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.

#StateWell-Drained SoilsDominant 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.