A Note About Pot Sizes

The National Institute of Standards and Technology (and enforced by the Colorado Department of Agriculture) has mandated that all nursery containers be called by a name that accurately denotes the true volume of the container. No longer can we call a plant a “5 Gallon” plant or a “#5” plant. We now have to list the size of the pot in both English and metric units. The following is a listing of the true volumes of the various pots sizes we sell. We apologize for any confusion this may cause.

Old Name

Metric Units

English Units

#1 or “1 gallon”

2.8 liter

.74 gal.

#2 or “2 gallon”

6.0 liter

1.6 gal.

#3 or “3 gallon”

9.0 liter

2.4 gal.

#5 or “5 gallon”

14.9 liter

3.9 gal.

#6 or “6 gallon”

19.0 liter

5.0 gal.

#7 or “7 gallon”

24.6 liter

6.5 gal.

#10 or “10 gallon”

34.1 liter

9.0 gal.

#15 or “15 gallon”

54.9 liter

14.5 gal.

#20 or “20 gallon”

74.2 liter

19.6 gal.

#24 or 24” fiber

112.2 liter

29.6 gal.

#25 or “25 gallon”

104.5 liter

27.6 gal.

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