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automatic flowering cannabis seeds

Higher THC levels

Grown outside, automatic seeds can produce two or more crops in the course of a normal summer. Under lights, ‘autos’ can go from seedling to fully mature plant in as little as 10 weeks. As an added bonus, most are also very hardy and resistant to fungal infections, mould, pests and even frost, due to their extremely robust, northern Eurasian genetic lineage – the Ruderalis – that evolved the ability to flower at will in order to survive. Seeds that automatically flower can be grown indoors, out of doors or in a greenhouse. In addition, all seeds in this category are feminized and from a wide range of genetics, offering different kinds of flavour, aroma and effect.

This essential characteristic evolved as a necessity for survival in the harsh, inhospitable areas of central Russia where Cannabis Ruderalis, the original autoflowering strain that bred this almost magical ability, originated. Lacking the longer, warmer summers of the Indian continent or the tropical and equatorial zones where (respectively) Indica and Sativa evolved, their relative did not have the luxury of being able to wait for the change in light cycles that signal the beginning of summer to start flowering – the weather would become cold enough to kill the plants before pollination and seeding could take place. Instead, it had to begin flowering as soon as it was old enough in order to have enough time to complete the reproductive cycle and make new seeds. Breeders immediately saw the advantage of this for other strains, and began breeding seeds with this ability to ‘auto flower’.

Ideal for beginners

Feminized autoflowering cannabis seeds are easy to cultivate: They flower without the need to change light cycles or remove males. Automatic seeds are ideal for new growers, and for those who want a low-maintenance growing experience. Sensi Seeds’ sativas, indicas and hybrids (high THC or high CBD) are ideal for medicinal and recreational cannabis users alike.

How is cannabis able to flower automatically?

Autoflowering seeds, on the other hand, are able to complete their life cycle regardless of how long the days are, although at least eighteen hours of light will give the best results. Unlike regular seeds, ‘auto’ seeds grow crops that do not need to undergo the usual cycle of 12 hours of light alternating with 12 hours of darkness in order to bloom successfully, whether they are indica, sativa or hybrid. They seem virtually immune to light pollution, tolerating irregular and unpredictable periods of light and darkness with impunity. Outdoor gardeners with short summers can wait until the warmest weeks to cultivate their automatic cannabis seed crop, safe in the knowledge that most of these hours will fuel the flower production, not the vegetation, period.

These days, autoflowers can satisfy even the most demanding of users: Recreational users won’t have difficulties finding automatic varieties rich in THC, and holistic users can get autoflowers low in THC but high in CBD to benefit from the non-psychoactive cannabinoid.

No list of good cannabis would be complete without the legendary Skunk family. Royal Dwarf blends ruderalis with Skunk, while Sweet Skunk Automatic adds autoflowering magic to Early Skunk and Critical. Spicy and skunky flavours galore!

Popular Autoflowering Cannabis Strains

Outdoors: You are not as beholden to the natural seasons as with photoperiod plants. You can plant your autos at any time of the year, provided there is no frost. Harvest 8–10 weeks after planting. If you plant your autoflowers several weeks apart, you can achieve several harvests per year! Autoflowers are stealthy and compact. This makes them perfect for low-key outdoor operations.

What do you get when you add Cookies genetics to one of the fruitiest Kushes, Fat Banana? That’s right, you get an incredibly fruity cannabis delight. With 22% THC, this one is also remarkably potent, providing a double-whammy for cannabis aficionados.

Optimal humidity for your autoflowers depends on your plant’s age. In the first few weeks, they prefer a more humid environment. Reduce relative humidity to 40–50% when your plants start to flower to reduce the risk of mould.

So, you have never bought seeds online? Let us show you just how easy it can be!

As far as the best lighting schedule for autoflowering plants, growers have a great deal of flexibility to explore and experiment with different options without stressing out the auto flowers plant. Some growers choose to provide 24 hours of continuous light to the auto plants during vegetation phase to maximize growth. The downside of this approach is primarily the cost of lighting, but also that plants (like humans) seem to do better with at least a short period of darkness to rest and repair. Cannabis Plants typically experience healthy growth rates during the nighttime. Therefore consider 20 hours of light followed by 4 hours of darkness to give your plants (and your electric bill) a break. The autos will even flower on 24 hours of light (unlike photoperiod strains which require 12/12), but most autoflower seed cultivators will continue with the 20/4 or 18/6 cycle.

DO – Choose your seeds and supplier carefully. Eliminate any doubt and buy the best autoflowering seeds that you can find online. Not all seeds are created equal, so be sure to choose a reputable USA seed bank that handles and cares for their seeds with the utmost respect.

Auto Critical x Northern Lights Fem Cannabis Seeds

Modern Day Cannabis Breeders

Things to Consider when growing Auto-flowering Seeds

DO – Try different lighting options. As discussed above, there are different options for lighting up your auto strains if growing indoors. Outdoor auto plants can use a lighting boost during veg cycle just to reach optimal size. Do your research for your particular strain and see what other auto growers are doing in terms of LED / HID / CFL / HPS lighting options. Try different combinations and again keep track of your results.

Depending on your state’s local regulations, you may well have restrictions on how many plants that you’re allowed to grow. Autoflower plants are in fact smaller than most typical strains of cannabis, but they do allow for a quick turn-around time. So, if you set things up properly in a well-designed grow room or dedicated weed-cultivation space, you can have a continuous crop of excellent marijuana. With even just four autoflowering plants, you can rotate your planting schedule so that you always have one new auto seed germinating when your most mature plant is ready for harvest.