Marijuana Strains for Warm and Humid Climates

Cannabis can grow in a wide array of climates and environments. However, different strains are better suited to certain conditions. Not every cultivar performs well in warm climates closer to the equator, but there are varieties that actually thrive in areas where the growing season is hot and humid.


Think of hot, humid climates and you’re thinking of the tropics: Hawaii, South East Asia, Central America and sub-Saharan Africa. Warmth, sunlight and rainfall all year round make these regions ideal for growing many cannabis strains. However, growers in these regions face two particular challenges: humidity levels and the light cycle of cannabis plants.

Tropical regions receive 12 hours of light followed by 12 hours of darkness all year round. Luckily cannabis plants grown in these light conditions tend to respond rather like auto-flowering strains. This means that they will flower at a certain point of maturity and when they have developed a particular number of nodes rather than flowering being determined by the light.

Moisture levels are the other main concern. Tropical climates typically have one or even two rainy seasons a year, which can mean that plants grown outdoors are likely to be susceptible to mould and rot. The longer raindrops remain on the plant, the more likely it is that mould will develop. Of course, if plants can be covered it will prevent them from receiving too much rain, but if that’s not possible, it’s important to shake the plants and buds after rainfall.

Summer is coming up here are some excellent strain recommendations that will thrive in hot climates.

Amnesia Haze

An award-winning strain, Amnesia Haze is a South Asian and Jamaican landrace, this plant is perfect for the tropics. The plant will grow very large, giving off huge yields. She is an award winning strain with a lot to offer, including an extremely potent THC content, large yields (up to 700g per plant), skyrocketing high, and a sweet citrusy flavour. Being mainly sativa, Amnesia Haze needs a little longer to finish, becoming ready for harvest late October.

Sour Diesel

One of the best-loved and most powerful weed strains, Sour Diesel is thought to be a cross between Northern Lights, Super Skunk and 91 Chemdawg. With 30% Indica genes and 70% Sativa, this strain will give you excellent yields and can be grown either indoors or outside. This strain has a high resistance to mould and other fungi. Grown outdoors, It produces the best results in a warm climate or regions with warm summer temperatures. The flowering time of Sour Diesel is just 10 weeks. In the northern hemisphere, the best time to harvest outdoor grown plants is October (in the northern hemisphere). With its Sativa dominant heritage, the plant grows rapidly during the first month and growers tend to get the best yields with low-stress growing techniques. The Sativa ancestry also ensures dense, resinous buds and powerful chemical, spicy and acidic scents. Grown indoors, the plant can reach up to 160 cm. Grown outdoors with plenty of sunlight and water, Sour Diesel will stretch away and reach heights of up to 300cm. Growers who apply the SOG method can expect high-quality yields of up to 500 gm per m2.

Northern Lights Strain

Northern Lights is one of the most well-known strains in the international cannabis community because it’s simply a legendary strain. You can’t go wrong with Northern Lights especially if you enjoy smoking indica strains – this is one of the best out there for sure. This strain is ideal for those suffering from insomnia, chronic pain, lack of appetite, and stress. Northern Lights is also one of the fastest-growing strains, and flowers in around 47 days in late September. It can grow to 2 meters in the outdoors, resembling a tree, and can produce more than 600g from each plant.

Hindu Kush

A pure indica strain named after the mountains where it originated. Hindu Kush is used to unforgiving climates and goes on to produce so many trichomes on its buds. Hindu Kush has a sweet and sandalwood-like aroma and elicits calming and sleepy effects.

Durban Poison

This Sativa weed strain has its origins in Durban in South Africa so is a natural choice for hot climates. Durban Poison strain was further hybridised by breeders in the USA and the Netherlands but is also suitable for growing outdoors in areas with shorter summers.
This Sativa cannabis is mould resistant and easy to grow, particularly when you grow it outdoors where it will grow tall – up to 2.5 metres. The plants also develop sturdy side branches. If you grow it indoors, apply SCROG techniques to control the height of the plants. Durban Poison will flower within 7 – 9 weeks when beautiful dark buds with a rich coating of resin appear.

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Harvesting is in early to mid-Autumn, with excellent yields of up to 700 grams per m2.

White Widow


This balanced hybrid strain was first bred in the Netherlands by Green House Seeds and has become a staple in Dutch coffee shops. Users enjoy White Widow’s euphoric and energizing effects that make them more sociable and talkative.

There’s nothing more fulfilling than seeing your beautiful cannabis plants thrive well in the great outdoors. Of course, the weather can be unpredictable, especially when you’re planting your crop months in advance. Some marijuana growers choose to plant various genetics with different flowering times to increase the chances of a robust crop.

  • Are you searching for cannabis seeds? Check out our seed store – it’s well worth checking out!

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