Contributors: T.E. Bilderback, Extension Horticulture Specialist;
A.H. Bruneau, Extension Crop Science Specialist;
S.C. Hodges, Extension Soil Science Specialist;
L.T. Lucas, Extension Plant Pathology Specialist;
W.A. Skroch, Professor Emeritus, Horticulture Science;
S.L. Warren, Associate Professor, Horticulture Science.
Plants that Require Acid Soils
Most plants in North Carolina landscapes tolerate a slightly acid soil (pH 5.5), but the more
acidic it becomes (pH 5.0 or lower), the fewer plants will grow. A pH of 4.0 to 4.5 often causes
an iron deficiency. Even plants like azaleas, camellias and rhododendrons have trouble growing
and appearing well in a soil which is too acidic. Along with proper pH, consider organic matter
in the soil, tilth and levels of soluble salts.
| Botanical Name |
Common Name(s) |
|---|
| llex sp. |
Holly, Juniperus, Common Juniper |
|---|
| Kalmia latifolia |
Mountain Laurel |
|---|
| Leucothoe sp. |
Leucothoe |
|---|
| Magnolia virginiana |
Sweet Bay Magnolia |
|---|
| Myrica sp. |
Bayberry, Waxmyrtle |
|---|
| Quercus-many sp. |
Oak |
|---|
| Rhododendron sp. |
Azalea, Rhododendron |
|---|
| Vaccinium sp. |
Blueberry |
|---|
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Last Modified: 07/10/96