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best cannabis seeds for growing outdoors in the uk

Certain microclimates around the UK allow lucky growers to plant outside during March. Cultivators in the Scilly Isles, Anglesey and Dungeness usually see the last frost around late February.. Pay close attention to the forecast and decide whether the risk might pay off. Make sure to keep a backup crop growing indoors just in case.

Start weeding your beds and dressing them with high-quality compost. Layer them with straw or wood chip mulch to trap moisture and prevent weeds from returning. If you’re growing in containers, dress them with good compost, too. Start cleaning out and preparing your polytunnel or greenhouse, if you’re lucky enough to have one. Scrub down any algae from the glass panels, brush out debris, and get it ready to host your cannabis plants in the coming weeks.

Day length March 1st: 10h 57m
AVG temperature: 3–10°C

MARCH

North-east: Arctic winds from the north bring cold winters, cool summers, steady rain, and a shorter growing season. Includes Newcastle, York, Edinburgh, and Aberdeen.

A complete month-by-month guide to growing cannabis outdoors in the UK.

The UK features four climate segments:

Below, we’ll generalise and focus on the south-east, south-west, north-east, and north-west, while touching on specific locations along the way. It’ll help if you do a little more research on your specific area just to make sure you have all the bases covered.

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.

Here are the traits your outdoor strain needs to include:

Now that we know what makes a good strain to grow outdoors, it’s time to look at some recommended cultivars. Here are 5 of the best early-finishing outdoor strains to grow in 2020:

Critical Kush

Sweet ZZ is our own version of the legendary Zkittlez. With its fruity aroma and succulent flavour, it’s top favourite for all candy-loving cannabis growers.

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.

Honey Cream Fast Flowering is one of our recently updated favourites. This variety is very popular in Spain due to its sweet, creamy aroma, but you can grow it virtually anywhere in Europe.

Besides its short flowering period and amazing flavour, Honey Cream convinces with a solid indica background composed of BlueBlack (Blueberry x Black Domina), Maple Leaf Indica (100% Afghan indica), and White Rhino. These three strains give Honey Cream FF an indica-dominant genetic profile, but there’s also a decent amount of sativa potency from White Widow, the predecessor of White Rhino. When things go well, plants reach outdoor heights of 180–250cm and yield up to 675g/plant.