Guava meets Runtz in a modern autoflower with up to 30% THC
Guava Runtz Auto™ by Fast Buds is part of the prestigious Champions Line, combining two award-winning autoflower cultivars: Guava Auto RF3 and Mango Runtz F5 Auto. This elite F1 hybrid merges the tropical freshness and vigor of Guava with the sweet candy-forward profile and structure of Mango Runtz, creating a modern autoflower capable of delivering up to 30% THC and outstanding terpene expression.
We always recommend using Eazy Plug for germination.
Guava Runtz Auto™ Profile
⚖️ Genetics: Guava Auto RF3 x Mango Runtz F5 Auto
🌱 Type: Autoflowering
🧬 Indica / Sativa: 50% Indica / 50% Sativa
⏳ Flowering Time: 8–9 weeks
🌾 Indoor Yield: 450–600 g/m²
🌿 Outdoor Yield: 60–300 g/plant
📏 Height: 70–120 cm
🌡️ Ideal Climate: Indoor, Outdoor, Greenhouse, Mixed Light
🍭 Flavor: Guava, tropical fruit, candy, sweet
🍬 Aroma: Exotic fruit, mango, guava, candy
🔥 THC: Up to 30%
🎭 Effect: Euphoric, creative, balanced, long-lasting
Structure & Growth
Guava Runtz Auto demonstrates exceptional hybrid vigor from the earliest stages of growth. Plants develop a strong structure with excellent branching and uniform flower production throughout the canopy.
The variety typically expresses two main phenotypes. One develops stunning dark purple to nearly black coloration, while the other remains mostly green before showing darker tones toward the end of flowering. Both phenotypes offer outstanding consistency and performance.
Yield & Resin Production
Designed for growers seeking cutting-edge autoflower performance, Guava Runtz Auto produces dense, resin-rich flowers with exceptional visual appeal and trichome coverage.
Indoor yields can reach up to 600 g/m², while outdoor plants are capable of producing up to 300 g per plant. The abundant resin production also makes this cultivar highly attractive for extraction enthusiasts.
Aroma & Flavor Experience
The terpene profile is one of the highlights of this variety. Intense aromas of ripe guava, tropical mango and sweet candy immediately fill the room.
On the palate, layers of exotic fruit and sugary sweetness create a modern flavor experience inspired by some of the most sought-after American genetics. The rich terpene profile remains noticeable long after each session.
Effects & Experience
With THC levels reaching 30%, Guava Runtz Auto delivers a powerful yet balanced hybrid effect. The experience begins with uplifting euphoria, enhanced creativity and positive energy.
As the high develops, a pleasant body relaxation gradually emerges while maintaining mental clarity and focus. This versatility makes it suitable for creative activities, social occasions and relaxing evenings alike.
Guava Runtz Auto™ represents the next generation of elite autoflower breeding, combining award-winning genetics, exceptional terpene complexity and outstanding overall performance.

