South Carolina Level 4 Ecoregions Map
| er45a - Southern Inner Piedmont |
| er45b - Southern Outer Piedmont |
| er45c - Carolina Slate Belt |
| er45g - Triassic Basins |
| er45i - Kings Mountain |
| er63g - Carolinian Barrier Islands and Coastal Marshes |
| er63h - Carolina Flatwoods |
| er63n - Mid-Atlantic Floodplains and Low Terraces |
| er65c - Sand Hills |
| er65l - Vidalia Upland |
| er65p - Southeastern Floodplains and Low Terraces |
| er66d - Southern Crystalline Ridges and Mountains |
| er75i - Flood Plains and Low Terraces |
| er75j - Sea Islands/Coastal Marsh |
Based on Ecoregions developed by the EPA this map describe areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources, as well as similarity of climate that can assist South Carolina gardenders.
