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"Genetics plays the most important role when growing cannabis".

Jorge Cervantes

Author of

The Cannabis Encyclopedia

The Indoor/Outdoor Growers Bible

Reviews

By Growers for Growers

Our Story

We have been Underground Growers on the West Coast for over 15 years.

Laws and regulations have recently changed allowing us to come out of the shadows with many states now allowing both medicinal patients as well as regular consumers to grow cannabis plants within their own home (generally between 4 and 6 plants total).

What we find interesting are all the seedbank review websites that put in their 2 cents on what they feel are the “Top Ten Recommended” Seed Banks that sell seeds. We tried but stopped counting at over 50.

You May Be Asking Yourself, “Aren’t You Just Another One Of Those Websites”?

WORLDS BEST FEMINIZED CANNABIS STRAINS

What are feminized cannabis seeds?

Before feminized cannabis seeds were invented, the only option for home growers was to use regular cannabis seeds with them approximately producing 50% male and 50% female plants. In order to grow potent SENSIMILLA (Spanish for without seeds), the male plants had to be identified and thrown away to prevent them pollinating the females which would fill the plants with seeds and reducing THC levels.

In the 1990s DUTCH PASSION developed and introduced feminized seeds and with it created one of those few discoveries that have genuinely changed the way millions of people grow their own cannabis.

The introduction of feminized seeds means that only half as many cannabis plants need to be grown and allows the grow-room to be smaller, use less energy and be more efficient.

WORLDS HIGHEST YIELDING CANNABIS STRAINS

Yield. The quest for a high yielding grow has resulted in numerous grow methods to achieve this goal. Screen Of Green (SCROG), Seo of Green (SOG), Training, Topping, Trellis Netting and numerous other methods have developed to help the grower achieve higher yields (especially in smaller spaces), but beginning with a strain predisposed to generating higher yields is always your best starting point.

Many growers that started back in the mid 1980s heavily relied on identifying the largest plants and experimented by cross breeding them with other strains to develop one of the first Very High Yielding Strains….Big Bud. It began its life in the U.S. from Sensi Seeds Growers as a hybrid of Afghani, Skunk and possibly Northern Lights strains and made its way to the Netherlands in the 1980s.

Big Bud definitely produced great harvests but lacked the levels of THC that other strains produced, sacrificing quantity for quality.

That’s not the case today. After years of cross breeding and experimentation seed breeders are able to offer strains that allow growers to achieve grows that can offer strains that can achieve QUANTITY and QUALITY.

15 WORLD'S STRONGEST CANNABIS STRAINS

For growers choosing a seed strain that is Genetically predisposed to produce HIGH amounts of THC is an excellent starting point.

What is important to understand is that just because a seed breeder proclaims that a particular seed strain can produce 30% THC levels (or will yield 650 grams per meter squared) doesn’t mean that everyone will achieve that. Factors such as growing conditions, the growers experience and many other elements come into play.

BUT……starting with a seed strain that has shown it can produce high levels of THC is an excellent choice because with a little practice and some knowledge you may come close if not hit that mark.

As a grower you are better off with seed strains that produce HIGH levels of THC and fall a little short then star ting off with a seed strain rated at 20% and falling a little short.

BEST FAST FLOWERING CANNABIS STRAINS

Fast Flowering strains, also known as Quick Flowering or Early Version strains have been developed by cross breeding Autoflower and Feminized Plants. They are not actually autoflowering but they carry the autoflowering gene.

They are feminized plants that will be ready for harvest in a short period of time, which allows for more indoor grows that provide higher yields than Autoflowers as well as having THC levels that rival normal Feminized seeds.

Fast flowering strains grow faster during both the Vegetative stage and the Flowering stage with some breeders reporting that these strains being ready to flower as soon as 4 to 6 weeks in VEG and ready to harvest in another 4 to 6 weeks.

PLEASE NOTE. Fast Flowering strains are Fast Flowering Strains. They are the F1 Hybrids that are feminized strains cross bred and have an Autoflower gene. These are the NEWEST strains on the market and NOT EVERY SEED BREEDER HAS THEM.

We have SEEN many seed banks advertising FAST FLOWERING STRAINS only to see they are promoting AUTOFLOWER SEEDS (yes autoflowers are fast but they are NOT fast flowering strains).

We have seen other seed sellers promoting “FAST FLOWERING STRAINS” only to see they are only promoting Feminized Seeds that flower “FAST”. These as well ARE NOT FAST FLOWERING STRAINS.

ONLY SEED SELLERS THAT HAVE THE F1 HYBRIDS, THOSE STRAINS THAT ARE FEMINIZED CROSS BRED WITH AUTOFLOWERS TRULY HAVE FAST FLOWER STRAINS. (Please see our list to be sure).

WORLD'S BEST AUTOFLOWERING CANNABIS STRAINS

Unlike photoperiod-dependent plants, Autoflowering cannabis is a cannabis plant that reaches the flowering stage after vegetative growth on its own, regardless of the amount of light it receives. Growers don’t need to worry about switching the light schedule to initiate and maintain the flowering phase, like they would if growing feminized photoperiod cannabis.

Autoflowers also need much less time to grow. Some varieties are ready to harvest in a short 8 weeks after sprouting. Plus, autoflowers are compact, which makes them great for indoor growing.

• Most plants are ready for harvest in 10 weeks or less
• They have a quick lifecycle, so they will produce buds and flowers in a shorter span of time and can harvest several crops per season.
• Autoflowering seeds are also feminized. No need to worry about male plants.
• Plants stay small (15 to 45 inches). Great for grow tents and stealth grows.
• You can stick to a fixed light schedule (18 hours of light and 6 hours of dark)
from seed to harvest.

BEST SEED BANKS THAT SHIP TO THE USA

1. ILGM (I Love Growing Marijuana)

Modesto California, USA

Onlineweedseeds.com Evaluation –EXCELLENT 9.7/10

2. WEEDSEEDSEXPRESS

San Diego, California, USA

OnlineWeedSeeds.com Evaluation – EXCELLENT 9.6/10

3. HOMEGROWN CANNABIS CO.

Oakland, California, USA

Onlineweedseeds.com evaluation – EXCELLENT 9.2/10
Homegrown Cannabis Co's Bruce Banner Seeds

5. SUN WEST GENETICS

Westland, Michigan, USA

OnlineWeedSeeds.com Evaluation – EXCELLENT 9.1/10
Sun West Genetics - Change is Here 300x250

6. NIRVANA SHOP

Netherlands

Onlineweedseeds.com Evaluation – EXCELLENT 9.1/10

Nirvana Shop is the prime example of the famous quote

7. MSNL 9.0/10 EXCELLENT

Westland, Michigan, USA

OnlineWeedSeeds.com Evaluation – EXCELLENT 9.0/10

8. AMSTERDAM MARIJUANA SEEDS

Amsterdam, Netherlands

OnlineWeedSeed.com Evaluation – EXCELLENT 9/10

9. THE VAULT CANNABIS SEED STORE

Edinburgh, Scotland

OnlineWeedSeeds.com Evaluation – EXCELLENT 9/10
Cannabis Seeds

10. QUEBEC CANNABIS SEEDS

Quebec, Canada 

Onlineweedseeds.com Evaluation – VERY GOOD 8.9/10

11. COFFEE SHOP SEEDS

United Kingdom 

OnlineWeedSeeds.com evaluation –Very Good 8.9/10

12. COASTAL MARY SEEDS

Vancouver BC, Canada

Onlineweedseeds.COM evaluation – VERY GOOD 8.6/10

16. HERBIE SEEDS

Alicante, Spain

Onlineweedseeds.com Evaluation – VERY GOOD 8.3/10

18. SEED SUPREME SEED BANK

San Diego, CA Based in The United Kingdom

Onlineweedseeds.com evaluation – VERY GOOD 8.0/10
SeedSupreme Seedbank Banner

19. SEED CITY

Sheffield, United Kingdom

Onlineweedseeds.com Evaluation – 8/10 VERY GOOD

20. BEAVER SEEDS

San Diego, CA, USA

Onlineweedseeds.COM evaluation – GOOD 8.0/10
Beaver Seed - 20 Premium Strains 300x250

22. ORIGINAL SEED STORE

Almeria, Spain
Founded in 1992

Onlineweedseeds.com Evaluation – GOOD 7.2/10
Buy Cannabis Seeds

25. SEEDSMAN SEEDS

Barcelona, Spain

Onlineweedseeds.com Evaluation – POOR 5.3/10

26. TRUE NORTH SEED BANK

Ontario, Canada

OnlineWeedSeeds.com Evaluation – POOR 0/10

27. PACIFIC SEED BANK

Santa Rosa, CA, USA

OnlineWeedSeed.com Rating – POOR 0/10

28. UPPER CANADA SEED BANK

Canada

OnlineWeedSeeds.com Evaluation – POOR 0/10

29. FARMERS LAB SEEDS

San Diego, CA, USA

Onlineweedseeds.COM evaluation – POOR 0.0

30. Dutch Seeds Shop 0/10 Poor

Bulgaria

Onlineweedseeds.COM evaluation – POOR 0.0

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