Most Potent Weed Strains

Potency is a crucial aspect for many cannabis users, with some strains engineered to achieve remarkable THC levels surpassing 35%. Such high concentrations result in exceptionally powerful strains that provide the intense effects favored by seasoned users.

In our examination of the most potent cannabis strains, we've curated a diverse selection that highlights the finest offerings in this realm. Each strain presents a distinct experience, differing in flavor, aroma, and effects, catering to various preferences, whether one desires relaxation or a boost of creativity.

As the cannabis industry progresses, breeders are continually redefining potency limits, crafting strains that not only deliver powerful effects but also preserve appealing flavor profiles. Explore the most potent cannabis strains and elevate your cannabis experience to unprecedented levels.

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  • Yield per m2 indoors: 500-600 grams clear
  • Height Indoors: 120-150cm "Medium" clear
Super Lemon Haze by Just Feminised Cannabis Seeds For Sale at Just Feminized
Just Feminized
Just Feminized - Super Lemon Haze Feminized Seeds
£3.30
(tax excl.)
 Despatch Time 24 Hours (fast delivery)  If unavailable get FREE seeds & item refund Super Lemon Haze Fem by Just Feminized is a Lemon Skunk x Super Silver Haze Marijuana Strain. Its Heritage comes from 75% Sativa Dominant and has a 10-11 Weeks Flowering Time. Yields per m2 indoor are around 600 grams with a height of 110-160cm, THC Content at 23-27% and Low CBD under 0.5%
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Sour Cookies Gum by Just Feminised Cannabis Seeds For Sale at Just Feminized
Just Feminized
Just Feminized - Sour Cookies Gum Feminized Seeds
£3.30
(tax excl.)
 Despatch Time 24 Hours (fast delivery)  If unavailable get FREE seeds & item refund Sour Cookies Gum Fem by Just Feminized is a Sour Diesel, Bubblegum and Girl Scout Cookies Marijuana Strain. Its Heritage comes from 45% Indica 55% Sativa and has a 9 Weeks Flowering Time. Yields per m2 indoor are around 500-600 grams with a height of 100-140cm, THC Content at 22-28% and Low CBD under 0.5%
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Bruce the Russian by Cream of the Crop Cannabis Seeds For Sale at Just Feminized
Cream of the Crop
Cream of the Crop - Bruce the Russian Feminized
£6.03
(tax excl.)
 Despatch Time 24-48 Hours (fast delivery)  If unavailable get FREE seeds & item refund Bruce the Russian Fem by Cream of the Crop is a White Russian AK47 x WW x Bruce Banner Strawberry Diesel x OG Kush Cannabis Strain. Its Heritage comes from 60% Indica 40% Sativa and has a 9 Weeks Flowering Time. Yields per m2 indoor are around 500-600 grams with a height of 100-150cm THC Content at 25-30% and Low CBD under 0.5%
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Gwiz by Captains Connection Cannabis Seeds For Sale at Just Feminized
Captains Connection
Captains Connection - Gwiz Regular Seeds
£82.20
(tax excl.)
 Despatch Time 2-4 Days (special order item)  If unavailable get FREE seeds & item refund Gwiz Reg by Captains Connection is a GMO Cookies x Blissful Wizard Cannabis Strain. Its Heritage comes from 60% Indica 40% Sativa and has a 8-9 Weeks Flowering Time. Yields per m2 indoor are around 500-600 grams with a height of 90-140cm THC Content at 25-30% and Low CBD under 0.5%
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Siberian Haze by Kalashnikov Seeds Cannabis Seeds For Sale at Just Feminized
Kalashnikov Seeds
Kalashnikov Seeds - Siberian Haze Feminized
£46.40
(tax excl.)
 Despatch Time 24-48 Hours (fast delivery)  If unavailable get FREE seeds & item refund Siberian Haze Feminized by Kalashnikov Seeds is a AK47 x Nevilles Haze x Super Silver Haze Cannabis Strain. Its Heritage comes from Pure Sativa Dominant and has a 10-11 Weeks Flowering Time. Yields per m2 indoor are around 500-600 grams with a height of 100-130cm THC Content at under 0.25% and Low CBD under 0.5%
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