Which soil is better for plants to grow: acidic or alkaline?

In general, plants prefer a slightly acidic pH - between 6.0 and 7.0. While there are some plants, like blueberries and rhododendrons that require more acidic soil, a plant's ability to grow in an alkaline soil is a tolerance and not a preference. read more

Alkaline Soil-Advantages: Alkaline soil allows you to grow a good variety of plants; several vegetables (such as members of the cabbage family) won't grow also in acidic soil. Ornamentals, like a vine, are aforesaid to grow higher in the alkaline soil, and also the finest rose gardens tend to be in alkaline areas. read more

A soil with a pH number below 7 is acid, while one with a pH above 7 is alkaline. Garden plants typically grow best in neutral or slightly acid soil (pH 7 or slightly below; see illustration at left). read more

Alkaline soils have a high pH. The opposite of alkalinity is acidity; the latter refers to a "sour" soil. Here's a list of plants that like a high pH. read more