Crop
Minimum Size
(in gallons)
Plants per Container
Beans, green
1
2-3
Beets
2
2-3" apart
Cabbage
1
1
Carrots
2
2-3" apart
Chard
1
1
Cucumber
1
2
Eggplant
2
1
Lettuce (leaf)
1
4-6
Pepper
2
2
Radishes
2
1-2" apart
Spinach
1
3" apart
Tomatoes (cherry)
1
1
Tomatoes (standard)
3
1

Inside Diameter
Approximate Soil Content
3"
1 cup
4"
2 1/2 cups
5"
1 quart
6"
2 1/2 quarts
7"
3 quarts
8"
1 gallon
9"
1 1/2 gallons
10"
2 1/4 gallons
12"
3 1/2 gallons
14"
6 gallons