Best Cannabis Strains for Growing Indoors – In cannabis terms, indoor growing’ is basically shorthand for growing cannabis indoors under special lighting using fans, timers, and often watering systems or other specialized equipment to recreate nature and provide the plants with everything they need to flourish as though may possibly growing outdoors under the best possible conditions’.
The nomenclature can be confusing. If you happen to be able to in an Amsterdam coffeeshop, the words Indoor’ and Outdoor’ on the menu refer to where the cannabis was grown, not where you can consume it. People who are new to the wonderful world of cultivating his or her cannabis can be under the impression that indoor growing simply means not outside’.
Many times an inexperienced first-timer may be disappointed as soon as the plant that are learning to nurture on their kitchen windowsill as although it was a geranium isn’t able to thrive and flower. However, with the appearance of autoflowering cannabis seeds, now even windowsill growing can triumph!
WHY GROW INDOORS?

Best Cannabis Strains for Growing Indoors
Super Skunk Automatic

Super Skunk Automatic
Cannabis cup winners
Indica Strain
Average flowering period
Average height gain
Medium yield
Temperate / continental
Super Skunk Automatic is a strong, sturdy and skunky strain, ideal for medicinal indoor growers. It has powerful indica effects, though not strong enough to share you to sleep. If you are a medicinal grower who seeks pain and stress relief without standard tedious couchlock, then this is a strain worth entertaining the idea of. It is low maintenance and also won’t be bothered by the need to remove male plants, change lights, or do any form of pruning or trimming.
Northern Lights Automatic

Northern Lights Automatic
Average flowering period
Indica Strain
Compact plant
Medium yield
Sunny / mediterranean
Temperate / continental
Very an indoor strain worthy of intermediate growers in demand of something special. The strain boasts of powerful effects, ease of growth and quality leaves. The plant is quite small proportions and will never grow beyond one meter tall. Additionally, has a short flowering period of about eight weeks.
Northern Lights Haze #5 Haze Feminized

Northern Lights Haze #5 Haze Feminized
Feminized strain
Cannabis cup winners
Sativa / indica Hybrid
Long flowering period
High plant
XXL yield
Sunny / mediterranean
When you’ve got some experience growing marijuana successfully in the past, then you should try growing the Northern Lights #5 Have Feminized kind. The strain takes at least ten weeks to flower and demands lot of attention, tender care and extra support, especially when the lateral branches are on their latest stages of enlargement. It is a powerful and high yielding plant and for you to be successful with it, you will need to incorporate a great deal of skill and patience.
Big Bud Feminized

Big Bud Feminized
Feminized strain
Cannabis cup winners
Sativa / indica Hybrid
Long flowering period
High plant
XXL yield
Sunny / mediterranean
Is actually a the strain to pick if you desire gargantuan amount of buds coming from a plant. Big Bud Feminized is the result regarding your breeding program which brought together skunk Afghan genetics with Afghan cultivar to generate a marvelous indica-dominant marijuana vast variety.
Silver Haze #9 Feminized

Silver Haze #9 Feminized
Feminized strain
Cannabis cup winners
Sativa / indica Hybrid
Long flowering period
High plant
XXL yield
Sunny / mediterranean
An experienced number of growers are afraid to try out the Haze strains because they take relatively long to flower, they tend enable on vegetating even on the 12/12 light cycle and also because of their high. In as much as the Silver Haze # Feminized strain may exhibit a number of these features, what you get eventually will be its effort. The results is proud of large yields and can be also the strain to think if you are limited to just a number of plants due to space constraints.
Maple Leaf Indica

Maple Leaf Indic
Regular strain
Indica
Short flowering period
Average height gain
Large yield
Sunny / mediterranean
Pure indicas were staple strains for indoor growers for very many years and evident than when you due to their admirable attributes such as short flowering periods, reliable growth patterns and high quality yields. Though their dominance has been diluted via the emergence of the more stable sativa-dominant breeds, Maple Leaf Indica is one strain that has were able to successfully wade off any attempts to go under due to the influence of the hybrid newbies. The variety is known to produce lots of beautiful, thick, deep-green leaves that needs you some time to crush successfully.
Jack Herer

Jack Herer
Regular strain
Sativa / indica Hybrid
Short flowering period
High plant
Heavy yield
Sunny / mediterranean
Jack Herer displays a perfect indica/sativa balance in the ratio of 1:1. With this strain, you get a perfect balance of cerebral high and body stone and it is a strain more more awards under its belt than any other cannabis variety. It is ideal if you desire a perfectly homogenous marijuana strain.
Shiva Shanti II

Shiva Shanti II
Regular strain
Indica
Short flowering period
Average height gain
Large yield
Temperate / continental
Shiva Shanti II is the strain to consider if you require milder effect and you are a beginner grower on budget. It is cheap, fast, tough and very forgiving. At 75% indica, the strain boasts of a fast flowering period and a normal height gain, but will always deliver very good yields.
American Dream

American Dream
Regular strain
Sativa / indica Hybrid
Short flowering period
Compact plant
Large yield
Temperate / continental
With the American Dream, you get speed, reliability and potency from a classic skunk-afghan hybrid blended with high quality sativas from Hawaii and Jamaica. The strain produces plants characterized with thick, dense and spiky buds which are reminiscent of the Christmas tree shape. As such, they are easy to work and grow, making it a favorite strain for individuals with compact grow spaces.
Skunk Automatic Strain

Skunk Automatic Strain
Indica
Short flowering period
Short flowering period
Compact plant
Medium yield
Cool /cold
The Skunk Automatic is the ideal strain for beginners or individuals on a budget. It is pleasantly easy to grow and it comes with very rewarding results. This particular strain taps into the unique qualities which made skunk win multiple awards such as being able to be grown by individuals with zero experience in gardening. Flowering takes about five weeks, after which after which you will see thick compact bushes that will be ready for harvest after about fifteen days.
Critical

Critical
Afghani x Skunk
550 - 600 g/m
80 - 140 cm
7 - 8 weeks
THC: 18% (aprox.) / CBD: Low
40% Sativa, 60% Indica
600 - 650 g/per plant (dried)
80 - 220 cm
Late September
Stoned, physically and mentally
We like to think of our Critical as the perfect all-rounder and recommend it to outdoor growers, novices, and anyone aiming for extremely high yields in a short flowering period. Indoor growers can profit from a huge production that exceeds indoor yields of 600g/m² in some cases, a strong narcotic stone due to average THC levels of 18%, and a highly stable genetic background consisting of Afghani and Skunk genetics.
What makes this strain one of the best choices for an indoor grow? Well, no other variety from the Royal Queen Seeds product range is capable of yielding higher in a short flowering period of 7-8 weeks. If you’re looking for a vigorous and resilient strain that won’t cause any trouble other than confronting you with large amounts of high-quality cannabis – Critical is your choice.
Royal Gorilla

Royal Gorilla
Sour Dubb x Chem Sis x Chocolate Diesel
500 - 550 gr/m2
90 - 160 cm
8 - 9 weeks
THC: 27% (aprox.) / CBD: Low
50% Sativa, 50% Indica, 0% Ruderalis
550 - 600 g/per plant (dried)
130 - 170 cm
Middle of October
Cerebral and relaxing
It was made by once only available to smokers in the United states. Royal Gorilla has since crossed the pond, allowing for its amazing traits to take part in by the growers and smokers in Europe. A clean split between indica & sativa, Royal Gorilla a new wave of cerebral relaxation with an impressive 2427% THC.
This is a little more complicated blend, combining Sour Dubb, Chem Sis and Chocolate Diesel. Her taste finds roots in the forest, showcasing pungent hits of earthiness and pine and it will grow beautifully away from is the fact outdoors.
Royal Gorilla uses about 910 weeks to flower. But once that happens, you’ll see hefty buds with bright green leaves, with so much resin they shine the actual planet light. The plants reach 90160 cm and bear respectable yields of 500550g/m. This strain produces superb quality and will not at all disappoint.
Royal Cookies

Royal Cookies
Cookies Forum x Cookies Forum
450 - 525 gr/m2
80 - 110 cm
8 - 9 weeks
THC: 23% (aprox.) / CBD: Low
20% Sativa, 80% Indica, 0% Ruderalis
450 - 500 g/per plant (dried)
175 - 210
Middle of October
Relaxed and Euphoric
The previous strains, Critical, and Royal AK are well-established varieties and cultivated by many indoor growers across Europe for many years. Widespread popularity is often a fantastic sign indicating the quality of a certain strain or lineage, but sometimes it’s beneficial to give new genetics a chance – a reason why we decided to list our newly developed Royal Cookies in this Top 5.
This strain is based on the notorious Girl Scout Cookies Forum cut, at the very top clone that was only available in a cannabis internet forum. Girl Scout Cookies is one of probably the most potent strains one could purchase in US dispensaries in recent times. Today, Royal Queen Seeds programs a stabilized seed of this Californian classic with outrageous THC levels of 23% – the highest THC content of all our strains.
Green Gelato

Green Gelato
Sunset Sherbet x Thin Mint Girl Scout Cookies
500 - 700 gr/m2
80 - 120 cm
8 - 10 weeks
THC: 27% (aprox.) / CBD: Low
750 - 800 g/per plant (dried)
750 - 800 g/per plant (dried)
150 - 200 cm
Early October
Physical, clear high
We like to all of our seeds, but we’re confident saying that Green Gelato sits among the top cultivars in our collection. It’s a mix of Thin Mint Girl Scout Cookies & Sunset Sherbet, a combination that makes cannabis aficionados all on your world salivate. Green Gelato packs a whopping 27% THC and tastes as some dessert, blending sweet & citrusy notes with earthy tones.
You’ll want to train and prune the plants regularly when growing this lady. Along with that, you should bring techniques like the ScrOG, fimming, mainlining, LST & topping into play. Assuming you do everything right, you’ll possess a plant yielding up to 700g/m, reaching up to 120cm and flowering after 810 weeks. Expect an understandable high that feels more physical, since there’s only one slight bit more indica than sativa involved.
Amnesia Haze

Amnesia Haze
Original Amnesia Haze
600 - 650 gr/m
80 - 140 cm
10 - 11 weeks
THC: 22% (aprox.) / CBD: Medium
70% Sativa, 30% Indica, 0% Ruderalis
650 - 700 g/per plant (dried)
175 - 210 cm
Late October
Extremely high, long-lasting, body relaxing
We no other option in order to list this incredibly potent Haze strain in our Top 5 for indoor growing. It’s simply probably the greatest varieties of our entire product range, and could recommend it to a person with a little experience in cannabis cultivation and the willingness to practice patience for 10-11 weeks of flowering. Waiting a few additional weeks compared with strains doesn’t come without tremendous benefits regarding potency, flavours, and effects.
Our Amnesia Haze gets regularly tested at 22% THC, combines haze freshness with fruity flavours, and its powerful effects resemble a parabolic flight into the stratosphere you’ll experience a rush of euphoria together with a strong, uplifting head high that promotes a feeling of zero gravity.