Depending on the size of the plant and its pot, no more than every 7-10 days. Here is some info on houseplant watering 101 which will help to determine the frequency. In the winter months when light levels drop, water even less often. Houseplants like to rest in the colder months too.
One may also ask, how do you keep a dracaena plant alive? Water: Dracaena require less water than most indoor plants. Keep them hydrated by misting the leaves with water and keeping the soil lightly misted (never soggy) as well with good drainage. Always allow the top soil to dry out before watering. Do not overwater, as it may cause root rot.
Considering this, how do you prune a Janet Craig plant?
Cut the stalk you removed into 5″-7″ sections with at least 3 or 4 leaves on each. Allow the cut ends of the dracaena stalks to dry out over night. Place the sections into moist sand or very fine potting soil until they have rooted.
How big do Janet Craig plants get?
Although Dracaena deremensis “Janet Craig” reaches heights of 15′ feet in its native Africa, plants grown for indoor use are much smaller in size. Usually propagated as tip cuttings, with 3 to 4 stalks or tips per pot.