Home gardeners can successfully grow grapes in Iowa. Site Selection Grapevines can grow on a wide range of soil types. Well-drained soils produce the best growth and yields. Avoid soils that are persistently wet during the growing season. Highly fertile soils are not essential.
Grapevines tolerate a wide pH range.
Vines prefer a slightly acidic soil with a pH of 6.0 to 6.5, but grow well with a pH from 5.5 to 7.5. Because of space restrictions, planting sites are often limited in the home garden. Select a site that receives full sun. Avoid sites shaded by trees and shrubs. Also, consider the possibility of herbicide drift.