Acid soils have a pH of below seven, neutral is pH7 and alkaline is above seven. Loamy soil - often seen as the ultimate garden soil because most plants will grow in it, this is brown and crumbly ...

Soil Characteristics Sandy Soil Loam Soil Clay ... acidic soil type with a soil pH between 6.2 and 6.8. If you have loamy soil in your backyard, one of the best leafy greens to grow is lettuce.