How to take Care of Your Cannabis Seedlings

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Although the seedling stage of cannabis is short, usually just 2-3 weeks, it is crucial to the entire cannabis cultivation process. If something goes wrong with your cannabis plant at this stage, nothing that follows will work out! How to take Care of Your Cannabis Seedlings?

What you should do during seedling stage?

SEEDLING STAGE

During the seedling stage, the hard, black husk that contains all the genetic information of your plant absorbs water and nutrients to germinate in a warm, humid environment. After water gets into the seed it begins to extend outward with white roots and digs deep into the soil. At the same time, your plant will also send out a bud to find light. The two cotyledons originally contained in the seed begin to appear, and then the first set of true leaves will grow.

Start by choosing the right container and growing medium for your cannabis plant. For the growing medium, choose a soil with a pH between 6.3-6.5, which is slightly acidic, and adding the proper amount of perlite can make the soil more aerated and help with drainage.

To grow seedlings, you can use germination pots or some small plastic cups and transplant the seedlings into pots after they have developed their first set of true leaves—or plant them directly into their final pot if you don’t want to always transplant (although we don’t recommend this). Most strains fit in 3-gallon pots.

Factors of growing healthy cannabis seedlings

Low light intensity: young plants can’t handle high-intensity light, so you can use adjustable LED grow lights or other lower-wattage grow lights like fluorescents or incandescent bulbs. Plants at this stage need more blue light to provide energy for vegetative and stem growth. With the VIVOSUN AeroLight, you can adjust the intensity and spectrum of light, making it a great tool for all stages of growth.

Nutrients: Excessive nutrients can cause your seedlings to suffer nutrient burn. When your seedlings are just starting to grow in the first 1-2 weeks, choose light mixes to fertilize. After two weeks you can increase the fertilizer appropriately.

pH: We advise you maintain a soil pH between 6.3-6.5, and never exceed 7. This way your plants can fully absorb all the nutrients in your medium.

Temperature and humidity: Seedlings are sensitive to temperature and humidity: they prefer a warm and humid environment. Seedlings will thrive in an environment of 72 to 79 °F (22 to 26 °C), and 65 to 80% humidity.

Proper distance between grow lights and plants: If you’re using low-intensity lights, you can start with a 4-inch distance. Then place your hand on top of the plant for 30 seconds, if it feels warm but not hot, that’s appropriate, if not, adjust the height of the light based on how lean feels.

Note: How to choose a pot

The best containers for growing cannabis are of course fabric grow bags. It is possible to grow cannabis by choosing cheap plastic pots, but you need to pay attention to the following points when choosing a pot:

  1. Aeration: Plant roots that are in contact with air are “air pruned,” meaning you reduce the chance of getting rootbound plants. While outdoor plants have more than enough room to spread out, plants in pots can get bound up quickly.
  2. Pot size: We don’t recommend putting seedlings in a very large pot as this makes it difficult to control the amount of water. Too little water will not penetrate all the soil, and too much can drown your seedlings. There is no problem in choosing a small pot, as long as you are willing to transplant.

How to water your cannabis seedlings?

How to take Care of Your Cannabis Seedlings

Seedlings have very small roots, and don’t need a lot of water. If you can’t control the amount of water you’re giving to them well, pay attention to the changes in the growing medium in the pot when watering. Water until the growing medium is completely moist, but not overflowing. This is the right amount for each watering; watering your seedlings 1-2 times a day should provide enough water.

Wrap-up How to take Care of Your Cannabis Seedlings

The process of going from a seed to a plant is wonderful and magical—we witness the birth of life. I’m sure you must be very excited when you first grow a seedling, that’s where it all started. If you don’t do well at this stage, your grow will be off to a bad start. We have to be careful with these fragile little things, and planting always requires patience, doesn’t it? To learn more about growing, please subscribe to our newsletter!

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