How tall do weed plants grow outdoors?

10 feet tall
Whatever you decide, think about how big you want your final plant to be—outdoor cannabis plants can grow to 10 feet tall or even more, depending on how much you let them go. Garden plot: Probably the most common outdoor growing spot, many will plant cannabis alongside other growing veggies.

What’s the tallest weed plant?

Streeter believes the thistle measuring approximately 11 feet, 6 inches is the tallest in the world. A thistle is a type of weed that generally grows in dry soil, according to the U.S. Wildflower.

How long will a weed plant live?

Cannabis is an annual flowering plant, its life cycle limited to just one season. In the wild, it grows from a seed, flowers, and dies, all between spring and fall.

Why is my plant growing tall and skinny?

The most common cause of legginess is an insufficient or uneven access to light. When the light source is too dim or distant, seedlings grow quickly in height to get closer to that light. As the seedling gains height, it sacrifices in girth and strength, resulting in thin, pale, fragile, stretched-out stems.

What is the optimal height for cannabis plants?

Bearing the sturdy genetics of Cannabis Ruderalis, these notorious early finishers are also winners in the most compact size marijuana plants category. Experts state that autos rarely exceed 20 inches in height but are most commonly ranging anywhere between 7 and 15 inches.

How should I top my marijuana plant?

How to Top Marijuana Plants Select the plant stem, just below the growing tip; Make a clean cut just above the lower internode; Allow at least one internode to form before topping again.

What is the average height of a marijuana plant?

Keep in mind that a single marijuana plant can grow to five feet tall with a wingspan (distance left to right) of two to three feet. That can fill up a room rather quickly. The key point when planning your grow is to give each plant plenty of space.

How big do indoor marijuana plants get?

It’s an herbaceous annual that can grow to a height of 8-12 feet (4 to 5.4 meters), with reports as high as 20 and 25 feet (the indica variety tends to be squatter). The plant has flowers that bloom from late summer to mid-fall, when grown outdoors. Of course, plenty of people grow cannabis indoors, too.