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 American Samoa 96% Mollisols
2 West Virginia 96% Ultisols
3 Virgin Islands 95% Mollisols
4 Northern Mariana Islands 93% Mollisols
5 New Mexico 93% Aridisols
6 Wyoming 93% Mollisols
7 Montana 92% Mollisols
8 Guam 92% Alfisols
9 Kentucky 91% Alfisols
10 Idaho 91% Mollisols
11 Texas 91% Alfisols
12 District of Columbia 90% Ultisols
13 Nevada 87% Aridisols
14 South Dakota 87% Mollisols
15 Kansas 87% Mollisols
16 Washington 87% Mollisols
17 Oregon 86% Mollisols
18 Puerto Rico 85% Inceptisols
19 Colorado 82% Mollisols
20 Oklahoma 81% Mollisols
21 Virginia 81% Ultisols
22 Hawaii 80% Andisols
23 Arizona 79% Aridisols
24 Pennsylvania 78% Ultisols
25 Utah 78% Mollisols
26 Palau 77% Oxisols
27 Alabama 77% Ultisols
28 Tennessee 77% Ultisols
29 Federated States of Micronesia 76% Inceptisols
30 United States 74% Mollisols
31 Connecticut 74% Inceptisols
32 Maryland 71% Ultisols
33 New Hampshire 71% Spodosols
34 North Dakota 70% Mollisols
35 North Carolina 66% Ultisols
36 Vermont 65% Spodosols
37 Georgia 64% Ultisols
38 California 64% Mollisols
39 Mississippi 64% Ultisols
40 Nebraska 61% Mollisols
41 New York 61% Inceptisols
42 Arkansas 60% Ultisols
43 Rhode Island 59% Inceptisols
44 South Carolina 59% Ultisols
45 Massachusetts 59% Inceptisols
46 Missouri 58% Alfisols
47 New Jersey 57% Ultisols
48 Ohio 55% Alfisols
49 Wisconsin 55% Alfisols
50 Delaware 54% Ultisols
51 Iowa 54% Mollisols
52 Indiana 49% Alfisols
53 Alaska 44% Inceptisols
54 Illinois 41% Alfisols
55 Maine 40% Spodosols
56 Minnesota 38% Mollisols
57 Michigan 37% Spodosols
58 Louisiana 35% Alfisols
59 Florida 14% Entisols
60 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.