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Autoflowering strains provide fantastic results in little time, often surging from seed to harvest in as little as 8 weeks. Both beginner and advanced growers will have a fun and easy time raising these varieties. Autoflowering grow guide: How to grow autoflowers week by week 5. Autoflowering grow guide: How to grow autoflowers week by week 5.

Autoflowering cannabis plants are hardy, fast, and easy to cultivate in confined spaces. Autoflowering strains typically move from seed to harvest in 8–10 weeks. However, some varieties can take up to 12 weeks to fully mature. Strains such as Bubble Kush Automatic and Quick One fall towards the faster end of the spectrum, whereas varieties like Royal Creamatic and Royal Haze Automatic take a few more weeks to ready their buds for harvest. Many growers elect to cultivate autoflowers because of their speedy growing rate. Their hardy genetics and forgiving nature also make them easier to grow and therefore more beginner-friendly.

Their impressive resistance to pathogens and pests allows them to withstand the challenges of outdoor growing. However, their yields aren’t as spectacular as those obtained from photoperiod giants, but, the trade-off for brevity makes the decision worthwhile for most growers. As the name suggests, autoflowering strains don’t require a change in the light cycle to enter the flowering stage. Many growers choose to keep their autoflowers on a light schedule of 18 hours on and 6 hours off during the entire growing cycle. Other cultivators choose to keep their lights on around the clock in hopes of maximising photosynthesis and growth rate, however, this can get quite expensive. Because of this unique trait, outdoor growers can achieve multiple harvests during a single growing season. By germinating seeds week after week in early spring, you can theoretically rake in your first harvest after. 8 weeks, with subsequent weekly harvests when growing fast strains. The pH value of your soil will determine how well your plants can access the nutrients within. If the pH becomes too high (alkaline) or too low (acidic), nutrient lockout will occur and deficiencies will set in. Cannabis plants thrive in a soil pH of between 6.0 and 6.5. AUTOFLOWERING GROW GUIDE: HOW TO GROW AUTOFLOWERS WEEK BY WEEK. Follow the fail-safe week-by-week grow guide below for a quick and easy route to harvest time. We cover all of the parameters and variables you need to consider—at the correct times—to ensure your plants remain healthy, vigorous, and productive. (Week 1) (Week 2) (Week 3) (Week 4) (Week 5) (Week 6) (Week 7) (Week 8) (Week 9) (Week 10) WEEK 1: GERMINATION AND EARLY SEEDLING STAGE. During this time, your seeds will activate and send a root down into the soil and a shoot above the surface. To begin the germination process, you’ll need to prepare a suitable soil mix. Autoflowers don’t need as much nutrients as photoperiod varieties and prefer light and airy soil. You can make your own potting mix using the following formula: 3 parts peat moss 3 parts compost 2 parts perlite, moistened 1 part vermiculture, moistened. After you’ve prepared the mix, add some Easy Boost Organic Nutrition to the blend. These pellets will slowly release adequate levels of nutrition into the soil, providing foundational elements and minerals for the entire growing cycle. Add some mycorrhiza to the soil to help your plants flourish later down the line. These symbiotic fungi will bind to the root system and help your plants uptake nutrients more effectively. Next, poke a 10–15mm hole into a pot with your soil mix. Sow your seed directly into its final pot to avoid the stress of repotting later down the line.

Transplanting causes plants to go into shock, and autoflowers grow so fast that they’ll struggle to recover.

Place a seed in the hole and cover lightly with soil. You’ll see your seedling emerge in the next few days. Environmental factors play a key role in optimal germination. Aim for the following to boost your success rate: 70–90% relative humidity (RH) 22–25°C air temperature. Your seedling has now emerged and the process of photosynthesis has started.


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