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Guava Sundae Auto Feminised Seeds-FB-GUSU-AUTO-FEM
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Guava Sundae Auto Feminised Seeds-FB-GUSU-AUTO-FEMGuava Sundae Auto Feminised Seeds-FB-GUSU-AUTO-FEM
Guava Sundae Auto strain by Fast Buds
Seeds

Guava Sundae Auto Feminised Seeds

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SKU: FB-GUSU-AUTO-FEM
Fast Buds' Guava Sundae Auto is a high-performance, flavor-rich hybrid strain.
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Flowering Type

Autoflowering

Parental lines

Guava Auto RF3 x Sundae Thumper F4

THC content

Very High THC (25%+)

CBD content
Information not available

Autoflowering seed to harvest time

8 to 10 weeks

Yield indoor

High Yield (450-600gr/m2)

Plant size
Information not available

Suitable climates

Dry, Temperate, Warm

From the breeder
Fast Buds' Guava Sundae Auto is a high-performance, flavor-rich hybrid strain.
Fast Buds breeder notes
Aroma
CitrusFruitySweet
Effect description
CreativeRelaxing
Parental lines
Guava Auto RF3Sundae Thumper F4
Fast Buds' Guava Sundae Auto is a high-performance, flavor-rich hybrid strain.

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.

Brand/breeder
Fast Buds
Parental lines
Guava Auto RF3 x Sundae Thumper F4
Variety
Indica / Sativa hybrid
Flowering type
Autoflowering
Sex
Feminised
THC content
Very High THC (25%+)
Yield outdoor
Average Yield (200-450gr/plant)
Yield indoor
High Yield (450-600gr/m2)
Autoflowering seed to harvest time
8 to 10 weeks
Suitable climates
Dry, Temperate, Warm
Aroma
Citrus, Fruity, Sweet
SKU
FB-GUSU-AUTO-FEM

Autoflowering outdoor timeline

Autos can be sown in multiple waves through the season for staggered harvests.

Stage 1
Germination
April – July
Wait for: warmer days, no frost, stable temperatures
Watch for: cold nights, overwatering, weak early light
Stage 2
Seedling / Transplant
1–2 weeks after sprouting
Wait for: strong light, mild weather, protected start
Watch for: slug damage, stretching, transplant stress
Stage 3
Vegetative Growth
Weeks 2–5
Wait for: long bright days, healthy root growth
Watch for: stunting, nutrient burn, pest pressure
Stage 4
Flowering
Weeks 5–8+ depending on cultivar
Wait for: steady sunshine, decent airflow, dry spells
Watch for: mould, heavy rain, snapped branches
Stage 5
Harvest
Weeks 8+ or summer to early autumn
Wait for: mature trichomes, swollen buds, finished aroma
Watch for: bad weather, bud rot, harvesting too early
Autos can be sown in multiple waves through the season for staggered harvests.

Indoor autoflowering timeline

Autoflowers follow their own internal clock, making indoor timelines easier to plan from seed to harvest.

Week 0
Germination
Healthy seedling emergence
Wait for: healthy seedling emergence
Watch for: overwatering, weak starts
Week 1–2
Seedling
Steady early growth
Wait for: steady early growth
Watch for: stretching, stress, excess moisture
Week 2–5
Early Growth
Strong leaf and root development
Wait for: strong leaf and root development
Watch for: stunting, overcrowding, early stress
Week 5–9+
Flowering
Bud development and visible maturity
Wait for: bud development and visible maturity
Watch for: humidity issues, poor airflow, plant stress
Week 8–12+
Harvest Window
Finished flowers and mature trichomes
Wait for: finished flowers and mature trichomes
Watch for: harvesting too early
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Seeds

Guava Sundae Auto Feminised Seeds

R1237.50
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