Best Soil for Gardening by State
Not all dirt is created equal. The difference between a thriving vegetable garden and a frustrating one often comes down to what's already in the ground. Well-drained soils with moderate water retention — particularly loams and silt loams — give roots room to breathe while holding enough moisture to sustain growth between waterings.
We ranked every US state by the percentage of its surveyed soils classified as "well drained" or "moderately well drained" by the USDA. States at the top have soils where most of the land drains well naturally — ideal starting conditions for gardens. States at the bottom tend toward clay-heavy or waterlogged soils that need raised beds, amendments, or drainage work before you can grow productively.
Drainage isn't everything — soil pH, organic matter, and climate matter too — but it's the single biggest factor the soil itself contributes. You can amend pH and add compost, but you can't easily fix fundamentally poor drainage across an entire property.
| # | State | Well-Drained Soils | Dominant Soil Order |
|---|---|---|---|
| 1 | Mexico | 99% | Mollisols |
| 2 | American Samoa | 96% | Mollisols |
| 3 | West Virginia | 96% | Ultisols |
| 4 | Virgin Islands | 95% | Mollisols |
| 5 | Northern Mariana Islands | 93% | Mollisols |
| 6 | New Mexico | 93% | Aridisols |
| 7 | Wyoming | 93% | Mollisols |
| 8 | Montana | 92% | Mollisols |
| 9 | Guam | 92% | Alfisols |
| 10 | Kentucky | 91% | Alfisols |
| 11 | Idaho | 91% | Mollisols |
| 12 | Texas | 91% | Alfisols |
| 13 | District of Columbia | 90% | Ultisols |
| 14 | Nevada | 87% | Aridisols |
| 15 | South Dakota | 87% | Mollisols |
| 16 | Kansas | 87% | Mollisols |
| 17 | Washington | 87% | Mollisols |
| 18 | Oregon | 86% | Mollisols |
| 19 | Puerto Rico | 85% | Inceptisols |
| 20 | Colorado | 82% | Mollisols |
| 21 | Oklahoma | 81% | Mollisols |
| 22 | Virginia | 81% | Ultisols |
| 23 | Hawaii | 80% | Andisols |
| 24 | Arizona | 79% | Aridisols |
| 25 | Pennsylvania | 78% | Ultisols |
| 26 | Utah | 78% | Mollisols |
| 27 | Palau | 77% | Oxisols |
| 28 | Alabama | 77% | Ultisols |
| 29 | Tennessee | 77% | Ultisols |
| 30 | Federated States of Micronesia | 76% | Inceptisols |
| 31 | United States | 74% | Mollisols |
| 32 | Connecticut | 74% | Inceptisols |
| 33 | Maryland | 71% | Ultisols |
| 34 | New Hampshire | 71% | Spodosols |
| 35 | North Dakota | 70% | Mollisols |
| 36 | North Carolina | 66% | Ultisols |
| 37 | Vermont | 65% | Spodosols |
| 38 | Georgia | 64% | Ultisols |
| 39 | California | 64% | Mollisols |
| 40 | Mississippi | 64% | Ultisols |
| 41 | Nebraska | 61% | Mollisols |
| 42 | New York | 61% | Inceptisols |
| 43 | Arkansas | 60% | Ultisols |
| 44 | Rhode Island | 59% | Inceptisols |
| 45 | South Carolina | 59% | Ultisols |
| 46 | Massachusetts | 59% | Inceptisols |
| 47 | Missouri | 58% | Alfisols |
| 48 | New Jersey | 57% | Ultisols |
| 49 | Ohio | 55% | Alfisols |
| 50 | Wisconsin | 55% | Alfisols |
| 51 | Delaware | 54% | Ultisols |
| 52 | Iowa | 54% | Mollisols |
| 53 | Indiana | 49% | Alfisols |
| 54 | Alaska | 44% | Inceptisols |
| 55 | Illinois | 41% | Alfisols |
| 56 | Maine | 40% | Spodosols |
| 57 | Minnesota | 38% | Mollisols |
| 58 | Michigan | 37% | Spodosols |
| 59 | Louisiana | 35% | Alfisols |
| 60 | Florida | 14% | Entisols |
| 61 | Marshall Islands | 0% | Entisols |
How to Read These Rankings
The "well-drained" percentage measures how much of a state's surveyed land falls into the USDA's "well drained" or "moderately well drained" drainage classes. Higher is generally better for gardening because well-drained soils allow oxygen to reach roots while still retaining enough moisture for plants.
The dominant soil order tells you what kind of soil parent material prevails. Mollisols (grassland soils) are among the most naturally fertile. Alfisols (forest soils) are productive with some management. Ultisols (weathered clay soils) and Spodosols (acidic forest soils) typically need more amendment work. See our soil taxonomy guide for details on each order.
These are statewide averages. Soil varies dramatically within any state — even within a single property. Look up your specific address for the exact soil conditions at your location.