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uk outdoor weed seeds

Except autoflowering seeds, the flowering of marijuana strains is seasonal, which means that outside growers in the UK germinate their seeds between April and May and, depending on the species, harvest between mid-September and the end of October.

Tip: check our feminized Sexxpot cannabis seeds

Top 5 best cannabis seeds for the UK climate

The Northern Lights autoflower is probably one of the most robust species in our range. Instead of flowering during the transition from summer to autumn, it flowers based on age. Because this species is strong and also less dependent on the weather, this species is suitable for outdoor growing in the UK.

In our top 5 you will therefore find the five most robust types of weed that can produce excellent results even in the most ruthless circumstances.

OG Kush contains 75% Indica genes. It’s a very strong strain that can be grown in almost any climate. From cold climates to warm climates. This species is robust and is capable of producing high quality weed even in the deplorable outdoor conditions of 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.

April brings a significant improvement in weather and sunlight. Bluebells, wild garlic, and other aromatic spring flowers lead the charge of emerging plant life. Although April brings a nice, warm heat, frost still poses a significant risk. Growers in most regions will need to keep their plants indoors under lights and on windowsills for a couple more weeks to be safe. However, cultivators with greenhouses or polytunnels will be able to safely move their plants to these structures during April.

The UK features four climate segments:

MARCH

March marks the official start of spring. However, things are still pretty chilly in most of the country. But this doesn’t mean growers can’t get a head start indoors. Start germinating your seeds and placing emerging seedlings under LED lights or on a sunny windowsill.

South-west: This area of the country sees mild and very rainy winters contrasted by warm and wet summers. Tropical winds from the south extend the growing season. Includes Cornwall, Devon, Bristol, and Cardiff.

South-east: This region experiences cold, biting winters along with warm, dry, and pleasant summers. Continental winds keep things relatively dry in general. South-east UK encompasses London, Brighton, Cambridge, and Norwich.

Growing cannabis outdoors in the UK usually involves (at least) one consistent weather condition: rain! Your plants will rarely go thirsty or wilt from the heat. The UK experiences a temperate climate defined by cool, wet winters and warm, wet summers. The country rarely experiences extreme weather events, although flooding and droughts do occur from time to time. The UK sees an average of 133 days of rain and around 1,350 hours of sun per year. This fine balance of rain and sun gives plants plenty of the key resources to develop properly.

Hollands Hope is one of the best cannabis strains for outdoor growing in the UK as it’s a very stable hybrid with predetermined outcomes. Flowering for about 8 weeks, Hollands Hope can be harvested near the end of September. Buds develop a golden-green colour when ready for harvesting and contain about 15% THC. Hollands Hope grows under 1 metre (80 – 90 cm) so it’s excellent for ‘gorilla’ grows and produces over 450+ grams of potent bud per plant.

Blue dream is a sativa strain that is mostly used for relaxation purposes. Growing it guarantees huge yields as well as sweet tasting buds after 10 to 11 weeks of cultivation under the suitable conditions.

The following are the premier cannabis seed strains as far as UK outdoor growing is concerned.

Black Widow

Those in the warmer south-west can enjoy growing longer-flowering sativa varieties. Haze Berry provides a stimulating cerebral high, berry-flavoured terpenes, and a rewarding yield. She’ll pump out up to 650g/plant after a flowering time of 9–11 weeks when grown in containers or garden beds. A cross between Super Silver Haze and DJ Short’s famous Blueberry, Haze Berry is an 80% sativa hybrid that has become quite popular for its combination of sweet berry, indica-like flavours and sativa highs.

Not every grower in the UK enjoys such seasonal warmth as the south-west. Those up in Northern Scotland and the Highlands need something that can handle a shorter growing season and cold snaps—a strain like Critical. This descendant of Afghani and Skunk provides a well-balanced high that wakes up the mind while relaxing the body. Her bushy indica morphology and hardy genetics can handle the cold with ease. Enjoy a yield of 600–650g/plant after a brief flowering period of 7–9 weeks.

It is therefore advisable for farmers to select fast flowering strains which are able to grow within the short UK growing season. Mould resistant strains and autoflowering strains are also recommended as a remedy for the largely humid UK climatic conditions which may lead to mould infestation on the crops.

The UK has a climate that is generally wetter and colder than that of other countries found in the rest of Europe. This is because its weather is maritime influenced thereby making it have cooler summers and significantly mild winters. While it is true that Cannabis as a plant requires adequate water to grow healthily, excessive humidity can also be extremely detrimental.