That depends upon the species.
There are records of tropical pitcher plants (nepenthes) that have grown over sixty feet tall on their vine, however, this is quite rare.
The largest and tallest sundew (drosera) was a d. erythrogyne that grew seven feet tall, had over a thousand leaves and seven hundred flowers.
Some larger sarracenia (north American pitcher plants) can grow four foot tall traps, which make these the largest plant traps in the world. Examples include the endangered S. Oreophila and the common S. Alata.
The discoverers were multiple. I can only give the data recorded.
The potatoe plant will grow to about two feet tall, the part we eat, the 'spuds' grow underground.
as tall as ur mams dildo
The hibiscus plant is a shrub that can grow up to fifteen feet tall.
This tall plant is called the papayrus, discovered by the egyptians. From papyrus we get the word paper.
Cattails can grow almost ten feet tall.
Marijuana is a somewhat weedy plant and may grow as high as 18 ft (5.4 m).
papyrus grows 5-9 feet tall
nothing happens
Tall or fat and grow plant.
up to 8 feet!
This gorgeous plant can grow to be up to 10 feet tall.
You put it in a shade.But make sure to put it by the sun after it grows tall,