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THE BEST WEED VARIETIES TO GROW INDOORS
It is possible to purchase cannabis seeds and grow them yourself, either outdoors or indoors. Growing indoors often has practical advantages. Below you will find more information, including a list of suitable strains for indoor growing.
This blog is for informational purposes only and does not encourage illegal activities. Always check local laws before you decide to grow or use cannabis. The author and publisher accept no responsibility for actions resulting from the use of this information.
Why grow cannabis indoors?
It might be weird to grow cannabis indoors, but it can still work well. Why? Simply because it is easier for you as a grower. After all, you can control the light, nutrition and water yourself, which is not possible if you plant outdoor seeds in your garden. It is also a good alternative if you live in a cold climate or if your garden gets little sunlight. Moreover, it is not visible to others that you are growing weed if you do it in your home.
Tips for choosing the best indoor cannabis strains
Choosing the best weed varieties to grow indoors depends on your personal preferences and available space. Consider, for example, the height of the plant, flowering time and desired effects. Autoflower varieties are often a good choice for beginners thanks to their simplicity and fast cycle. Yield per square metre can also be an important factor in selecting the best cannabis strain for your growing space.
Can you grow all cannabis strains indoors?
Not every strain is suitable for indoor cultivation. Some grow too fast towards the light source, making them too big. Fortunately, there are strains developed specifically for indoor growing that stay compact.
How-to: Indoor cannabis growing (step-by-step guide with diagram)
Want to learn how to grow the best weed varieties indoors? Below is a step-by-step schedule (8-12 weeks) that you can follow.
Step-by-step grow schedule (example)
| Week | Phase | Lighting schedule (hours) | Actions | Tips |
|---|---|---|---|---|
| 1 | Germination / seedling | 18/6 | Germinate seeds in moist medium with soft light. | Use root stimulant, ~24°C temperature. |
| 2 | Growth (vegetative) | 18/6 | Re-pot if necessary, build up nutrition. | Humidity ~60%, not too wet. |
| 3 | Growth | 18/6 | Training (LST, topping in photoperiod). | Light closer for compact growth. |
| 4 | Growth | 18/6 | More growth feed, control ventilation. | Humidity 50-60%. |
| 5 | Flowering start | 12/12 (photoperiod) or 18/6 (autoflower) | Switch to bloom feed. | Autoflowers stay on 18/6. Humidity ~50%. |
| 6 | Flowering | 12/12 or 18/6 | Check for mould, follow feeding. | Remove low leaves for airflow. |
| 7 | Flowering | 12/12 or 18/6 | Give bloom booster if necessary. | Check leaves for deficiencies. |
| 8 | Flowering | 12/12 or 18/6 | Continue flowering feed. | Humidity ~40-45% for top quality. |
| 9 | Flowering / ripening | 12/12 or 18/6 | Reduce feeding, start flushing. | Check trichomes with magnifying glass. |
| 10 | Flushing | 12/12 or 18/6 | Water only, no more feeding. | Improve flavour by flushing well. |
| 11-12 | Harvesting and drying | Dark/drying room | Cut and dry (7-14 days ~20°C). | RH 50-60%, dry slowly for best flavour. |
Note: this schedule is an example and depends on the strain, setup and experience. Autoflower varieties usually stay on 18/6 light schedule, while photoperiod plants go on 12/12 for flowering.
The best weed varieties for indoor growing
These are the best weed varieties for growing indoors:
1. Candy Kush Express Fast Flowering
Candy Kush Express Fast Flowering is a hybrid (40% Sativa, 60% Indica) with distinct effects of both types. It contains around 18% THC and little CBD. It flowers quickly (about eight weeks) and grows to a maximum height of 100 cm.
Note: The listed THC/CBD values and effects are indicative and not medically validated. Consult a professional for reliable advice.
2. Fat Banana Automatic
Fat Banana Automatic is an autoflower that is fast-growing and strong. The cycle from seed to harvest takes around ten weeks, with a yield of 450 g/m². The plant grows to around 100 cm tall.
3. Bubblegum XL
Bubblegum XL grows slightly taller (around 140 cm) and gives a high yield of around 500 g/m². The variety is known for its sweet taste and smell.
4. Northern Light Automatic
Northern Light Automatic is a popular classic. The Automatic variety has a fast flowering time and a high yield (around 550 g/m²). Plants grow to an average height of 120 cm.
5. Lowryder Auto
When space is at a premium, Lowryder Auto is ideal. It stays compact (around 40 cm tall) and is very fast, with a flowering time of around 56 days. Yield is around 35g/m².
Frequently asked questions about the best indoor varieties
How much light do indoor cannabis plants need?
Most growers use a light schedule of 18 hours of light and 6 hours of darkness during the growing phase. For the flowering phase, switch (for photoperiod varieties) to 12 hours of light and 12 hours of darkness. Autoflower varieties can often just stay on 18/6.
How long does it take to grow weed indoors?
On average, indoor growing takes between 8 and 12 weeks, depending on the strain. Autoflowers are usually faster (8-10 weeks), while photoperiod varieties can take slightly longer.
Should I flush my plants before harvest?
Yes, flushing your plants (just watering without feeding) in the last 1-2 weeks helps to remove excess nutrients from the soil and the plant, improving the flavour and purity of your harvest.
Sources and references
- Leafly - strain information and user reviews: https: //www.leafly.com/
- GrowDiaries - practical reports with yield and flowering times: https: //growdiaries.com/
- SeedFinder - strain database with independent data: https: //en.seedfinder.eu/
- Health information: Trimbos Institute - Cannabis
Disclaimer and legal information
Important note: The cultivation and possession of cannabis is only allowed to a limited extent in the Netherlands and falls under tolerance policy. Commercial cultivation and trafficking without a licence are punishable. Always inform yourself about the current legislation in your municipality or country. See the central government on cannabis for the rules in the Netherlands.
Health warning: Cannabis use can have risks to physical and mental health, especially in young people or those with a predisposition to mental health problems. Read more at the Trimbos Institute.
