Ivy is a lucky plant in that it can grow in many different conditions of soil. Ideally the soil should be rich black soil full of nutrients and consist of a pH range from 5.5 to 6.5.
Most ivies can live in soils that is heavy or light, sandy or with more amounts of clay. Soils with higher clay levels should be amended with organic matter such as peat moss or compost because it slows the speed of growth.
In hotter climates ivy will grow slower because of the high heat levels. It is important to keep the sandy soil open for good drainage.
If the soil clumps up and cracks after rainfall and high temperatures make sure you break up the soil to allow for water penetration and absorption. Adding organic matter, mulch or top soil to the area your ivy is planted will also help with water retention.
Avoid Drying Out Ivy Plants
Most Common ivies can withstand a short drought period even though they prefer to stay moist. By keeping the soil well watered and allowing only the top inch of soil dry out between waterings will help keep your ivy healthy.
Soil for indoor plants is easier since you typically use a bagged potting soil instead of the dirt from your garden or yard. When planting house plants it is never a good idea to use the soil from outside as it may contain pests that may spread to other house plants and potentially kill your ivy plant.