Choosing between autoflowering and photoperiod cannabis strains is one of the most crucial decisions a grower can make. Each type offers unique benefits and challenges, influencing not only the cultivation process but also the final yield and potency of the cannabis produced. As cannabis cultivation continues to evolve, both novice and experienced growers are looking for ways to optimize their harvests. Whether you’re aiming for high yields, potent THC levels, or a quicker turnaround, the distinctions between these two types of plants is essential.
What Are Photoperiod Cannabis Plants?
Photoperiod cannabis plants are the cornerstone of traditional cannabis cultivation. These plants are photoperiod-sensitive, meaning their flowering stage is triggered by changes in the light cycle. In nature, photoperiod plants begin flowering as the days shorten towards the end of summer. For indoor growers, the flowering phase is typically initiated by switching the light schedule to 12 hours of light and 12 hours of darkness.
One of the key advantages of photoperiod plants is the control they offer to the grower. By manipulating the light cycle, growers can extend the vegetative phase, allowing the plant to grow larger and produce more significant yields. This level of control makes photoperiod strains ideal for experienced growers who are willing to invest more time and effort into their cultivation process.
However, this control comes with added complexity. Photoperiod plants generally require more precise care and attention, as any disruption in the light cycle can negatively impact the plant’s growth and yield. They also tend to have a longer growth cycle, often taking 12 to 16 weeks from seed to harvest. This extended period allows for larger plants and higher yields, but also demands more time, space, and resources.
For those seeking high potency and substantial yields, photoperiod strains are often the preferred choice. Strains like Mamba Negra and Granddaddy Purple from Blimburn Seeds exemplify the potential of photoperiod plants, offering robust growth and THC levels that can reach up to 30%.
Exploring Photoperiod Strains from Blimburn Seeds
- Mamba Negra: This photoperiod strain is known for its high THC levels and rich, full-bodied effects. With a flowering time of 8-10 weeks, Mamba Negra produces dense, resinous buds that deliver a potent, long-lasting high.
- Granddaddy Purple: A classic indica strain, Granddaddy Purple offers not only high yields but also a deeply relaxing effect, perfect for evening use. It requires careful management of light cycles but rewards growers with THC levels up to 28%.
What Are Autoflowering Cannabis Plants?
In contrast to photoperiod plants, autoflowering cannabis plants offer a more straightforward approach to cultivation. These plants are not dependent on changes in the light cycle to begin flowering. Instead, they automatically transition from the vegetative stage to the flowering stage after a specific period, typically around 2-4 weeks after germination.
The origins of autoflowering plants can be traced back to the incorporation of Cannabis ruderalis genetics, a variety of cannabis that evolved in the harsher climates of Central Asia, Eastern Europe, and Russia. The hardy nature of Cannabis ruderalis enables autoflowering strains to thrive in a variety of environments, making them an attractive option for both indoor and outdoor cultivation.
One of the most significant advantages of autoflowering strains is their shorter growing time. Most autoflowers can be harvested within 8 to 12 weeks from seed, offering a quicker turnaround than photoperiod strains. This rapid growth cycle allows for multiple harvests in a single season, making autoflowers ideal for growers who prioritize speed and efficiency.
Autoflowering plants are also generally smaller and more compact than photoperiod plants, making them easier to manage and more discreet. This characteristic is particularly beneficial for growers with limited space or those cultivating in less conspicuous environments.
However, there are some trade-offs to consider. Autoflowering strains typically yield less than photoperiod plants, with average yields ranging from 400-600 g/m2. Additionally, while autoflowers have respectable THC levels, they are often slightly lower than those found in photoperiod strains, usually maxing out around 20% THC.
Notable Autoflowering Strains from Blimburn Seeds
- Girl Scout Cookies Auto: A popular autoflowering strain, Girl Scout Cookies Auto offers a balanced blend of potency and flavor. With a THC content of 22-24%, this strain provides a strong, euphoric high and a quick flowering time of 8-9 weeks.
- Blue Dream Auto: Known for its sweet berry aroma and balanced effects, Blue Dream Auto is a top choice for those seeking a reliable and easy-to-grow strain. It typically reaches maturity in 9-10 weeks and delivers a smooth, uplifting high.
Differences Between Photoperiod And Autoflowering Cannabis Strains
The differences between photoperiod and autoflowering cannabis strains is essential for making informed decisions about your grow. These differences extend beyond just the cultivation process—they also impact the quality and quantity of the final product.
Growing Time (Seed to Harvest)
The growing time from seed to harvest is one of the most critical factors to consider when choosing between photoperiod and autoflowering strains. Photoperiod plants generally have a longer growing time, taking between 12-16 weeks to reach full maturity. This extended growth period allows photoperiod plants to develop more extensive root systems and larger canopies, which can result in higher yields.
In contrast, autoflowering strains are known for their shorter growing time, usually maturing within 8-12 weeks. This rapid growth cycle is a significant advantage for growers looking to achieve multiple harvests in a single season or those who prefer a quicker turnaround. The shorter growing time of autoflowers also means less exposure to potential environmental risks, such as pests and diseases, which can be a concern in longer grows.
Yields
Yield is another important consideration when comparing photoperiod and autoflowering strains. Photoperiod strains are known for their higher yields, often producing between 650-700 g/m2 under optimal conditions. The longer vegetative stage of photoperiod plants allows them to grow larger and produce more buds, resulting in more abundant harvests.
Autoflowering strains, on the other hand, typically produce lower yields, averaging 400-600 g/m2. While this might seem like a disadvantage, the shorter growth cycle and ease of cultivation make autoflowers a viable option for growers who prioritize speed and simplicity over quantity.
How to Choose Between Autoflowering and Photoperiod Strains
Selecting the right type of cannabis strain depends on various factors, including your growing environment, experience level, and desired outcomes. Here’s how to make the best choice for your needs:
Consider Your Growing Environment
Your growing environment plays a crucial role in determining whether to choose autoflowering or photoperiod strains. If you’re growing indoors with limited space, autoflowering strains are often the better choice due to their compact size and shorter growth cycle. They’re also ideal for outdoor grows in regions with shorter growing seasons.
On the other hand, if you have ample space and the ability to control your light cycles meticulously, photoperiod strains may offer more rewards in terms of yield and potency. Outdoor growers in regions with longer growing seasons may find photoperiod strains to be particularly beneficial, as the natural progression of daylight can support a full growth cycle, leading to larger plants and higher yields. Additionally, photoperiod strains offer more flexibility in shaping and training the plants, which can be an advantage in controlled indoor environments.
Assessing Your Experience Level
Your level of experience as a grower should also guide your decision between autoflowering and photoperiod strains. Autoflowering strains are generally more forgiving and easier to grow, making them ideal for beginners. Their automatic transition to flowering reduces the need for strict light cycle management, which is often a challenge for new growers. Moreover, their shorter growth cycle means that mistakes are less costly, as you’ll be able to start over with a new crop in a relatively short amount of time.
Conversely, photoperiod strains are better suited for experienced growers who are confident in managing light cycles, nutrients, and training techniques. Controlling the vegetative phase offers more flexibility in the growth process, but it also requires more careful attention and a thorough knowledge of cannabis cultivation.
Desired Yield and Potency
If your primary goal is to achieve high yields and maximum potency, photoperiod strains are likely the better option. These plants, given their longer vegetative phase, can grow larger and produce more buds, resulting in higher overall yields. Additionally, photoperiod strains often have higher THC levels, which can be a crucial factor for those seeking potent effects.
However, if you’re looking for a faster turnaround with multiple harvests throughout the year, autoflowering strains might be the way to go. While autoflowering strains generally produce lower yields, their quick growth cycle allows for more frequent harvesting, which can compensate for the lower output per plant. Plus, with advancements in breeding, many autoflowering strains now offer respectable THC levels, making them a viable option for those seeking potency as well.
Best Practices for Growing Autoflowering Cannabis
To maximize the potential of autoflowering cannabis plants, it’s essential to follow best practices tailored to their unique characteristics. While autoflowers are easier to grow, their specific needs can lead to even better results.
Light Cycles and Autoflowers
One of the significant advantages of autoflowering strains is their independence from light cycles for flowering. However, providing a consistent light schedule can still influence their growth and yield. Many growers opt for a 20/4 light cycle (20 hours of light and 4 hours of darkness) throughout the entire life of the plant. This extended period of light ensures that the plant has ample energy for robust growth without the stress that can come from continuous light exposure.
Some growers may also use an 18/6 light cycle, which mimics more traditional growing schedules but still takes advantage of the autoflower’s ability to flower under nearly any lighting conditions. The key is to maintain a consistent schedule that allows the plant to thrive without unnecessary stress.
Nutrient Requirements
Autoflowering plants typically require fewer nutrients than their photoperiod counterparts. Their shorter life cycle means that they have less time to absorb nutrients, and overfeeding can quickly lead to nutrient burn, which can stunt growth and reduce yields. It’s often recommended to start with half the recommended nutrient dosage and gradually increase it as the plant shows signs of healthy growth.
Additionally, autoflowers often benefit from a higher ratio of phosphorus and potassium during the flowering stage to promote bud development. Monitoring the plant’s response to feeding and adjusting as necessary is crucial, as over-fertilization can be more detrimental to autoflowers due to their rapid growth cycle.
Common Mistakes to Avoid
Even though autoflowers are easier to grow, some common mistakes can hinder their performance. Overwatering is a frequent issue, as the smaller root systems of autoflowering plants don’t require as much water as photoperiod plants. Ensuring proper drainage and allowing the soil to dry out slightly between waterings can prevent root rot and other water-related issues.
Another common mistake is transplanting autoflowers. Due to their short lifecycle, the stress of transplanting can significantly impact their growth. It’s generally recommended to plant autoflowers directly into their final container to avoid this issue. Additionally, while some light training techniques can be beneficial, high-stress training (HST) methods should be avoided as they can stunt growth and reduce yields in autoflowers.
Maximizing Yields with Photoperiod Cannabis
For growers aiming to achieve the highest possible yields, photoperiod cannabis strains offer the best potential. However, maximizing these yields requires careful planning and precise execution.
Optimizing Light Cycles
Photoperiod plants are highly sensitive to light cycles, which directly influence their growth stages. During the vegetative phase, providing 18-24 hours of light per day encourages rapid growth and allows the plant to develop a strong structure and extensive root system. Once the plant has reached the desired size, transitioning to a 12/12 light cycle will induce flowering.
Maintaining consistency in light cycles is critical for photoperiod plants. Any disruptions or inconsistencies can cause the plant to revert to vegetative growth or, worse, induce hermaphroditism, where the plant develops both male and female reproductive organs, potentially leading to seeded buds and reduced quality.
Training Techniques for Better Growth
Training techniques such as topping, low-stress training (LST), and the Screen of Green (SCROG) method are commonly used to maximize the yield of photoperiod plants. Topping involves cutting the main stem to encourage the growth of multiple colas, leading to a bushier plant with more bud sites. LST involves gently bending the branches to allow more light to penetrate the canopy, promoting even growth and larger buds.
The SCROG method involves placing a screen above the plants and weaving the branches through it as they grow. This technique ensures that all parts of the plant receive adequate light, leading to more uniform bud development and increased yields. These techniques require careful timing and attention, but when executed properly, they can significantly enhance the yield and quality of photoperiod plants.
Managing Nutrient Schedules
Photoperiod plants generally have more extended nutrient requirements due to their longer growth cycle. During the vegetative stage, a balanced nutrient regimen rich in nitrogen is essential for healthy leaf and stem development. As the plant transitions to flowering, shifting to a nutrient mix higher in phosphorus and potassium supports bud formation and resin production.
It’s important to monitor the plant’s nutrient uptake and adjust the feeding schedule as needed. Over-fertilization can lead to nutrient lockout, where the plant is unable to absorb nutrients, resulting in deficiencies and reduced yields. Regularly checking pH levels in the soil or growing medium can help prevent this issue, ensuring that nutrients are readily available for uptake.
Top Autoflowering Strains from Blimburn Seeds
Blimburn Seeds offers a variety of high-quality autoflowering strains that cater to different tastes and growing conditions. Here are some of the top picks:
AK 47 Autoflower
AK 47 Autoflower is a robust and reliable strain that delivers a balanced mix of potency and yield. With THC levels ranging from 17% to 21%, this strain provides a strong, cerebral high that’s perfect for both recreational and medicinal use. The plant typically reaches maturity in 8-10 weeks, making it a great choice for growers looking for a quick turnaround.
Blackberry Moonrocks Autoflower
For those seeking a potent autoflowering strain, Blackberry Moonrocks Autoflower is an excellent choice. This strain boasts THC levels between 26% and 33%, making it one of the most potent autoflowers available. It’s ideal for experienced users looking for a powerful high, and it also matures within 8-10 weeks.
Cherry Pie Autoflower
Cherry Pie Autoflower is known for its sweet, berry-like flavor and uplifting effects. With THC levels ranging from 21% to 25%, it offers a balanced high that’s both relaxing and euphoric. This strain is easy to grow and reaches full maturity in 8-10 weeks, making it a favorite among beginners and seasoned growers alike.
Pros and Cons of Growing Autoflowering vs. Photoperiod Strains
When deciding between autoflowering and photoperiod cannabis strains, it’s helpful to weigh the pros and cons of each to determine which best suits your growing goals.
Pros and Cons of Growing Autoflowering vs. Photoperiod Strains
| Aspect | Autoflowering | Photoperiod |
|---|---|---|
| Growing Time | Shorter cycle (8-12 weeks) Ideal for multiple harvests per year | Longer cycle (12-16 weeks) Requires more time but allows for greater control |
| Yields | Lower yields Ideal for quick, discreet grows | Higher yields Perfect for maximizing production |
| THC Levels | Lower THC content Suitable for recreational users | Higher THC content Recommended for experienced users |
| Growing Difficulty | Easier to grow Less maintenance and no light cycle changes required | Harder to grow Requires light cycle changes and more attention to detail |
| Advantages for Growers | Fast and discreet cycle Ideal for beginners and indoor grows | Greater control and yield potential Better stress recovery and management |
| Disadvantages | Lower yields and potency Not suitable for high-stress training (HST) | Requires more time and experience More maintenance and light control needed |
Which Is Right for You?
The choice between autoflowering and photoperiod cannabis strains depends on your specific needs and growing conditions. If you’re looking for a fast, easy grow with the potential for multiple harvests, autoflowers are an excellent choice. They’re particularly suitable for beginners or those with limited space or time.
On the other hand, if you’re an experienced grower aiming for maximum yields and potency, photoperiod strains offer greater control and the potential for a higher-quality product. The key is to understand the unique characteristics of each type and how they align with your cultivation goals.
Whether you choose autoflowering or photoperiod strains, Blimburn Seeds offers a wide variety of options to suit your needs. With top-tier genetics and a commitment to quality, Blimburn Seeds ensures that every grower can find the perfect strain for their garden.
