Seeds
C99 x Blueberry Fast Feminized Seeds
SKU: SMAN-C99BB-FAST-FEM
A fast flowering hybrid strain of C99 with Blueberry
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Flowering Type
Early/fast
Parental lines
Cinderella 99 x Blueberry
THC content
High THC (16-24%)
CBD content
Information not available
Photoperiod flowering time
6 to 8 weeks
Yield indoor
Average Yield (350-450gr/m2)
Plant size
Medium
Suitable climates
Cool, Dry, Humid, Temperate, Warm
Parental lines
Cinderella 99Blueberry
A fast flowering hybrid strain of C99 with Blueberry
This a very successful hybrid of short flowering indica Cinderella 99 with the Original Blueberry.
The result of these two lines cross was the plant that incorporates the best flavors of Thai sativa parent genetics.
It will significantly stretch at flowering. But despite this buds require no manicuring.
Fast Version of Cinderella99 X Blueberry hybrid will provide you with a huge crop of solid, densely covered with trichomes and resin nugs in just 45 days. Outdoors plant will be ready for harvest in mid-September.
Brand/breeder
Parental lines
Cinderella 99 x Blueberry
Variety
Sativa dominant
Flowering type
Early/fast
Sex
Feminised
THC content
High THC (16-24%)
Yield outdoor
Average Yield (200-450gr/plant)
Yield indoor
Average Yield (350-450gr/m2)
Plant size
Medium
Photoperiod flowering time
6 to 8 weeks
Northern hemisphere harvest
September
Southern hemisphere harvest
March
Suitable climates
Cool, Dry, Humid, Temperate, Warm
SKU
SMAN-C99BB-FAST-FEM
Early/Fast outdoor timeline
Fast / Early strains keep the photoperiod growth pattern, but they begin flowering earlier and usually finish sooner — helping outdoor growers harvest before late-season weather becomes a problem.
Stage 1
Germination / Early Start
March – April
Wait for: warmer days, lower frost risk, stable spring weather
Watch for: cold snaps, excess moisture, slow early growth
Stage 2
Seedling / Transplant
May
Wait for: steady light, mild conditions, protected early growth
Watch for: transplant stress, pests, wind exposure
Stage 3
Vegetative Growth
June – July
Wait for: long bright days, healthy expansion, strong structure
Watch for: overcrowding, nutrient issues, insect pressure
Stage 4
Flowering
From late July
Wait for: first signs of bloom, good airflow, settled conditions
Watch for: humidity, mould pressure, poor weather
Stage 5
Harvest
From early September
Wait for: ripe trichomes, dense finished flowers, harvest readiness
Watch for: cutting too early, rain, bud rot
Indoor Early/Fast timeline
Fast / Early strains are most valuable outdoors, where earlier flowering and shorter bloom times help growers harvest before poor autumn weather. Indoors, their main benefit is a faster flowering phase than photoperiod versions.
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 3–6+
Vegetative Growth
Desired plant size and strong structure
Wait for: desired plant size and strong structure
Watch for: overcrowding, uneven growth, training stress
6–10 weeks
Flowering Phase
Strong bud formation and steady flower development
Wait for: strong bud formation and steady flower development
Watch for: humidity issues, poor airflow, plant stress
Harvest
Harvest Window
Finished flowers and mature trichomes
Wait for: finished flowers and mature trichomes
Watch for: harvesting too early or pushing plants too long
Based on 281 reviews
C99 x Blueberry FAST Feminised Seeds - 1
Theses started to grow then just died for no reason. They sent out a replacement and those did not even sprout and I was told that you can only get one replacement so I really just wasted $80. All of the seeds that I purchased and all of the replacements I didn’t get one viableplant.
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C99 x Blueberry FAST Feminised Seeds - 1
Did not germinate.
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C99 x Blueberry FAST Feminised Seeds - 3
Try to germinate. Never would, contacted seedsman at minimum 5 times to try and get customer service. Non existent!
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C99 x Blueberry FAST Feminised Seeds - 10
Not great germinators. about 70%
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C99 x Blueberry FAST Feminised Seeds - 3
These little gals are so cute. Stocky and ready to take on the world once I plant them outside
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C99 x Blueberry FAST Feminised Seeds - 5
Still in veg, things are growing great
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C99 x Blueberry FAST Feminised Seeds - 3
1 of 1 grew very well. Short and fat. Snow white hairs. Haven't tasted yet.
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C99 x Blueberry FAST Feminised Seeds - 3
2 out of 3 germinated - both were stunted at about 2 inches of growth at 10 weeks - I’ve abandoned and started over - disappointing
Reply:
Thanks for your review. We do test seeds from all the batches of seeds that we sell - and only release for sale seeds that test over 95% germination - we are therefore very confident with the quality of the seeds that we sell. We also hold our suppliers to the same high standards. This said these are live products and competencies & environments vary so we try to help customers if they have issues. Please reach out to our customer service team to see what they can do to help, and check on our blog for our recommended germination techniques. Best Seedsman
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C99 x Blueberry FAST Feminised Seeds - 3
Fast Grower
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C99 x Blueberry FAST Feminised Seeds - 3
The seeds sucked
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C99 x Blueberry FAST Feminised Seeds - 5
I love the different kinds of beans that you have a chance of finding the best ones to help with my disability.
Reply:
Thanks so much for taking the time to leave this review. We really appreciate all those that take the time to leave feedback on strains. Its really useful to our customers and us. Please come back and shop again soon or leave us another review. And don't forget to recommend us to any growers looking for high quality seeds quick. Many thanks Seedsman
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C99 x Blueberry FAST Feminised Seeds - 5
Buds were very dense. Nice taste and smell. Plan on growing 3 more this summer.
Reply:
Thanks so much for your review. We really appreciate all those that leave feedback. We're super pleased you like this strain - its been a favourite early strain for a good few years. Best Seedsman
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C99 x Blueberry FAST Feminised Seeds - 3
Was a great grow, no problems and smelled great! Now to cure!!
Reply:
Thanks for taking the time to leave this review. We really appreciate it.
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C99 x Blueberry FAST Feminised Seeds
I usually have a good experience with seedsman. No longer will I trust them 1 out of 3 fems didn’t autoflower in 24 hours of light. Unstable genetics
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