Leggy marijuana seedlings7/1/2023 ![]() ![]() This period of marijuana plant growth is an important one for training the shape of the plant by pruning and providing structure. During its vegetative stage, it’s focusing on its height and foliage. It needed some as a seedling for root system development, and it will again as a flowering plant. Fertilizer for a vegetative cannabis plant should deliver nitrogen and some potassium, but the plant won’t need any phosphorus right now. A balanced amount of NPK (nitrogen, phosphorus, and potassium) fertilizer will be important to support healthy root, cell, and leaf growth, which will help it better resist any stress it may come under as the plant grows.Īs the plant gets bigger more quickly, it will need increasingly more water for its larger roots and body. Although they like a humid environment, it shouldn’t get too humid. ![]() The plants are especially susceptible to mold damage at this stage. Seedlings can receive low intensity light just several inches above them, unlike mature plants, which need several feel between themselves and a much higher intensity light.įrom the start of germination and throughout the following two to three week period, the seedlings will take all the light they can get, and should be lit between 18 and 24 hours a day. This leggy growth is known as reaching: it grows long to reach closer to the light source. If the seedling isn’t getting enough light, it will have a very long stem and not many leaves. Once the seedling grows into a vegetative stage, the leaves will consistently have five, or as many as nine, fingers on each fan leaf. The jagged-edged “finger” leaves of the cannabis plant will start to sprout, first growing single fingered leaves, then three fingers, then five. As the seedling grows, it’s able to store a little water in its roots and leaves. The marijuana plant will spend between two and three weeks as a seedling, a tiny plant that is still developing strong roots and stems to support itself. ![]()
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