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Guava Sundae Auto from Fast Buds is part of the new Champions Line, a performance-driven series built by combining award-winning autoflower genetics into next-generation hybrids. This F1 feminized auto pairs Guava Auto RF3 - winner of the Autoflower World Cup - with Sundae Thumper F4 (Gelato #45 x Forum Stomper) from Mephisto Genetics, awarded Best Autoflower Hybrid at the American Autoflower Cup 2025. The result is a flavor-first, high-performance auto designed to deliver elite terpene expression, strong structure, and reliable results.
The terpene profile is rich and layered, blending tropical guava intensity with creamy gelato sweetness, creating a smooth, dessert-forward flavour with fruity depth. This combination delivers a modern US-style profile that’s both loud and refined, making it ideal for connoisseurs and extract-focused growers. Expect a balanced effect that leans uplifting and satisfying, matching the strain’s flavour-driven appeal.
In cultivation, Guava Sundae Auto shows strong F1 hybrid vigor, producing medium-sized, bushy plants with sturdy lateral branching and excellent structure. It responds well to light training and leaf tucking, encouraging multiple dense colas and strong yield potential relative to its size. With its champion lineage, standout terpene profile, and reliable growth performance, Guava Sundae Auto is a next-gen autoflower built for growers chasing flavour, quality, and proven genetics in one package.
Autos can be sown in multiple waves through the season for staggered harvests.
Autoflowers follow their own internal clock, making indoor timelines easier to plan from seed to harvest.
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In theory most strains can be grown outdoors, indoors or in a greenhouse but how well they perform depends on the more exact environmental conditions. This is most important outdoors where climatic conditions can vary widely, so please check the strain information carefully. If your climate is more extreme or growing season shorter you should choose strain that is specifically adapted. Indoor and greenhouse environments can be controlled and made suitable for most strains although space can be a factor for strain that grow very large.
Growing difficulty varies depending on a strain's resilience, structure and environmental needs. Some strains are more forgiving and better suited to beginners and a range of environmental conditions, while others may require closer control of factors such as light, humidity, temperature and feeding.
Our product information and that provided by suppliers can be an indication of potential levels under optimal conditions, and it should not be assumed that results can be replicated in all conditions.
Strains described as beginner-friendly, easy to grow or resilient, in particular Autoflowering Feminised strains, are generally more manageable for less experienced growers. These varieties are often a more reliable starting point than more specialised genetics.
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