Auto Flowering vs Feminised Cannabis Seeds For UK Growers.
Auto Flowering vs Feminised Cannabis Seeds For UK Growers.
For UK growers—whether you’re an experienced cultivator or just starting out—choosing between auto flowering and photoperiod seeds can make a huge difference in your growing success. Each seed type offers unique benefits and challenges that affect everything from your yield size and potency to how much time and effort you’ll need to invest.
In this complete guide, we’ll explore everything you need to know about auto flowering vs photoperiod seeds, focusing on what’s best for UK climates, indoor setups, and personal growing goals.
By the end, you’ll know exactly which seed type suits your needs and how to get the best results from each—whether you buy from Discount Cannabis Seeds, the UK’s trusted source for high-quality seeds.
1. What Are Auto flowering Cannabis Seeds?
Auto flowering seeds are a game changer in the world of modern cultivation. Unlike photoperiod plants, which rely on changes in light cycles to begin flowering, auto flowering plants automatically transition from the vegetative stage to the flowering stage after a certain period—usually 2 to 4 weeks.
Key Features of Auto flowering Cannabis Seeds.
- Fast-growing: Typically ready to harvest within 8–12 weeks from germination.
- Compact: Ideal for discreet or small-space grows.
- Low maintenance: Perfect for beginners or busy growers.
- Resilient: Can handle colder UK climates and fluctuations in light.
The Origin of Auto flowering Genetics.
Auto flowering strains were developed by crossing traditional sativa or indica genetics with ruderalis, a hardy species native to regions with short summers like Russia. This hybridization gave plants the ability to flower automatically, regardless of light cycle.
Why UK Growers Love Auto flowers Cannabis Seeds.
For those in the UK, where weather can be unpredictable, auto flowering seeds provide a huge advantage:
- They don’t rely on long sunny days.
- They can complete multiple harvests in one short growing season.
- They’re highly resistant to pests and mould.
2. What Are Photoperiod Cannabis Seeds?
Photoperiod seeds are the classic choice for growers who want maximum control and potential yield. These plants depend on light schedules to determine when to flower—typically requiring 18 hours of light during vegetative growth and 12 hours of darkness to trigger flowering.
Key Features of Photoperiod Cannabis Seeds.
- Higher yields: Larger plants with more bud sites.
- Control over growth: You decide when to switch to flowering.
- Variety: More genetic diversity and flavour profiles.
- Training potential: Ideal for advanced growing techniques like topping, SCROG, or LST.
Because photoperiod plants rely on natural daylight, they tend to perform best indoors or in greenhouses where light can be controlled. Outdoors, the UK’s short summer season may limit full development unless the grower times the planting perfectly in spring.
This table provides a clear view of which option suits your growing goals.
4. Advantages of Auto flowering Cannabis Seeds.
A. Speed and Efficiency
One of the main reasons UK growers choose auto flowering seeds is their quick turnaround. With full harvests achievable in under 12 weeks, you can enjoy multiple cycles per year—even in cooler climates.
Auto flowering plants stay short (usually 50–100cm), making them perfect for urban or balcony growers who value discretion.
Beginners love autos because they require minimal intervention. They automatically switch to flowering without needing to adjust light schedules—reducing the risk of mistakes.
Thanks to their ruderalis lineage, auto flowers handle poor light and cooler UK temperatures far better than photoperiods.
5. Advantages of Photoperiod Cannabis Seeds.
A. Maximum Control
Photoperiod growers can manipulate the vegetative period to determine plant size, shape, and yield. This is ideal for experienced growers looking to optimize production.
Because you can extend vegetative growth, photoperiod plants grow larger and produce significantly higher yields compared to autos.
Photoperiods respond well to training techniques—topping, low-stress training (LST), and super cropping—all of which increase bud production and overall yield.
Photoperiod strains often offer more flavour profiles, terpene richness, and unique effects because they have been selectively bred for decades.
6. Which Is Better for UK Growers?
This depends on your growing conditions, experience, and goals:
- You’re a beginner.
- You want fast harvests.
- You’re growing outdoors in the UK.
- You have limited space or discretion concerns.
- You grow indoors with light control.
- You have experience managing nutrients and light cycles.
- You’re chasing maximum yields.
- You enjoy training and customizing your grow.
7. Common Mistakes to Avoid
For Auto flowers:
- Transplant shock: Start autos in their final pot to avoid stunted growth.
- Overfeeding: Auto flowers need fewer nutrients; go light on fertilizers.
- Overwatering: Always let the soil dry out between watering.
- Incorrect lighting: Keep strict 12/12 light cycles for flowering.
- Harvest timing errors: Wait until trichomes turn milky with amber hints.
- Skipping training: Proper plant training can double your yield.
8. Best Auto flowering Strains for UK Growers
1. Gorilla Glue Auto Cannabis Seeds.
- THC: 25%
- Flowering Time: 8–10 weeks
- Effect: Relaxing, euphoric
- Why it’s great for the UK: Short, fast, and mould-resistant.
2. Stardawg Auto Cannabis Seeds.
- THC: 22%
- Effect: Energizing and mood-lifting
- Grow Tips: Excellent for indoor micro-grows.
- 3. Amnesia Auto
- THC: 24%
- Effect: Cerebral and creative
Why UK growers love it: Performs well even with limited summer sun.
9. Best Photoperiod Strains for UK Growers.
1. Girl Scout Cookies Cannabis Seeds.
- THC: 26%
- Flowering Time: 9–10 weeks
- Effect: Balanced head and body high.
2. Bruce Banner Cannabis Seeds.
- THC: 30%
- Effect: Uplifting and powerful.
- Why it’s great for indoor UK grows: Handles training well and yields big.
3. Green Gelato Cannabis Seeds.
- THC: 27%
- Effect: Euphoric, uplifting, and creative.
- Tip: Keep humidity below 55% during flowering for dense buds.
10. Growing Indoors vs Outdoors in the UK.
Indoor Growing Advantages
- Total control over light, temperature, and humidity.
- Year-round growing potential.
- Perfect for photoperiod strains.
- Lower costs and natural sunlight.
- Perfect for auto flowers.
- Use greenhouses for better results in cooler months.
11. How to Maximize THC and Terpene Production
- Keep consistent light cycles.
- Use organic soil with beneficial microbes.
- Flush properly before harvest.
- Dry and cure buds slowly for enhanced flavour.
Olivia H., Leeds:
"Autoflowers were my best decision. Harvested in 9 weeks with amazing results. Highly recommend Stardawg Auto!"
Mark D., Bristol:
"Photoperiods gave me full control. My Girl Scout Cookies plants were huge, and the flavour was unmatched."
13. Why Buy from Discount Cannabis Seeds
- Trusted Breeders: All seeds sourced from world-class brands like Barney’s Farm, Dutch Passion, and Fast Buds.
- Discreet Shipping: Secure and private UK delivery.
- Affordable Prices: Regular discounts and promotions.
- Customer Support: Grower-friendly advice and guidance.
Both auto flowering and photoperiod seeds offer incredible growing experiences—it all depends on your setup and goals.
If you want quick results, easy growth, and stealthy plants, go for auto flowers.
If you prefer big yields, maximum control, and a wide range of genetics, choose photoperiods.
At Discount Cannabis Seeds, we provide both options so you can experiment and discover what works best for your style.
🌿 Ready to start your growing journey? Visit Discount Cannabis Seeds today to explore our Auto flowering and Photoperiod seed collections. Enjoy premium genetics, discreet shipping, and unbeatable prices for UK growers!
All seeds sold by Discount Cannabis Seeds are for collectible / souvenir purposes only. Germination is illegal in the UK without a Home Office license.
We are also certified by CannaPro.
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