Best Outdoor Marijuana Strains For 2018 – Best Climates For Cannabis Cultivation

Looking for the best marijuana strains for outdoor growing in your area? Here’s Growbay’s guide to best outdoor strains for 2018.

Cannabis grows pretty much anywhere in the world, but some marijuana strains will do better than others depending on the climate conditions in your area of the region. Here’s your quick break down by climate zone of the best strains for growing cannabis outdoors from seed.

The best strain for growing marijuana outdoors depends on where you live. To grow a great outdoor strain to its full potential takes time — time to grow and time to mature.

Cannabinoid-rich trichomes need to ripen before being harvested. If harsh winter and rain arrive early in your area your entire crop can be ruined before it has had a chance to fully mature. And If the daylight hours get too short before your plants have had time to grow then they’ll be triggered to flower early, leaving you with undesirably small yields.

Below we have a list of climate zones and some recommended marijuana strains for outdoor growing in your area.

Best Outdoor Marijuana Strains For Mediterranean Climate Zones

Home growers in the Mediterranean region are situated in prime real estate. With warm, dry summers, a mildly wet winter and cool temperatures overall, these regions can support any long-finishing or delicate outdoor marijuana strains.

Places with a Mediterranean climate include:

  • Vancouver, B.C.
  • Southern Oregon, U.S.
  • Pacific Northwest
  • Coastal Countries of southern Europe & Northern Africa
  • Santiago, Chile

This region can support indica or sativa varieties and hybrids, but some of the best marijuana strains to grow in 2018 for Mediterranean climate zones include:

  • Jack Herer
  • AK-47
  • G-13 Haze
  • Sour Diesel

Best Outdoor Marijuana Strains For Tropical Climates With Monsoon Season

Tropical and monsoon-like climate regions are difficult for growing cannabis, but if you’ve got the time to care for your crop you can manage. Light hours are mostly constant and it is pretty much hot year round, and more or less humid depending on your geography.

Regions with a Tropical Climate include,

  • The Caribbean
  • Brazil
  • Australia
  • South Florida
  • Equatorial countries

The biggest challenge in these regions will be the risk of mold and bud rot from humidity. And, you don’t have a change in daylight hours with an average of 12 hours per day more or less. You might need to acclimate a potent Sativa by crossing it with a local landrace strain. Consider your best outdoor marijuana strains for tropical regions to be:

  • Super Lemon Haze
  • Durban Poison
  • Trainwreck
  • Chocolope

Best Outdoor Marijuana Strains for Subtropical Climate Regions

Cannabis thrives in the subtropical regions, but in some geographies of this climate zone, the rainy season and humidity can be a big issue with marijuana strains that need time to mature.

Regions with a subtropical climate include:

  • Southeastern, U.S.
  • Central Asia
  • Some parts of –
  • Australia
  • Argentina

Cannabis can grow nearly all year round, but you’ll have to be vigilant against fungus, mold, and pests due to the long-lasting humidity. There is a significantly marked difference in temperature and light as autumn days draw near than growers in tropical climate regions can expect to have.

The subtropical regions can support cannabis strains that need more time to finish, but you may want to source marijuana strains that have been bred for heat and pest resistance.

The best strains for growing marijuana outdoors in the subtropical regions include:

  • Jamaican Pearl
  • Blue Hash
  • Purple Power
  • Amnesia Haze

Best Outdoor Marijuana Strains For Hot-Inner continental Climate Regions

This climate region is hot and dry with substantially low rainfall, minus a few thunderstorms depending on your geography. This climate region includes:

  • Mid-West Regions of U.S.A
  • Ontario, Canada
  • Parts of Eastern Asia & Europe

If you can stand the heat and arid conditions, then this region is ripe for cultivating giant buds without much risk of mold. Just keep an eye on local weather patterns and try to predict how long you have to mature your flowers before the harsh winter and freeze rain sets is.

The best marijuana strains to grow outdoors in the hot, inner continental regions include:

  • Afghan
  • Northern Lights
  • Gorilla Glue #4
  • Platinum GSC


No matter where you live in the world, chances are that if it’s hospitable to humans, then it can also support cannabis cultivation. Just make sure you have enough time to grow and mature your crop, and watch out for mold and pests.

These are the most common climatic regions around the world for cultivating cannabis, but you can grow your own cannabis in other climates that aren’t listed here such as in arid climates, the subarctic, and maritime regions of the world.

You can even get feminized autoflowering seed varieties of many popular marijuana strains that flower according to a genetically triggered period, usually after 3 months, regardless of how many hours of daylight are available. We’ll cover that in another article.

If growing cannabis outdoors isn’t your cup of tea, then there are plenty of other methods of cultivation to consider such as hydroponics or indoors.

Thanks for reading! You can read more about growing cannabis in our other articles linked below and be sure to check out picks for best indoor grow lights.

Aaron Matthew is a cannabis writer, digital nomad, independent musician, and now a regular contributor to