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Guava Auto Feminised Seeds
Guava Auto Feminised Seeds
Seeds

Guava Auto Feminised Seeds

Average rating:  2.4   (votes: 7) Reviews (7)
SKU: FB-GUA-AUTO-FEM

50/50 indica/sativa auto hybrid, easy to grow, big yields, very high THC.

Two legendary names. One exclusive strain.
Introducing Northern Lights 99

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Testimonial 
Author:  Martin Crack Rating: 5.0 out of 5 stars
Date:  13.05.2025
Text:  Doing well so far. Not as good germination rate as previous varieties from you

Flowering Type

Autoflowering

Parental lines

Guava Auto

THC content

Very High THC (25%+)

CBD content

Low CBD (0-1%)

Autoflowering seed to harvest time

8 to 10 weeks

Yield indoor

High Yield (450-600gr/m2)

Plant size

Medium

Suitable climates

Dry, Humid, Temperate, Warm

From the breeder

50/50 indica/sativa auto hybrid, easy to grow, big yields, very high THC.

Fast Buds breeder notes
Aroma
Fruity
Parental lines
Guava Auto

50/50 indica/sativa auto hybrid, easy to grow, big yields, very high THC.

Up to 28% THC! Highly potent strain.

Super yields, super fast. Up to 550 gr/m2 in 8-9 weeks!

Perfect for extractors. Ideal resin quality and flavor for hash-makers.

Versatile growth. Extremely resistant to mould and pests, ideal for outdoors.

Thrives with basic maintenance. Minimal care yields maximum reward. 

Brand/breeder
Fast Buds
Parental lines
Guava Auto
Type
Indica / Sativa hybrid
Colour
Light Green, Orange, Pink
Flowering type
Autoflowering
Sex
Feminised
THC potential
Very High THC (25%+)
CBD potential
Low CBD (0-1%)
Yield potential outdoor
Modest Yield (up to 200gr/plant)
Yield potential indoor
High Yield (450-600gr/m2)
Plant size
Medium
Seed to harvest time (autoflowering)
8 to 10 weeks
Suitable climate
Dry, Humid, Temperate, Warm
Aroma
Fruity
SKU
FB-GUA-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
2.4
Rating 2.4 out of 5 stars
Based on 7 ratings and 7 reviews
As described
No
Partly
Yes
No, 2.2 out of 5, No – Yes
Based on 5 votes
Expected Yield
Below
Expected
Above
Below, 1.5 out of 5, Below – Above
Based on 4 votes
Recommend to others
No
Neutral
Yes
No, 2 out of 5, No – Yes
Based on 4 votes
Filter
We found matching review(s) Clear filters
Review author:  Bubba Kline    Review date:  17.06.2026
Review rating: 1.0 out of 5 stars
Verified
 buyer
Purchase date: 
Review text: 
4 of the 5 did not germinate. When asked if it was the yield I expected you will only let me reply yes in this review. WHY?
Review author:  Anonymous    Review date:  07.02.2026
Review rating: 2.0 out of 5 stars
Verified
 buyer
Purchase date: 
Review text: 
Dud and very small seed. Fisrt and last time trying fastbuds at that price point. Thought at that price a second seed could be provided as backup. Issue with 42FB. Seedsman is great and would try other brands. Great company. 42 fastbuds website
Review author:  Anonymous    Review date:  07.02.2026
Review rating: 2.0 out of 5 stars
Flavour: Poor Found Strain: Seedsman Website
Verified
 buyer
Purchase date: 
Review text: 
Dud and very small seed. Fisrt and last time trying fastbuds at that price point. Thought at that price a second seed could be provided as backup. Issue with 42FB. Seedsman is great and would try other brands. Great company.
As described: NoExpected Yield: BelowRecommend to others: No
Review author:  Jeffrey Pelkey    Review date:  12.09.2025
Review rating: 1.0 out of 5 stars
Verified
 buyer
Purchase date: 
Review text: 
Didn't grow at all and see man told me to bad nothing they would do for me
As described: NoExpected Yield: ExpectedRecommend to others: No
Review author:  Martin Crack    Review date:  13.05.2025
Review rating: 5.0 out of 5 stars
Flavour: Average Found Strain: Online Browsing
Verified
 buyer
Purchase date: 
Review text: 
Doing well so far. Not as good germination rate as previous varieties from you
As described: PartlyExpected Yield: BelowRecommend to others: Yes
Please note that some customers choose to leave a rating without writing a review, and because of this the number of ratings will differ from the number of reviews.
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Seeds

Guava Auto Feminised Seeds

R1237.50
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