemented by fruity, sweet, and floral flavors that develop throughout the grow. The moderate difficulty makes it accessible to growers stepping up from easy strains, requiring standard care without demanding expertise. Kannabia's Granada-based breeding program, active since 2002, has refined this genetics through the same rigorous selection that produced classics like Karamelo and Mataro Blue. Browse the full Kannabia Seeds catalog to discover more stable Spanish-bred cultivars, or explore similar fast-finishing options like Swiss Dream Rosé Auto CBD.

Genetics & Lineage

Speedy Boom Auto traces its genetics to Speedy Boom Auto (Kannabia Seeds). This sativa-dominant autoflower seed produces plants that express the best traits of its parent lineage, delivering consistent results for growers of all experience levels. Bred by Kannabia 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

Speedy Boom Auto 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 Speedy Boom Auto

Speedy Boom Auto 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 9-11 weeks with yields of 400-500g/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

Speedy Boom Auto features a fruity, sweet, floral 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, Speedy Boom Auto 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 Speedy Boom Auto?

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 Speedy Boom Auto from Seennabis?

When you purchase Speedy Boom Auto through Seennabis, you are buying directly from Kannabia Seeds — Spanish seed company from Granada (since 2002). Every order includes verified genetics, discreet shipping, and responsive seller support. Kannabia Seeds has completed over 78,400 sales with a 4.7-star rating from 5,640 verified reviews.