Q.variegated ivy tree
How often do I water my variegated ivy tree, and what kind of soil do they require?

Certified GKH Gardening Expert
Allow the plant to dry out between waterings (using the finger testing method--first 1/2 inch beneath soil should be dry) and then water the plant thoroughly. They like moist, well-draining soil with an equal mix of loam or compost, peat moss, and sand.
The following article should be of some help to you: https://www.gardeningknowhow.com/houseplants/ivy/variegated-ivy-care.htm