The Plant Pot Sizes for Landscapes

The Plant Pot Sizes for Landscapes

The price of purchasing a landscape plant varies with the magnitude of this pot the plant is in. Until recently, customers looked for quart containers, 1-, 5- and 10-gallon containers and apartments of plants that are smaller. However, these names were not accurate descriptions of this pot’s capacity, therefore the names have changed. It is still buyer beware though — look for well-rooted specimens to prevent paying extra for dirt.


The American National Standards Institute — or ANSI — today regulates pot sizes to infer exactly what size pot you’re becoming. Even signaling the pot’s width, such as a 10-inch pot, doesn’t tell you exactly what the quantity — and therefore the prospective root dimension — of the grass is. 1 grower could utilize a taller 10-inch pot than another grower, leading to different quantity “10-inch” containers. The current ANSI standard for nursery pots premiered in 2004.

Big Pot Classes

Manufactured pots need to fall within the ranges that define their classes. This allows for variations in heights and widths from other manufacturers to suit different growers needs, but nevertheless standardizes the quantity. Manufacturers indicate large container classes by the pound sign, #, followed by a number 1 through 100. Manufacturers used to predict these containers different sized “gallon” pots. Together with all the new container system, the bigger the number, the bigger the container is. In cubic inches of volume, a #1 container — that was commonly called a 1-gallon pot — is 152 to 251 cubic inches, a #2 container is 320 to 474 cubic inches, a #3 container 628 to 742 cubic inches and a #5 container — that was commonly called a 5-gallon container — is 785 to 1242 cubic inches.

Smaller Pot Sizes

Small plant containers, usually holding perennials or annuals, are suggested by “SP” followed by the period of the side of this grass for square pots — or even the diameter, for around pots — measured in inches. Because the period of the pot’s side determines that category it falls under, manufacturers are limited in the grass heights they could create and stay within the allowed volume. There are only five categories for small pots: #SP1 is 6.5 to 8.0 cubic inches, #SP2 13.0 to 15.0 cubic inches, #SP3 20.0 to 30.0 cubic inches, #SP4 — previously called a combined container — is 51 to 63 cubic inches and #SP5 is 93 to 136 cubic inches. Cell packs, such as SP pots, must indicate the period of the side of the individual cell plus the number of cells are in the tray.

What Kind Pot to purchase

Nurseries sell annual plants at the #SP 1 through 5 sizes. The larger the pot, the more room the origins have had to climb and the sooner the plant will have the ability to blossom. You can find lower-priced perennials at #SP 4 or even #SP 5 pots, but they might not bloom the first year. Commonly, #1 containers hold second year perennials or young shrubs, while more mature shrubs are offered at #2 to #5 containers. The bigger container sizes, such as #95, are for trees.

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