What are 45 Day Autoflowers?

45-day autoflowers are exactly what they sound like – autoflowing seeds that take around 45 days to finish their flowering growth cycle. That’s pretty speedy, especially when compared to the usual 58 to 75 days that the overwhelming majority of autoflowering strains need to fully develop their buds, depending on the strain and growing conditions.

Autoflowering strains have become super popular in the past 10 to 15 years because they grow really fast, are easy to cultivate (they start flowering under any lighting schedule, unlike traditional photoperiod cultivars), and can give you a crazy-sized yield full of high potency buds in less than three months.

But remember, the 45-day timeframe only refers to the flowering stage. The whole lifecycle will be longer when you factor in germination and vegetative growth stages. Most autos switch to flower production around 25 to 30 days after the seeds sprout.

These types of autos are ideal for growers seeking a fast turnaround, as they transition from seed to harvest in a significantly shorter period compared to traditional strains.

How long do 45 Day Autoflowers take to grow?

Autoflowering cannabis plants, particularly the 45-day autoflowers, have a special little growth cycle, usually taking around 65-70 days from seed to harvest. During this time, they go through the vegetative stage, then the 45-day flowering period, and finally a few extra days to fully mature and develop their desired characteristics.

The main advantage of these quick autos is that they grow insanely fast, which makes them perfect for quick cultivation. With 45-day autos, you can even have multiple harvests in one growing season. This not only maximizes your yield potential but also gives you the chance to try out different strains and cultivation techniques throughout the year. They’re also perfect for outdoor growers with limited growing seasons.

Advantages of growing 45 Day Autoflower seeds

The primary advantages of growing 45 day autoflower seeds include their fast growth cycle, allowing for multiple harvests in a year, but they’re anything but a one-trick pony. Thanks to close to 2 decades of intensive breeding, these strains are now very stable and can produce high-quality buds in large quantities. They’re also resistant to pests and diseases due to their ruderalis genetics, making them perfect for novice growers or those with limited experience.

Additionally, autoflowering strains totally eliminate the need for different lighting schedules, which not only makes it easier to grow them but also allows plants at different growth stages to be under the same light!

Tips for growing 45 Day Autoflowers

If you aim to maximize the yield of your autoflowering crop and extract every ounce of dank deliciousness, there are a few key considerations to bear in mind.

  • Timing – If you’re growing outdoors, it’s best to wait for perfect climatic conditions before planting your 45-day autos. Give them the full 2 to 3 months from seed to harvest, so if you’re planning to grow outdoors, germinate them in the last week of spring or first week of summer for optimal sunlight exposure. and to see the best results.
  • Lighting – Autoflowers love plenty of light. Indoor growers can stick to a 20/4 or 18/6 light schedule throughout the entire life cycle, as autos will flower regardless of the lighting schedule. Outdoor growers should find a spot with the maximum hours of direct sunlight possible.
  • Plant Training Methods – While you don’t want to be too heavy-handed with autos, you can still try some light plant training techniques. Using basic LST, or growing your plants under a SCroG net or using the Sea Of Green (SoG) method should considerably boost the final yield.
  • Nutrient Management – Autos generally don’t require as heavy of a nutrient feed as photoperiod strains, especially in the first few weeks. Check out our guide on the best feeding schedules for autoflowers for some in depth info about timing and dosages. If you’re new to growing autos or growing in general, it’s a good idea to read up on the specific strain you have chosen, and check out any grow diaries from other growers to get some helpful insights.

Who should buy 45 Day Autoflower seeds?

They’re perfect for beginners seeking a quick and easy way to get started, but also for experienced growers looking to maximize their yield potential. And that’s not even going into how great they are for those with limited space or short outdoor growing seasons.

So, what are you waiting for? Grab a few of our fast-finishing, 45 day autoflowering seeds and see what all the fuss is about!


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