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Strongest seeds

Strongest seeds

Not for the faint of heart, our strong punch strains are the most potent of our lineup, with THC levels reaching close to 29% ...
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Not for the faint of heart, our strong punch strains are the most potent of our lineup, with THC levels reaching close to 29%. For growers with a high tolerance, or those just looking for intense effects, these strains will fit the bill. From heavy body highs to energizing head highs, this list has it all. These strains were chosen specifically for moderate to heavy consumers looking for a real buzz and are not recommended for first time or irregular consumers.
Results: 33
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Last Month Bestsellers
Harvest EU Outdoor
50 – 200 gr/plant
Size
XL
Flowering
10 – 11 weeks
Genes
Sativa 20%/Indica 80%
Genetics
GMO Cut × Chemdog Auto
New
GMO Auto™ award
Autoflowering
10–11 weeks, Indica
$49.00
$16.33 / Seed
Add to Cart
Pack
3 fem
3 fem
$49.00
5 fem
$75.00
10 fem
$130.00
25 fem
$275.00
50 fem
$420.00
100 fem
$590.00
Harvest EU Outdoor
60 – 180 gr/plant
Size
L
Flowering
8 weeks
Genes
Sativa 35%/Indica 65%
Genetics
Mango Runtz F5 Auto x Lemon Cherry Cookies Auto
New
Mango Cherry Runtz Auto™ award
Autoflowering
8 weeks, Indica
$19.00
$19.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$19.00
2 fem
$36.00
3 fem
$49.00
5 fem
$75.00
10 fem
$130.00
25 fem
$275.00
50 fem
$420.00
100 fem
$590.00
Harvest EU Outdoor
60 – 180 gr/plant
Size
L
Flowering
8 weeks
Genes
Sativa 65%/Indica 35%
Genetics
Mango Runtz F5 Auto x Frostbanger Auto
New
Mango Frost Auto™ award
Autoflowering
8 weeks, Sativa
$19.00
$19.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$19.00
2 fem
$36.00
3 fem
$49.00
5 fem
$75.00
10 fem
$130.00
25 fem
$275.00
50 fem
$420.00
100 fem
$590.00
Harvest EU Outdoor
80 – 220 gr/plant
Size
XL
Flowering
9 – 10 weeks
Genes
Hybrid
Genes
Sativa 40%/Indica 60%
Genetics
Frostbanger Auto F4 x Mendo Breath Auto IBL
New
Mendo Frost Auto™ award
Autoflowering
9–10 weeks, Hybrid, Indica
$19.00
$19.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$19.00
2 fem
$36.00
3 fem
$49.00
5 fem
$75.00
10 fem
$130.00
25 fem
$275.00
50 fem
$420.00
100 fem
$590.00
500 fem
$2 270.00
1000 fem
$3 950.00
New
Autoflowering
$32.00
$10.67 / Seed
Add to Cart
Pack
3 fem
Harvest EU Outdoor
50 – 200 gr/plant
Size
XL
Flowering
9 – 10 weeks
Genes
Sativa 35%/Indica 65%
Genetics
Guava Auto RF3 x Banana Jealousy RF3
New
Autoflowering
9–10 weeks, Indica
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
60 – 300 gr/plant
Size
XXL
Flowering
8 – 9 weeks
Genes
Sativa 50%/Indica 50%
Genetics
Guava Auto RF3 x Mango Runtz F5 Auto
New
Autoflowering
8–9 weeks, Hybrid
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
60 – 300 gr/plant
Size
XXL
Flowering
8 – 9 weeks
Genes
Hybrid
Genes
Sativa 50%/Indica 50%
Genetics
Guava Auto RF3 × Sundae Thumper F4
New
Autoflowering
8–9 weeks, Hybrid, Hybrid
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
60 – 220 gr/plant
Size
XL
Flowering
8 – 10 weeks
Genes
Hybrid
Genes
Sativa 45%/Indica 55%
Genetics
F1 Hybrid Feminized Autoflower
New
Autoflowering
8–10 weeks, Hybrid, Indica
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
50 – 300 gr/plant
Size
XL
Flowering
9 – 10 weeks
Genes
Sativa 60%/Indica 40%
Genetics
Purple Lemonade Auto RF3
Autoflowering
9–10 weeks, Sativa
$19.00
$19.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$19.00
2 fem
$36.00
3 fem
$49.00
5 fem
$75.00
10 fem
$130.00
25 fem
$275.00
50 fem
$420.00
100 fem
$590.00
Harvest EU Outdoor
88 – 352 gr/plant
Size
XXL
Flowering
9 weeks
Genes
Sativa 40%/Indica 60%
Genetics
Strawberry Gorilla Auto RF3
Strawberry Gorilla Auto RF3™ award
Autoflowering
9 weeks, Indica
$19.00
$19.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$19.00
2 fem
$36.00
3 fem
$49.00
5 fem
$75.00
10 fem
$130.00
25 fem
$275.00
50 fem
$420.00
100 fem
$590.00
Harvest EU Outdoor
60 – 300 gr/plant
Size
XXL
Flowering
8 – 9 weeks
Genes
Sativa 50%/Indica 50%
Genetics
Guava Auto RF3
Autoflowering
8–9 weeks, Hybrid
$19.00
$19.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$19.00
2 fem
$36.00
3 fem
$49.00
5 fem
$75.00
10 fem
$130.00
25 fem
$275.00
50 fem
$420.00
100 fem
$590.00
Harvest EU Outdoor
60 – 300 gr/plant
Size
XL
Flowering
8 – 9 weeks
Genes
Sativa 65%/Indica 35%
Genetics
RS 11 Cut x Auto Z F5
Z-Up Auto™ award
Autoflowering
8–9 weeks, Sativa
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
60 – 200 gr/plant
Size
XL
Flowering
8 – 9 weeks
Genes
Hybrid
Genes
Sativa 50%/Indica 50%
Genetics
(Gorilla Cookies Auto F5 x Kosher Cake) x Tropicana Cookies Auto F5
New
Guava Auto™ award
Autoflowering
8–9 weeks, Hybrid, Hybrid
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
Harvest EU Outdoor
50 – 250 gr/plant
Size
XL
Flowering
9 – 10 weeks
Genes
Hybrid
Genes
Sativa 55%/Indica 45%
Genetics
(Tropicana Cookies Auto F5 (Dark Pheno) x Bruce Banner Auto) x Strawberry Banana Auto F5
Apple Strudel Auto™ award
Bestseller
9–10 weeks, Hybrid, Sativa
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
50 – 170 gr/plant
Size
XL
Flowering
9 – 10 weeks
Genes
Sativa 20%/Indica 80%
Genetics
Apricot light purple from Compound Genetix x GG4 Auto F6
Apricot Auto award
Autoflowering
9–10 weeks, Indica
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
60 – 200 gr/plant
Size
XL
Flowering
8 weeks
Genes
Mostly indica
Genes
Sativa 25%/Indica 75%
Genetics
Purple Punch Auto F5 x Strawberry Banana Auto F5
Banana Purple Punch Auto award
Bestseller
8 weeks, Mostly indica, Indica
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
50 – 250 gr/plant
Size
XXL
Flowering
9 – 10 weeks
Genes
Hybrid
Genes
Sativa 45%/Indica 55%
Genetics
Strawberry Pie reverse "Cherry Cola" phenotype, isolation line F3
Autoflowering
9–10 weeks, Hybrid, Indica
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
50 – 350 gr/plant
Size
XXL
Flowering
9 weeks
Genes
Mostly indica
Genes
Sativa 30%/Indica 70%
Genetics
GG4 Auto F6 x Z Auto F5
Gorilla Z Auto award
Bestseller
9 weeks, Mostly indica, Indica
$24.00
$2.40 / Seed
Add to Cart
Pack
10 fem
10 fem
$24.00
Harvest EU Outdoor
60 – 200 gr/plant
Size
XL
Flowering
8 weeks
Genes
Hybrid
Genes
Sativa 30%/Indica 70%
Genetics
(Purple Lemonade Auto F6 x Cookies Auto F5) x Cherry Cola Auto (Dark purple pheno)
Lemon Cherry Cookies Auto award
Bestseller
8 weeks, Hybrid, Indica
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
Harvest EU Outdoor
50 – 150 gr/plant
Size
XL
Flowering
8 – 9 weeks
Genes
Hybrid
Genes
Sativa 60%/Indica 40%
Genetics
Papaya from Oni Seeds x Cookies Auto F5
Papaya Cookies Auto™ award
Bestseller
8–9 weeks, Hybrid, Sativa
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
60 – 300 gr/plant
Size
XXL
Flowering
10 weeks
Genes
Hybrid
Genes
Sativa 60%/Indica 40%
Genetics
Strawberry Banana Auto F5 x White Widow Auto F5
Pound Cake Auto™ award
Autoflowering
10 weeks, Hybrid, Sativa
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
60 – 300 gr/plant
Size
XXL
Flowering
10 weeks
Genes
Hybrid
Genes
Sativa 75%/Indica 25%
Genetics
Jealousy from Seed Junky x Sour Diesel Auto F5
Autoflowering
10 weeks, Hybrid, Sativa
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00
Harvest EU Outdoor
60 – 300 gr/plant
Size
XXL
Flowering
10 weeks
Genes
Hybrid
Genes
Sativa 55%/Indica 45%
Genetics
GG4 Auto F6 x Strawberry Pie Auto F5
Strawberry Gorilla Auto award
Bestseller
10 weeks, Hybrid, Sativa
$15.00
$15.00 / Seed
Add to Cart
Pack
1 fem
1 fem
$15.00
2 fem
$29.00
3 fem
$42.00
5 fem
$65.00
10 fem
$120.00
25 fem
$245.00
50 fem
$410.00
100 fem
$599.00
500 fem
$1 799.00
1000 fem
$2 399.00

FAQ

1. What makes a cannabis strain strong?

Strong strains combine high cannabinoid production with rich terpene profiles, resulting in more intense and longer-lasting effects.

2. Are stronger strains always higher in THC?

Not necessarily. While THC plays an important role, terpenes and other cannabinoids also contribute to the overall potency and character of a strain.

3. Who are strong cannabis strains best suited for?

These strains are generally preferred by experienced consumers or those with a higher tolerance looking for more pronounced effects.

4. Can autoflowers be as strong as photoperiod strains?

Yes. Modern autoflower genetics are capable of producing potency comparable to many photoperiod varieties.

5. Do strong strains produce more resin?

Many of the strongest cultivars are also highly resinous, although resin production depends on genetics and growing conditions.

6. Can growing conditions affect potency?

Yes. Light intensity, nutrition, harvest timing, and proper drying and curing all influence the final cannabinoid and terpene content.

7. Do strong strains always produce the same type of effect?

No. Some deliver deeply relaxing body effects, while others are more uplifting and cerebral, depending on their genetic background and terpene profile.

8. What should I consider before choosing a strong strain?

Consider your tolerance, preferred effects, flowering time, and growing environment rather than potency alone.