Check Here Before Buying – Pot Size Matters...Not all websites offer the same. Plants in a 2-litre pot have twice the root system of a P9 or 1 litre pot.


Check Here Before Buying – Pot Size Matters...Not all websites offer the same. Plants in a 2 litre pot have twice the root system of a P9 or 1 litre pot.

Best Value Plants - Plant Pot Size Guide

The pot size you buy your plant in is critical to plant development and survival. It is very important to ensure that the plant(s) you are buying have been grown in the size of a pot that provides not just the cheapest plant but represents the best value for that particular plant. Some suppliers avoid ensuring pot size is clear at the point of purchase so their plants look inexpensive but in the long run, they can result in slower development and increased losses. Some offer plants in P9 pots which are plants often less than 1 year old, many varieties of which can be more difficult to establish straight out in the garden. Clearly, a plant in a 2 litre pot has twice the root system of one that initially may look slightly cheaper in a 1 litre pot but often offers worse value for money. Always check!

The majority of plants sold online by Jacksons Nurseries come in pots of various sizes. Most pot sizes are referred to by their volume capacity in litres, with the exception of pots that are smaller than 1 litre which is usually referred to by the diameter or cross section of the top of the pot (P9 is approximately a 9 x 9 cm pot).

The table below gives the approximate measurements of the common pot sizes we use at Jacksons Nurseries. Generally, for instance, grasses, shrubs, ferns & perennials etc are the best value in a 2 or 3 litre pot unless there is a particular cultural reason to grow in a larger pot. Sizes are only a guide as the exact measurements vary depending on pot manufacturers.

Pot Size Pot Diameter (Top) Pot Diameter (Base) Pot Height
9cm  9.0cm 3.5" 6.0cm 2.5" 8.5cm 3"
1 Litre 13.0cm 5" 10.0cm 4" 11.0cm 4"
2 Litre 17.0cm 6.5" 12cm 4.5" 13.0cm 5"
3 Litre 19.0cm 7.5" 13cm 5" 15.0cm 6"
4 Litre 20.0cm 8" 15.5cm 6" 16.5cm 6.5"
5 Litre 22.5cm 9" 16.5cm 6.5" 18.0cm 7"
7 Litre 25.0cm 10" 19.0cm 7.5" 20.0cm 8"
10 Litre 28.0cm 11" 24.0cm 9.5" 22.5cm 9"
15 Litre 33.0cm 13" 25.5cm 10" 30.0cm 12"
20 Litre 35.5cm 14" 27.5cm 11" 32.5cm 13"
25 Litre 38.5 cm 15" 30.0cm 12" 35.0cm 14"
30 Litre 41.0cm 16" 33.0cm 13" 36.0cm 14"
40 Litre 50.0cm 20" 35.5cm 14" 45.0cm 18"

So, always look out for the pot size the plant has been grown in – its critical best value for your garden and budget.

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From Wikipedia, the free encyclopedia

3LR12 (4.5-volt), D, C, AA, AAA, AAAA (1.5-volt), A23 (12-volt), PP3 (9-volt), CR2032 (3-volt), and LR44 (1.5-volt) batteries
This is a list of the sizes, shapes, and general characteristics of some common primary and secondary battery types in household, automotive and light industrial use.

The complete nomenclature for a battery specifies size, chemistry, terminal arrangement, and special characteristics. The same physically interchangeable cell size or battery size may have widely different characteristics; physical interchangeability is not the sole factor in substituting a battery.[1]

The full battery designation identifies not only the size, shape and terminal layout of the battery but also the chemistry (and therefore the voltage per cell) and the number of cells in the battery. For example, a CR123 battery is always LiMnO2 ('Lithium') chemistry, in addition to its unique size.

The following tables give the common battery chemistry types for the current common sizes of batteries. See Battery chemistry for a list of other electrochemical systems.

Cylindrical batteries

This section needs additional citations for verification. Please help improve this article by adding citations to reliable sources in this section. Unsourced material may be challenged and removed. (July 2011) (Learn how and when to remove this template message)
(AA size for scale) Names Typical capacity
(mAh) Nominal
(V) Size, dia. × h. (mm) Comments
Most common Other common IEC ANSI NSN
UM 6 (JIS) 単6
#9 (China) LR8D425 (alkaline) 25A (alkaline) 625 (alkaline) 1.5 8.3 × 42.5 Sometimes used in pen flashlights, laser pointers, powered styluses, calculators, fishing lures.
AAA U16 or HP16 (In the UK)
Type 286 (Soviet Union/Russia)
UM 4 (JIS)(carbon-zinc)
[2] 単4
AM-4 (JIS)(alkaline)
#7 (China)
LR03 (alkaline)
R03 (carbon–zinc)
FR03 (LiFeS2)
HR03 (NiMH)
KR03 (NiCd)
ZR03 (NiOOH) 24A (alkaline)
24D (carbon–zinc)
24LF (LiFeS2)
6135-01-521-0378 United States [3]

6135-66-046-2599 Australia [4]

6135-14-425-5849 France [5]

6135-22-210-5836 Danish Realm [6]

6135-99-117-3143 United Kingdom [7]

6135-15-052-5343 Italy [8]

6135-01-601-5817 United States [9]

6135-00-826-4798 United States [10]

6135-12-162-9946 Germany [11]

6140-15-219-3801 Italy [12]

1,200 (alkaline)
540 (carbon–zinc)
800–1,200 (NiMH)
500 (NiZn) 1.5
1.2 (NiMH, NiCd)

10.5 × 44.5
(0.41 × 1.75) Introduced 1911, but added to ANSI standard in 1959
Used in many household electronic devices.

AA U12 or HP7 (In the UK)
Type 316 (Soviet Union/Russia)
UM 3 単3 (JIS)(carbon-zinc)
AM-3 (JIS)(alkaline)
#5 (China) LR6 (alkaline)
R6 (carbon–zinc)
FR6 (LiFeS2)
HR6 (NiMH)
KR6 (NiCd)
ZR6 (NiOOH) 15A (alkaline)
15D (carbon–zinc)
15LF (LiFeS2)
1.2H2 (NiMH)
1.2K2 (NiCd)
6135-15-051-9613 Italy [13]

6135-66-037-7956 Australia [14]

6135-19-003-8038 Brazil [15]

6135-14-304-9752 France [16]

6135-01-601-5818 United States [17]

6135-99-195-6708 United Kingdom [18]

6135-21-844-0864 Canada [19]

6135-00-985-7845 United States [20]

6135-99-052-0009 United Kingdom [21]

2,700 (alkaline)
1,100 (carbon–zinc)
3,000 (LiFeS2)
1,700–2,800 (NiMH)
600–1,000 (NiCd)
1,500 (NiZn) 1.5
1.2 (NiMH, NiCd)

14.5 × 50.5
(0.57 × 1.99) Introduced 1907, but added to ANSI standard sizes in 1947.
Used in many household electronic devices.
Various fractional sizes are available; e.g.:
4⁄5AA (FLYCO Ni-Cd, Ni-Mh, 600–1,500 capacity, 14.0 × 40.0, used in small electronics, such as electric shavers.
1⁄2AA (see below)

1⁄2AA SAFT LS14250
Tadiran TL5101
UL142502P CR14250 (LiMnO2)
ER14250 (LiSOCl2)
6135-01-669-4691 United States [22]

6135-01-435-4921 United States [23]

6135-14-469-5737 France [24]

6135-01-370-2599 United States [25]

6135-14-476-8989 France [26]

6135-14-484-0910 France [27]

6135-01-411-3212 United States [28]

6135-14-483-5610 France [29]

6135-99-957-5803 United Kingdom [30]

6135-12-337-5754 Germany [31]

850–1,200 3 (LiMnO2)
3.6 (LiSOCl2) 14.0 × 25.0 (nom.)
14.5 × 25.0 (max.) Same diameter as AA battery, used in small electronics, including pulse oximeters, as well as use in some computer models (such as most pre-Intel Macintosh models and some older IBM PC compatibles) as the CMOS battery. Also used in US military MILES gear and DAGR. Also used in Renishaw Probes, commonly used in CNC machines, such like ones from Haas Automation.
A R23 (carbon‑zinc)
LR23 (alkaline)
#4 (China) 1.5 17 × 50 More common as a NiCd or NiMH cell size than a primary size, popular in older laptop batteries and hobby battery packs.
Various fractional sizes are also available; e.g., 2⁄3 A and 4⁄5 A.

B U10 (UK)
336 (Russian Federation)
#3 (China) R12 (carbon‑zinc)
LR12 (alkaline) 8,350 (alkaline) 1.5 21.5 × 60 Most commonly found within a European 4.5 volt lantern battery.
Not to be confused with the vacuum tube B battery.

C U11 or HP11 (In the UK)
Type 343 (Soviet Union/Russia)
BA-42 (US Military Spec WWII–1980s)[citation needed]
UM 2 (JIS) 単2
#2 (China) LR14 (alkaline)
R14 (carbon–zinc)
HR14 (NiMH)
KR14 (NiCd)
ZR14 (NiOOH) 14A (alkaline)
14D (carbon–zinc)
6135-00-985-7846 United States [32]

6135-99-117-3212 United Kingdom [33]

6135-15-052-5341 Italy [34]

6135-66-048-7857 Australia [35]

6135-99-733-1071 United Kingdom [36]

6135-01-576-8491 United States [37]

6135-14-353-5228 France [38]

6135-19-004-1990 Brazil [39]

6135-17-056-0142 Brazil [40]

6135-99-812-0878 United Kingdom [41]

6135-99-199-4779 United Kingdom [42]

6135-99-117-3212 United Kingdom [33]

8,000 (alkaline)
3,800 (carbon–zinc)
4,500–6,000 (NiMH) 1.5
1.2 (NiMH, NiCd)

26.2 × 50
(1.03 × 1.97) Can be replaced with an AA cell or up to four AAA cells in parallel using a plastic sabot (size adaptor), with proportional loss of capacity.

Type 332 (Soviet Union/
Russian Federation) KR22C429 (NiCd)
HR22C429 (NiMH) 1,200–2,400 (NiCd)
1,800–5,000 (NiMH) 1.2 22.2 × 42.9
(0.87 × 1.69) A common size for cells inside cordless tool battery packs. This size is also used in radio-controlled scale vehicle battery packs and some Soviet multimeters.
1⁄2-, 4⁄5- and 5⁄4-sub-C sizes (differing in length) are also available. Soviet 332 type can be replaced with R10 (#4, 927, BF, U8) or 1.5 V elements from 3 V 2xLR10 packs.[43][44]

D U2, HP2 or SP2 (UK)
Flashlight battery
Type 373 (Soviet Union/Russia)
BA-30 (US Military Spec WWII–1980s)
UM 1 (JIS) 単1
#1 (China) LR20 (alkaline)
R20 (carbon–zinc)
HR20 (NiMH)
KR20 (Ni-Cd)
ZR20 (NiOOH) 13A (alkaline)
13D (carbon–zinc)
6135-01-255-4786 United States [45]

6135-15-051-6850 Italy [46]

6135-14-301-9080 France [47]

6135-00-835-7210 United States [48]

6135-66-045-3419 Australia [49]

6135-17-056-0140 Netherlands [50]

6135-99-109-9428 United Kingdom [51]

6135-15-219-3387 Italy [52]

6135-01-446-8310 United States [53]

6135-15-191-8540 Italy [54]

6135-99-464-1938 United Kingdom [55]

12,000 (alkaline)
8,000 (carbon–zinc)
2,200–11,000 (NiMH)
2,000–5,500 (NiCd) 1.5 34.2 × 61.5
(1.35 × 2.42) Introduced 1898 as the first flashlight battery. Can be replaced with an AA cell or a C cell using a plastic sabot (size adaptor), with proportional loss of capacity.
F R25 (carbon‑zinc)
LR25 (alkaline) 60 10,500 (carbon‑zinc)
26,000 (alkaline) 1.5 33
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Ordered some plants and shrubs from you 10 in all and they turned up on Thursday I can not get over how good and healthy they are so pleased with them that I have placed a further order would highly recommend well packaged and really healthy plants ????
Eeeee thanks so much for this!
Thank you very much- as a Landscape Architect, I find this information very helpful to aid visualising how many of... we need per metre.
All afternoon I've been looking for somewhere that tells me what size, as in diameter, a 10 litre pot is. This is a terrific table, it not only gives diameter at the top but other measurements too. Brilliant. Thank you.
If my plant grows 1m x 1m what size pot do I need?
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