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best outdoor cannabis seeds 2021

Critical, which also made it into our Top 5 Strains For Colder Climates, is a vigorous and rapid-flowering indica that deserves to be featured in every cannabis ranking that exists. However, crossing Critical with the notorious OG Kush took potency to a whole new level.

With the selections on this list, you can avoid unnecessary trouble with rain and frost in October and November. While other growers are busy inspecting their developing buds for mould, you’ll be drying and curing your harvest and filling up your jars. If you missed out on our top 5 strains for colder and warmer climates, feel free to give those a look as well!

Fast flowering so you can beat rainy weather in fall
• Good natural resistance to mould and pests
High yields
• Great potency, aroma, and flavour
Superb effect

Critical Kush

For outdoor cultivators and novice growers, choosing Speedy Chile Fast Flowering is a wise decision. You can fill your bags with buds in early September, which leaves no room for uncertainty regarding climate or mould issues. And the buds you gather will be excellent in their own right, producing sumptuous flavours of fruit and pine alongside a THC content of 16%.

With Fat Banana, the breeders at RQS managed to hybridise the biggest and fattest Banana OG specimens. This Kush strain will seduce you with fruity flavours, and it may lay you flat on your couch with its incredibly potent smoke.

Perfect for growing outdoors, the strain needs about 7–8 weeks to mature its flowers. If all goes well, you can bring in 500g/plant by mid-September.

Here are the traits your outdoor strain needs to include:

These top-tier cultivars represent the finest feminized seeds in our 2021 collection. They contain high levels of THC, unmatched terpene profiles, and yields that will keep your stash jars topped up for months at a time. These varieties produce exclusively female plants, saving growers plenty of time when it comes to identifying males and removing them from the growing space.

Sweet ZZ is a highly productive strain with a relatively fast flowering time of 7–9 weeks. Grown indoors, she’ll pump out up to 600g/m² while advancing to a height of 140cm. Outdoor plants grown in containers or garden beds will reward with up to 550g/plant and peak at a height of 200cm. Expect to harvest outdoor plants during late September.

Royal Gorilla

Royal Runtz packs some serious heat. Her dense and resinous flowers hold massive levels of THC and terpenes that light up the taste buds. With a THC content of 27%, she holds the title as one of the strongest strains in the RQS archive. You’ll feel her energising and euphoric high set in after only a couple of hits. Although her tastes of candy and fruit will tempt you to keep smoking, you should take your time with this potent lady to find your sweet spot.

If you’re growing feminized seeds in 2021, you can’t miss out on these elite genetics. Whether you like to grow indoors within tents or outdoors under the sun, these plants will produce impressive yields, tantalising flavours, and concentrated cannabinoid profiles every time—without the risk of males. Enjoy sky-high levels of THC!

Our Royal Gorilla is one of the strongest strains available from Royal Queen Seeds. We have managed to bring this powerful cannabis strain all the way from the U.S. – the only place were it had been available until now.With an average THC level of 25% – and exceeding 30% depending on the phenotype – this incredible beast will take you soaring the skies. or have you glued to the couch!