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S1 Cannabis Seeds

S1 feminized cannabis seeds are an excellent choice for breeders, cultivators, and collectors alike. These seeds allow growers to preserve rare, clone-only strains and discover new phenotypes of their favorite cultivars.

The term “S1” means “first selfed generation.” Selfing is the process of crossing a plant to itself to make feminized seeds. This can be accomplished by using an ethylene-blocking spray such as colloidal silver to cause the mother plant to form pollen sacs. The pollen is then used to pollinate either the original mother plant or a clone of it.

When done correctly, selfing produces 100 percent feminized cannabis seeds with the same genotype as the mother plant. This allows growers to discover plants that are nearly identical to the original clone. It also serves to open the gene pool, producing rare phenotypes with recessive traits. When growing S1 seeds, you may even find some phenotypes that are better than the original mother.

For breeders, selfing is a quick, easy, and effective way to stabilize a strain. Rather than selectively breeding males and females for many generations, they can create a homozygous strain in just a few generations of selfing.

At Greenpoint Seeds, we offer a variety of S1 cannabis seeds bred from elite, clone-only cultivars such as Animal Cookies, Purple Punch, and Gorilla Glue #4. Shop our feminized S1 seeds today.

Customer Reviews

Chris Navarre says:

5

Good shit

2024-03-19 04:02:42 March 19, 2024

Austin Young says:

1

Ice cream cake s1 hermed 4 weeks into flower, ground zero and straight jacket hermed week 10. Pollen chucked seeds that havent been stabilized, horrible product you are trying to sell. Sad cash grab company.

2024-03-19 00:31:08 March 19, 2024

Merlyn Elliott says:

5

good

2024-03-18 14:40:25 March 18, 2024

Marc Jack says:

5

My goto seed bank!

2024-03-18 05:30:41 March 18, 2024

Anonymous says:

5

Good service

2024-03-18 01:59:11 March 18, 2024

Darby Vowels says:

5

Turned out beautifully

2024-03-18 00:23:50 March 18, 2024

Anonymous says:

5

GPS has never disappointed! Awesome genetics!

2024-03-17 21:32:25 March 17, 2024

Anonymous says:

5

Always satisfied. Germination rate Is top-notch and the quality of the seeds are amazing great product will continue to come back for more?

2024-03-16 20:56:46 March 16, 2024

Anonymous says:

5

Great as always

2024-03-16 15:05:10 March 16, 2024

Cesar D. says:

5

No other competition comes close

2024-03-16 10:23:22 March 16, 2024

philmin says:

5

very full plants with lots of buds !!

2024-03-15 15:56:37 March 15, 2024

Anonymous says:

5

Good genetics

2024-03-15 13:51:43 March 15, 2024

Geneva B. says:

5

Great!

2024-03-15 13:29:35 March 15, 2024

Amy says:

5

good seeds

2024-03-14 12:37:20 March 14, 2024

Chris Navarre says:

5

Fastest shipping

2024-03-14 03:15:01 March 14, 2024