“Why are my cannabis seedling’s leaves curling down?”
Here are the most frequently asked questions about cannabis seedling problems to help you understand a bit more and help you deal with them. Just remember that different problems may have similar symptoms so make sure you are 100% sure about what the problem is before taking drastic measures.
In order to avoid all the cannabis problems mentioned throughout the article, here are the main tips that will help you avoid them and keep your cannabis seedlings healthy and happy.
How to fix it
“Is the substrate super important for seedlings?”
Seedling problems related to nutrients are usually caused by giving nutrients too soon, giving too many nutrients at once or “hot” super soil or pre-amended soils.
How to fix it
Giving too many nutrients at a time can cause problems overnight, so we recommend watering your seedling with plain water and taking a look at the following table so you prevent any seedling problems related to nutrients.
“When is it safe to put my cannabis seedlings under the light?”
Now that you know what healthy young cannabis plants look like; let's take a look at some common seedling problems to avoid so your plants grow as fast and healthy as possible!
Other Nutrient Problems
Not Enough Light = Stretched, “Leggy,” Tall Seedlings
1. Germinating: 1-7 days
2. Seedling: 2-3 weeks
3. Vegetative: 2-8 weeks
4. Pre-Flowering: 1-2 weeks
5. Flowering: 6-8 weeks
How to tell if your plant is a male or female
Cannabis growth is made up of a series of stages that plants undergo during their lifecycle. Each stage during the cannabis cultivation process requires its own unique demands, including different levels of light, water, and nutrients.
Female: Two pistils (the pistil contains the reproductive parts of a flower) will be growing on the buds (flowers grow above these leaves, one cluster on each side).
Male: Small green sacs full of pollen will be seen on the node areas.