From the lab panel — 19-24% THC, <1% CBD. From grower reports — 550 g/m² yield, fruity/sweet dominant in cured flower. easy grow.

Fast Buds lists this at $46.66 — the upper end of the comparison range (up to $43.20). Pack options: 3-seed at $46.66, 5-seed at $77.76, plus larger sizes.

Smell-first: crack a jar of Guava Auto RF3 and the room fills with ripe tropical fruit and a clean sweetness that growers consistently describe as closer to a guava candy than raw flower. Fast Buds built this through eight generations of selective work, and the stability shows — 19–24% THC with almost no CBD, and yields pushing 550 g/m² indoors on a seed-to-harvest window of just 8–9 weeks.

Because it's an autoflower, light schedule management is off the table, which keeps the grow simple whether you're running a tent or an outdoor plot. Feeding stays moderate, topping is optional, and the plant handles minor environmental swings without throwing a fit. If you've been curious about high-THC autoflowers but felt burned by finicky strains in the past, this one is genuinely forgiving — a solid first auto for newer growers and a dependable bulk producer for experienced ones who want fast turnaround without sacrificing potency.

Genetics & Lineage

Guava Auto RF3 traces its genetics to simplify the process, requiring minimal maintenance while still producing high-quality results. This indica-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 Fast Buds, each seed is selected for genetic stability, terpene expression, and vigor.

Effects & Experience

Users report primarily relaxed and sleepy 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 24%, this offers a well-balanced experience suitable for most users with some cannabis familiarity.

THC Level & Potency

Guava Auto RF3 delivers THC levels of 19-24%, 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 5-10 minutes, settling into the body as a warm, heavy relaxation.

Growing Guava Auto RF3

Guava Auto RF3 is rated as easy difficulty, making it an excellent choice for first-time growers. The plants are resilient, forgiving of common mistakes like overwatering or inconsistent feeding schedules.

Indoor Growing: Expect a flowering time of 8-9 weeks from seed with yields of 550 g/m². Plants typically reach 70-120 cm indoors. This strain responds exceptionally well to SCROG (Screen of Green) and LST (Low Stress Training), which can boost yields significantly. 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 the dense, heavy buds this strain produces.

Flavor, Aroma & Terpene Profile

Guava Auto RF3 features a fruity, sweet 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, Guava Auto RF3 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 Guava Auto RF3?

This strain is ideal for beginner growers looking for a reliable, low-maintenance plant that delivers consistent results without advanced techniques. If you're looking for evening relaxation and deep stress relief, this is your strain.

Why Buy Guava Auto RF3 from Seennabis?

When you purchase Guava Auto RF3 through Seennabis, you are buying directly from Fast Buds — The world's leading autoflower seed bank. Every order includes verified genetics, discreet shipping, and responsive seller support. Fast Buds has completed over 0 sales.

Guava Auto RF3 vs Fast Buds (2Fast4Buds)

Guava Auto RF3 is a high-performance autoflower strain from Fast Buds, also known as 2Fast4Buds or 42 Fast Buds — the world's leading autoflower breeder. Specializing exclusively in autoflowering genetics since 2010, Fast Buds has built a reputation for delivering strains that go from seed to harvest in just 8-10 weeks with impressive potency and reliability. This strain features the fruity and sweet terpene profile that Fast Buds Seeds are celebrated for.

While 2fast4buds.com offers their full autoflower catalog direct, Seennabis gives you the complete picture. If you've been searching for “Fast Buds Guava Auto RF3” or “Guava Auto RF3 2Fast4Buds review,” you've found the most comprehensive breakdown available — with growing guides, effect profiles, and side-by-side comparisons against both other Fast Buds strains and photoperiod alternatives from different breeders.

Why Buy Fast Buds Seeds on Seennabis?

Fast Buds excels at autoflowers — and Seennabis puts them in context with the entire cannabis seed market:

• Auto vs photo comparison: See how Guava Auto RF3 compares to photoperiod versions of the same genetics from breeders like Barney's Farm, Dutch Passion, and Sensi Seeds.
• Cross-breeder autoflower matchups: Compare Fast Buds autos against autoflowers from other breeders to find the best speed, yield, and potency balance.
• Deeper grow intelligence: Autoflower-specific cultivation guides with week-by-week timelines, LST techniques, and nutrient schedules tailored to Fast Buds genetics.
• Beyond autoflowers: Access 1,400+ strains including feminized and CBD seeds from 15+ breeders — all in one marketplace.