What soil have you?

Comprises mainly decomposed leaves, wood or peat. If your garden is situated on a site formerly occupied by forest, or on reclaimed marshland, or has large stands of trees or shrubs, you probably have excellent, humus-rich soil.

Characteristics Indicator plants Soil improvement
? loose structure
? the ability to store moisture
? usually, a low pH factor
Bracken (Pteridium aquffinum)
sheep's sorrel (Rumex acetosella)
wild violets or pansies (Viola)
heather (Erica)
usually not necessary, but check to make sure that the pH factor is not too low.