The ambient temperature during the cannabis growth process is one of the main variables that affect the successful development of the plant. Different types of marijuana have their own temperature preferences for ease of growth. Generally speaking, if you’re keeping your day temperatures at 22-28C (71-82F), your cannabis will thrive. Unfortunately, not everyone can provide their plants with such a mild climate.

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Northern Lights 10 of 10 Feminized Seeds (Seedkeepers) Seedkeepers
1-yr Guarantee New Extra Seeds
Northern Lights 10 of 10 (Seedkeepers)
4.7 (13)
30 - 35% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£9.45 £23.4 37.79 Save 14.39 £35.36 66.13 Save 30.77 £73.23 132.26 Save 59.03
Keepers OG Autoflower Feminized Seeds (Seedkeepers) Seedkeepers
1-yr Guarantee New Extra Seeds
Keepers OG Autoflower (Seedkeepers)
4.9 (10)
28 - 33% THC
  • Feminized
  • Autoflowering
Pack (number of seeds)
£8.32 £26.61 33.28 Save 6.67 £41.25 58.24 Save 16.99 £71.07 116.48 Save 45.41
Apple Betty feminized seeds
1-yr Guarantee Top
Apple Betty (Herbies Seeds)
4.9 (63)
28 - 33% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£8.67 £23.4 26 Save 2.6 £36.83 43.33 Save 6.5 £56.33 86.67 Save 30.34
Blackberry Moonrocks Feminized Seeds (AlphaFem Seeds)
1-yr Guarantee Top
Blackberry Moonrocks (AlphaFem Seeds)
4.8 (80)
32% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£12.45 £28.37 37.34 Save 8.97 £76.24 124.46 Save 48.22
Bruce Banner # Feminized Seeds (AlphaFem Seeds)
1-yr Guarantee Top
Bruce Banner # (AlphaFem Seeds)
4.9 (65)
30% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£10.88 £25.61 32.63 Save 7.02 £70.16 108.77 Save 38.61
Dozy Doz Feminized Seeds (AlphaFem Seeds)
1-yr Guarantee Top Extra Seeds
Dozy Doz (AlphaFem Seeds)
4.9 (50)
30% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£9.84 £23.63 29.53 Save 5.9 £65.63 98.43 Save 32.8
Runtz Punch Feminized Seeds (Herbies Seeds)
1-yr Guarantee Top
Runtz Punch (Herbies Seeds)
4.9 (59)
29% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£10.4 £28.08 31.2 Save 3.12 £44.2 52 Save 7.8 £67.6 104 Save 36.4
Florida Sunrise Autoflower Feminized Seeds (Seedkeepers) Seedkeepers
1-yr Guarantee New Extra Seeds
Florida Sunrise Autoflower (Seedkeepers)
5 (1)
28 - 30% THC
  • Feminized
  • Autoflowering
Pack (number of seeds)
£10.27 £24.94 41.08 Save 16.14 £42.55 71.89 Save 29.34 £77.02 143.78 Save 66.76
Godzilla Original Glue GG#4 Feminized Seeds (Herbies Seeds)
1-yr Guarantee Great yields
Godzilla Original Glue GG#4 (Herbies Seeds)
4.9 (35)
29% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£8.66 £23.39 25.99 Save 2.6 £36.82 43.32 Save 6.5 £56.32 86.64 Save 30.32
Sticky Sherbert GG Feminized Seeds (Seedkeepers) Seedkeepers
1-yr Guarantee New Extra Seeds
Sticky Sherbert GG (Seedkeepers)
4.9 (7)
26 - 30% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£9.45 £23.4 37.79 Save 14.39 £35.36 66.13 Save 30.77 £73.23 132.26 Save 59.03
Grand Daddy Purple Fast Version Feminized Seeds (EGS)
1-yr Guarantee 1+1=3
Grand Daddy Purple Fast Version (EGS)
4.9 (28)
28% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£8.67 £21.67 26 Save 4.33 £37.18 43.33 Save 6.15 £65 86.67 Save 21.67
Runtz Autoflower Feminized Seeds (EGS)
1-yr Guarantee 1+1=3
Runtz Autoflower (EGS)
4.9 (32)
28% THC
  • Feminized
  • Autoflowering
Pack (number of seeds)
£8.67 £21.67 26 Save 4.33 £37.18 43.33 Save 6.15 £65 86.67 Save 21.67
Apple Betty Auto Feminized Seeds (Herbies Seeds)
1-yr Guarantee Top
Apple Betty Auto (Herbies Seeds)
4.8 (47)
27 - 29% THC
  • Feminized
  • Autoflowering
Pack (number of seeds)
£8.12 £24 24.36 Save 0.36 £38.56 40.59 Save 2.03 £57.71 81.19 Save 23.48
Godzilla Cookies Auto Feminized Seeds (Herbies Seeds)
1-yr Guarantee Top Extra Seeds
Godzilla Cookies Auto (Herbies Seeds)
4.9 (52)
27% THC
  • Feminized
  • Autoflowering
Pack (number of seeds)
£8.12 £24.01 32.48 Save 8.47 £38.57 56.85 Save 18.28 £57.72 113.69 Save 55.97
Golden Tiger strain Ace Seeds
Golden Tiger (Ace Seeds)
5 (6)
25 - 30% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£14.3 £38.13 42.9 Save 4.77 £61.97 71.5 Save 9.53
Biscotti Mintz Feminized Seeds (Barney's Farm) Barney's Farm Seeds
Biscotti Mintz (Barney's Farm)
5 (39)
25 - 30% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£46.04 £79.82 92.08 Save 12.26
Super Sangria Skunk Autoflower Feminized Seeds (Seedkeepers) Seedkeepers
1-yr Guarantee New Extra Seeds
Super Sangria Skunk Autoflower (Seedkeepers)
0 (0)
26 - 28% THC
  • Feminized
  • Autoflowering
Pack (number of seeds)
£10.27 £22.01 41.08 Save 19.07 £36.68 71.89 Save 35.21 £77.02 143.78 Save 66.76
Quarter Pounder Autoflower Feminized Seeds (EGS)
1-yr Guarantee 1+1=3
Quarter Pounder Autoflower (EGS)
4.8 (29)
27% THC
  • Feminized
  • Autoflowering
1-yr Guarantee 1+1=3
Pack (number of seeds)
£8.66 £21.65 25.98 Save 4.33 £37.15 43.3 Save 6.15 £64.95 86.6 Save 21.65
Gummy Skunk Fast Version Feminized Seeds (EGS)
1-yr Guarantee 1+1=3
Gummy Skunk Fast Version (EGS)
4.9 (27)
27% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£8.67 £21.67 26 Save 4.33 £37.18 43.33 Save 6.15 £65 86.67 Save 21.67
I'm Alive Feminized Seeds (AlphaFem Seeds)
1-yr Guarantee Extra Seeds
I'm Alive (AlphaFem Seeds)
5 (12)
27% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£10.24 £24.42 30.73 Save 6.31 £67.47 102.44 Save 34.97
OG Kush Fast Version Feminized Seeds (EGS)
1-yr Guarantee 1+1=3
OG Kush Fast Version (EGS)
4.9 (27)
27% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£8.67 £21.67 26 Save 4.33 £37.18 43.33 Save 6.15 £65 86.67 Save 21.67
Godzilla Original Glue GG#4 Auto Feminized Seeds (Herbies Seeds)
1-yr Guarantee
Godzilla Original Glue GG#4 Auto (Herbies Seeds)
4.9 (19)
27% THC
  • Feminized
  • Autoflowering
1-yr Guarantee
Pack (number of seeds)
£8.11 £23.99 24.34 Save 0.35 £38.54 40.57 Save 2.03 £57.68 81.15 Save 23.47
Mimosa Shot Feminized Seeds (Herbies Seeds)
1-yr Guarantee Top Extra Seeds
Mimosa Shot (Herbies Seeds)
5 (42)
24 - 30% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£10.4 £30.89 41.6 Save 10.71 £48.62 72.8 Save 24.18 £74.36 145.6 Save 71.24
Bruce Banner #3 Feminized Seeds (Herbies Seeds)
1-yr Guarantee Great yields
Bruce Banner #3 (Herbies Seeds)
5 (41)
25 - 30% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£8.67 £23.4 26 Save 2.6 £36.83 43.33 Save 6.5 £56.33 86.67 Save 30.34
Keep Frosted Guava Autoflower Feminized Seeds (Seedkeepers) Seedkeepers
1-yr Guarantee New Extra Seeds
Keep Frosted Guava Autoflower (Seedkeepers)
4.9 (14)
25 - 28% THC
  • Feminized
  • Autoflowering
Pack (number of seeds)
£8.1 £23.1 32.41 Save 9.31 £36.83 56.72 Save 19.89 £72.37 113.45 Save 41.08
Glue Cookies Feminized Seeds (AlphaFem Seeds)
1-yr Guarantee Extra Seeds
Glue Cookies (AlphaFem Seeds)
4.9 (34)
26% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£8.67 £21.28 26 Save 4.72 £60.1 86.67 Save 26.57
Crystal WW Autoflower Feminized Seeds (EGS)
1-yr Guarantee 1+1=3
Crystal WW Autoflower (EGS)
4.9 (25)
26% THC
  • Feminized
  • Autoflowering
Pack (number of seeds)
£8.67 £21.67 26 Save 4.33 £37.18 43.33 Save 6.15 £65 86.67 Save 21.67
Bruce Banner #3 Auto Feminized Seeds (Herbies Seeds)
1-yr Guarantee Extra Seeds
Bruce Banner #3 Auto (Herbies Seeds)
5 (18)
26% THC
  • Feminized
  • Autoflowering
Pack (number of seeds)
£8.12 £24.01 32.48 Save 8.47 £38.57 56.85 Save 18.28 £57.72 113.69 Save 55.97
Blueberry Hill Feminized Seeds (Herbies Seeds)
1-yr Guarantee Extra Seeds
Blueberry Hill (Herbies Seeds)
4.9 (44)
26% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£8.66 £25.73 34.66 Save 8.93 £40.51 60.65 Save 20.14 £61.95 121.3 Save 59.35
Critical XXL Feminized Seeds (Herbies Seeds)
1-yr Guarantee
Critical XXL (Herbies Seeds)
4.9 (18)
24 - 27% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£8.67 £23.41 26.01 Save 2.6 £36.85 43.35 Save 6.5 £56.36 86.71 Save 30.35
Grandmommy Purple Auto Feminized Seeds (Herbies Seeds)
1-yr Guarantee Extra Seeds
Grandmommy Purple Auto (Herbies Seeds)
4.7 (35)
25% THC
  • Feminized
  • Autoflowering
Pack (number of seeds)
£8.12 £24.01 32.48 Save 8.47 £38.57 56.85 Save 18.28 £57.72 113.69 Save 55.97
Sativa Mix Feminized Seeds from Herbies Seeds
1-yr Guarantee New Line-Up Mix Pack
Sativa Mix (Herbies Seeds)
5 (4)
22 - 27% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£71.85
Auto Mix Pack #1 Feminized Seeds (Herbies Seeds)
1-yr Guarantee Mix Pack
Auto Mix Pack #1 (Herbies Seeds)
5 (21)
23 - 27% THC
  • Feminized
  • Autoflowering
Pack (number of seeds)
£71.85
Blue Gelato 41 Barney's Farm Seeds
Great yields
Blue Gelato 41 (Barney's Farm)
5 (28)
25% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£12.13 £32.06 36.39 Save 4.33 £45.92 60.65 Save 14.73 £78.85 121.3 Save 42.45
LSD feminized seeds Barney's Farm Seeds
LSD (Barney's Farm)
5 (125)
25% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£11.26 £29.46 33.79 Save 4.33 £42.46 56.32 Save 13.86 £73.65 112.64 Save 38.99
AK 47 Fast Version Feminized Seeds (EGS)
1-yr Guarantee 1+1=3
AK 47 Fast Version (EGS)
5 (5)
24% THC
  • Feminized
  • Photoperiod
Pack (number of seeds)
£8.67 £21.67 26 Save 4.33 £37.18 43.33 Save 6.15 £65 86.67 Save 21.67
Top review
avatar
--
22 March 2025
5
Here's some data for you, I see people share it a lot in reviews here 📊✅ Grow Time: 4 weeks Flowering Time: 50 days Yield: 2.3 oz/plant (organic soil, no CO2) Training: LST only Resistance: No pests, slight sensitivity to PM (controlled by airflow) Bag Appeal: 9/10 (dense, frosty, minimal leaves) Smoke Report: Clear euphoria, no burnout. Verdict: If you need a reliable, fast-finishing strain with commercial-grade bud, stop looking. It's right here.
Top review
avatar
///
24 October 2024
5
Not for the faint of heart! I had no problems with the grow; it was easy to manage and completed relatively quickly.
Top review
avatar
)))
4 October 2019
4
All 3 seeds germinated within 12h! A day after I planted them in pots with coco and soil. Used sunlight during the day and 45W Leds after 7 pm when it was getting dark. They were growing mad during vegetation gaining almost 40% of their green mass each day. After 18 days I put them outside under 10h of direct sunlight. Added banana peels, chicken manure and drainage. They got adjusted within a week and then started shooting up again. But then the temperature dropped to -2C outside which I didn’t expect at all. I thought they’d die but my Hazes all survived! In fact, they kept thriving as if nothing happened! They reached 2.5m in height with lots of side branches. I had to chop them earlier than I expected but I am very satisfied with what I got! 1.She’s a fast grower2. Even her leaves give a strong effect!3. Resistant to low temps and diseases - no plagues at allShe’s a bit slow during flowering but I guess that’s because of bad weather - in warmer climate she’ll do better. Happy growing and harvesting to ya all!!!

Preventing Cannabis From Overheating

Cannabis is able to grow and develop at temperatures of up to +35 C (95F) – for weed, this point on the thermometer is considered the maximum. However, starting at +30 C (86F), cannabis growth slows significantly – buds lose their strength, flavor and aroma as the resin evaporates. Plants also become more vulnerable to pests, root decay, fertilizer burn and wilting at higher temperatures. Overall, the chances of plant death increase. Nevertheless, some heat-resistant Sativa cannabis strains are able to thrive at higher temperatures due to their genetic characteristics that arose as a result of their natural habitats’ hotter climates. So, if you live in an area where day temperatures go above +30C (+86F), you’ll need to consider purchasing heat-resistant strains so as not to lose any of the harvest or its potency.

Heat-Resistant Strains: What Are They?

Herbies has collected all of their heat-resistant strains on one page. Most of these heat-lovers are Sativas genetically predisposed to hotter climates. They normally have longer grow cycles, but the characteristics of their buds are totally worth the wait! A wide range of flavors and aromas combined with euphoric and cerebral effects – that’s what you can expect from a heat-resistant Sativa!

Last updated: 30 May 2026
Why Choose Herbies to Buy Cannabis Seeds in United Kingdom

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Written by
Jessica Turner
Cannabis writer and social activist

Jessica is a cannabis writer and activist focused on education, responsible use, and stigma reduction. She creates beginner-friendly content for Herbies Seeds and The Cannabook on Medium.

Reviewed by
Ethan Cole
Cannabis cultivation expert and writer
FAQ
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