Container grown plants are defined by C followed by a number indicating the volume in litres, e.g. C5. (Sometimes reference is made to pot grown plants. Pot refers to a small container, less than 2 litres in volume typically used in propagation. Pot grown plants are defined by P followed by a number indicating the upper, outside width in cm, typically ranging from 5-13 cm. P9 is a typical size, containing approx. 0.5 litres of growing medium).
Table:Typical Container sizes |
Symbol |
Container
volume in litres |
Pot
size in cm. |
C |
(C0.5) |
P9 |
C |
1 |
P11 |
C |
1.5
|
P13 |
C |
2 |
|
C |
3 |
|
C |
4 |
|
C |
5 |
|
C |
7.5 |
|
C |
10 |
|
C |
15 |