The start of the flowering period outdoors and how long your plants are going to flower for depends highly on the strain that you have chosen to grow. Some indicas are ready to harvest at the beginning of September, whereas other sativa strains are ready from December onwards. This is why you should always pay close attention to the strain that you’ve chosen to grow. You can also grow autoflowering plants, which we’ll discuss now.
Autoflowering cannabis plants are another widely available option when it comes to growing cannabis; these strains do not need any sort of change in photoperiod in order to start flowering; they’ve developed their own automatic flowering system. They’ve adapted and survived in colder areas this way, allowing them to flower when they reach a certain size rather than depend on the light or dark to produce potent, hefty flowers. Nowadays you can get plants that flower after just 60 days.
When it comes to cannabis plants, the pre-flowering period is a sign that your plants are going to start flowering soon – they’ll begin to slowly show signs of flowering, growing thicker and thicker flowers as summer goes on. The first thing you’ll notice is the plants’ sex (male, female or hermaphrodite) which is why it’s called pre-flowering. You’ll soon start to notice your plant growing much taller than before, as it’s probably preparing to hold up massive flowers.
You will also need to prepare your plants’ structure for an intense flowering period, so that it can easily hold up hefty buds in the future and also spend more energy on making larger flowers. You’ll need to strengthen your plants’ natural strengths and immune system using organic products in order to ensure that no insects or fungi can get near your beautiful specimens. If your plants start flowering on the right foot, they’ll have a much easier time reaching the harvest date fully intact. Once they begin to flower, you’ll need to start feeding your plants using a more complete and intense nutrient schedule.
Photoperiodism happens when there’s a variation between the hours of darkness at night and sun during the day time, which change depending on how the earth is spinning in relation to the sun. This causes seasons to change which therefore influences the amount of daylight hours and hours of darkness at any given time of the year.
The start of spring is introduced by the spring equinox, which happens around 20-22 nd March in the northern hemisphere. In the southern hemisphere, this happens around 21-22 nd of September.
In order to know exactly when your plants are going to flower outdoors, you’ll need to understand how it works and the concept of photoperiodism. You’ll also need to know when the light begins to change outdoors during the day and nighttime – flowering in cannabis plants is generally caused by an increase in the hours of darkness that your plants receive.
Knowing exactly when your plants are going to begin their flowering period is incredibly important – depending on how you prepare your growing area and how you prepare your plants for such a delicate phase, you’ll obtain better or worse results. However, keep in mind that many different factors are involved when growing cannabis successfully, so we’re going to give you a few tips on how to deal with your plants, answering the age-old question: when does cannabis flower outdoors?
Photoperiodism is the word used to describe a process that naturally occurs in certain types of plants – they use light in order to know when they have to grow and when they have to flower, furthering their species and eventual evolution.
When does cannabis flower outdoors? Find out more here; everything you need to know about photoperiodic cannabis plants and when they flower outdoors.
Since we know the factors that can lead to more stretching, reducing how much a plant stretches is just a matter of acting on those factors.
Plant Training – Although training itself does nothing to slow down stretching, it does give growers a good way to manage it. For example, if branches are set to grow vertically by low-stress training, a stretch can actually be beneficial since so much of the plant will be receiving light. Plant training can come in the forms of low-stress training, manifolding, topping, fimming, and more. These techniques are used in the vegetative stage to get your plant to grow the way you want in the flowering stage.
I personally had a stretch where there was no longer any room to raise the lights. I used a CFL/LED combination at the time, and the LEDs absolutely cooked the buds underneath it until I got desperate and cut the stuff that was too close. I would handle that situation differently now, but it shows that no one is immune if they’re unaware.
The flowering stretch is not necessarily a bad thing! As long as you know what to expect, you can use it to your advantage.
- CFL and fluorescent grow lights should be kept a few inches from your plants.
- For MH/HPS lights it depends on the size of your light.
- For LEDs it’s different for each model so you should always check with the manufacturer, but it’s generally recommended to keep most LEDs 12-18″ away, though some of the most powerful LED grow lights need to be kept even further away.
You don’t always need the space when you plan like this, but it allows you to easily deal with the times when your sweet little babies turn into monsters like this:
Not too bad right? It’ll seem even easier with an example! Here’s how it would work for my tent (math is below the picture):
This makes for a great example of how small or large a stretch can be. Notice that the plant on the left (818 Headband) gains only a few inches while the plant on the right almost doubles in size! And even this picture is misleading once you realize that by the end of the .gif, the plant on the left is actually raised an extra foot higher off the ground! Note: This was done to keep the plants somewhat equidistant from the lights.
Cannabis plants grow a lot taller right after they start making buds. This is known as the "flowering stretch" and you can use it to your advantage to make longer buds!