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best weed seeds to grow hydroponically

Towering sativa strains have the potential to surge to heights of 300cm. Growers can limit vertical growth by planting them in small containers, but they won’t produce as good of a yield as strains specifically bred for indoor cultivation.


Fortunately, breeders have tinkered with cannabis genetics to create varieties that are ideal for indoor growing. These plants remain short, and are easy to manage and train. They’re suitable for small grow tents, and some cultivators even go to the extremes of raising them in refurbished computer towers and cupboards for added stealth.

Are All Weed Strains Suitable for Indoor Grows?

Indoor growing also allows cultivators to take control of time (to a degree, at least). Photoperiod cannabis varieties begin to flower only when the hours of light decrease leading up to autumn. Indoors, growers can change the light cycle to trigger flowering whenever they want. Alternatively, they can extend the growth phase by keeping plants under a veg-specific light cycle.

This award-winning cannabis strain stems from the West Coast of the United States. Breeders created Northern Lights using indica genetics from Afghanistan.

If you’re planning to grow weed indoors, consider the strains below. They’re ideal for small spaces and produce fantastic harvests.

Indoor growing makes life easier for many cannabis cultivators. If you live in a cold climate with bad weather, or your garden lacks direct sunlight, indoor grow tents provide a safe haven. The ability to manipulate the light schedule, humidity, and nutrients with precision allows growers to raise weed on their own terms.

Hydroponic cannabis has an ideal temperature of 20°C. This factor can be monitored using a water thermometer and altered using a water heater if the temperatures are too low.

A drip system in hydroponics is very similar to a drip irrigation system when growing in soil. This system consists of a large tray filled with growing medium, such as clay pebbles. Plants are placed directly into the medium, and each has its own drip pipe nearby. An external water tank with a pump and air stones constantly supplies a drip feed of water over each plant. The roots of these plants are constantly exposed to air, and the excess water drips down the medium and back into the external tank.

After choosing your system, it’s important to prepare it well to prevent any detrimental situations. The damp and dark nature of water tanks is an ideal growing environment for a host of pathogens. Before running your system, you will need to sterilise your equipment to minimise the chances of contamination. Wipe down all of your buckets, trays, pipes, and tanks with rubbing alcohol, hot water, and peroxide. Once your system is sterilised, begin following the instructions to set it up correctly.

A) Always Monitor pH

The Kratky method makes hydroponic growing affordable, accessible, and easy. Growers can use a range of items to make these systems, including buckets and plastic boxes. The plants sit in net cups inserted into a lid, and the roots reach down into a nutrient solution below.

There are numerous types of passive hydroponic systems, but the Kratky method and wick system are two of the most popular.

Deep water culture systems are effectively active versions of Kratky systems. They feature a single reservoir filled to the top with nutrient solution. Plants sit in net cups that are slotted into holes in a Styrofoam sheet that floats on the surface. Unlike the Kratky method, deep water culture systems don’t need to maintain an air gap to allow the upper roots to breathe. Instead, the system uses an air stone to continually aerate the solution.

Smaller and more compact strains are ideal for indoor hydroponic systems. Beginning with a smaller strain is advantageous for several reasons. For one, it will let you cultivate several plants within a smaller space, allowing for more diversity and potentially bigger yields. Additionally, if your plants do go through a growth spurt, you’ll have room to deal with such sudden surges in height.

Deep water culture offers some serious benefits when compared to growing in soil. But not all strains react the same to this method. Try out these 5 cultivars for the best results!

Amnesia Haze is a strain known around the world for her fun and energetic sativa high, great productivity, and tantalising tastes. This lady was first bred in the European cannabis capital of Amsterdam using Haze genetics from California. This award-winning variety has seen great success in the competition circuit, and was victorious at the High Times Cannabis Cup in 2004 and 2012. She produces a potent effect that borders on psychedelic—an electrifying high that takes hold of the neurons instantly and proceeds to elevate mood and provoke talkative and social behaviour. She’s an excellent daytime smoke when looking to zone into work. Her flowers produce high levels of THC and medium quantities of CBD.


Amnesia Haze is a superb option for DWC. She grows to a medium height and can be cultivated with ease in limited space. Expect an indoor yield of around 600g/m² after a flowering period of 12–13 weeks.

Gorilla Glue is a great choice for DWC is you’re seeking potency. This lady will grow to a height of 90–150cm indoors and yield up to 560g/m² after a flowering time of 8–9 weeks.

Gorilla Glue has a legendary status in the cannabis world. This variety is easily one of the more potent strains in existence, pumping out THC levels of between 24–26%, with some phenotypes even clocking in at 30%. Such power might seem like the result of a well planned breeding process, but the original Gorilla Glue was actually created by accident when a Chem Sis plant pollinated a Sour Dubb specimen. This well balanced hybrid produces a relaxing high that deeply stones the body, releases tension, extinguishes stress, and induces a meditative state. The terpene profile provides moreish notes of earth, sweetness, lemon, and pine.