My routine of cultivating the Pandan plant (Pandanus Amaryllifolius) from matured ones is to carefully clip off the babies which have strong aerial roots and (as in an earlier post) develop more roots in water.
Of late I have been receiving inquiries about what happens thereafter, what containers would be best to use and how to know when the roots are matured enough to be repotted or planted into the ground. This is not professional advice or what nurseries might do ~ it’s strictly my method, OK? (So no finger pointing and lawsuits please, try at your own plant’s risk.)
After sufficient roots have developed in water (in about 3 weeks) I plant them in potting soil with a pinch of epsom salt. I use disposal drinking cups as I find them deep, thin, pliable, light and reusable. I make a small hole in the base for drainage using a hot skewer.
And these soft cups allow me to wet the soil, gently press their sides and slide the “baby” plants out to monitor their root growth.
When the roots reach the cup’s base and grows in shape of its circumference, then I know it’s ready to leave its nursery-cup to go into a pot.