The following are the size keys used in the PlantFinder® and on PLANTSEARCH®
| Size abbreviation | Description (Metric description) | 
| SD | SEEDS (seeds) | 
| GC | GROW CONE (grow cone) | 
| BUL | BULB (bulb) | 
| BR | BARE ROOT (bare root) | 
| FLTS | FLATS (flats) | 
| FLATS | FLATS (flats) | 
| TRAYS | TRAYS (trays) | 
| CG | CUTTINGS (cuttings) | 
| LN | LINERS (liners) | 
| CP | CELL PACK (cell pack) | 
| TT | TREE TUBE (tree tube) | 
| RP | ROOT PRUNED (root pruned) | 
| SDLG | SEEDLINGS (seedlings) | 
| 1" | 1" (2.54 cm) | 
| 2" | 2" (5.08 cm) | 
| 3" | 3" (7.62 cm) | 
| 3.5" | 3.5" (8.89 cm) | 
| PTS | PINTS (.76 liters) | 
| QTS | QUARTS (1.14 liters) | 
| 4" | 4" (10.16 cm) | 
| 4.5" | 4.5" (11.43 cm) | 
| 5" | 5" (12.70 cm) | 
| 5.5" | 5.5" (13.97 cm) | 
| 6" | 6" OR 1 GALLON (15.24 cm) | 
| #1 | 1 GALLON CONTA (4.55 liters) | 
| G | 1 GALLON CONTA (4.55 liters) | 
| 6.5" | 6.5" (16.51 cm) | 
| 7" | 7" (17.78 cm) | 
| 2G | 2 GALLON (9 liters) | 
| #2 | 2 GALLON CONTA (9 liters) | 
| 8" | 8" OR 2 GALLON (20.32 cm) | 
| 9" | 9" (22.86 cm) | 
| 3G | 3 GALLON (14 liters) | 
| 10" | 10" OR 3 GALLO (25.40 cm) | 
| E/C | EGG/CAN (14 liters) | 
| #3 | 3 GALLONS (14 liters) | 
| 11" | 11" (27.94 cm) | 
| 12" | 12" OR 5 GALLO (30.48 cm) | 
| 4G | 4 GALLON (18 liters) | 
| 5G | 5 GALLON (23 liters) | 
| #5 | #5 (25 liters) | 
| 6G | 6G (27 liters) | 
| #7 | 7 GALLON CONTA (32 liters) | 
| 14" | 14" OR 7 GALLO (35.56 cm) | 
| 7G | 7 GALLON (32 liters) | 
| 16" | 16" (40.64 cm) | 
| 10G | 10 GALLON (45 liters) | 
| 17" | 17" OR 10 GALL (43.18 cm) | 
| #10 | 10 GALLON CONT (45 liters) | 
| 19" | 19" (48.26 cm) | 
| 20" | 20" (20") | 
| 22" | 22" (55.88 cm) | 
| #12 | 12 GALLON (55 liters) | 
| 12G | 12 GALLON (55 liters) | 
| 21" | 21" OR 12 GALL (53.34 cm) | 
| 14G | 14G (64 liters) | 
| 15G | 15 GALLON (68 liters) | 
| #15 | 15 GALLON (68 liters) | 
| 17G | 17G (77 liters) | 
| 24" | 24" OR 20 GALL (60.96 cm) | 
| 20G | 20 GALLON (91 liters) | 
| #20 | 20 GALLONS (91 liters) | 
| 26" | 26" (68.58 cm) | 
| 27" | 27" (68.58 cm) | 
| 25G | 25 GALLON (114 liters) | 
| 28" | 28" (71.12 cm) | 
| 24G | 24G (109 liters) | 
| 30G | 30 GALLON (136 liters) | 
| #30 | 30 GALLONS (136 liters) | 
| 30" | 30" (76.20 cm) | 
| 31" | 31" (78.74 cm) | 
| 32" | 32" (81.28 cm) | 
| 32G | 32 GALLON (145 liters) | 
| 34G | 34 GALLON (155 liters) | 
| 34" | 34" (86.36 cm) | 
| 35G | 35 GALLON (159 liters) | 
| 36" | 36" (91.44 cm) | 
| 40G | 40 GALLON (182 liters) | 
| 45G | 45 GALLON (205 liters) | 
| 41" | 41" (1.04 m) | 
| 42" | 42" (1.07 m) | 
| 48" | 48" (1.22 m) | 
| 50G | 50 GALLON (227 liters) | 
| 55G | 55 GALLON (250 liters) | 
| 52" | 52" (1.32 m) | 
| 54" | 54" (1.37 m) | 
| 60G | 60 GALLON (273 liters) | 
| 60" | 60" (1.52 m) | 
| 65G | 65 GALLON (295 liters) | 
| 70G | 70 GAL (318 liters) | 
| 72" | 72" (1.83 m) | 
| 75G | 75 GALLON (341 liters) | 
| 80G | 80 GALLON (364 liters) | 
| 84" | 84" (2.13 m) | 
| 85G | 85 GALLON (386 liters) | 
| 90G | 90 GALLON (409 liters) | 
| 95G | 95 GALLON (432 liters) | 
| 96" | 96" (2.44 m) | 
| 100G | 100 GALLON (455 liters) | 
| 102" | 102" (2.59 m) | 
| 110G | 110 GALLON (500 liters) | 
| 108" | 108" (2.74 m) | 
| 120G | 120 GALLON (546 liters) | 
| 120" | 120" (3.05 m) | 
| 121G | 121 GALLON (550 liters) | 
| 125G | 125 GALLON (568 liters) | 
| 144" | 144" (3.66 m) | 
| 150G | 150 GALLON (682 liters) | 
| 160G | 160 GALLON (727 liters) | 
| 175G | 175 GALLON (796 liters) | 
| 200G | 200 GALLON (909 liters) | 
| 300G | 300 GALLON (1,364 liters) | 
| 350G | 350 GALLON (1,591 liters) | 
| 450G | 450 GALLON (2,046 liters) | 
| 670G | 670 GALLON (3,046 liters) | 
| 1400G | 1400G (6365 liters) | 
| BU | BUSHEL (36.37 liters) | 
| GB | GROW BAG (grow bag) | 
| FG | FIELD GROWN (field grown) | 
| FG 1' - 3' | FIELD GROWN (30 to 92cm) | 
| FG 3' - 4' | FIELD GROWN (92 to 1.2m) | 
| FG 4' - 5' | FIELD GROWN (1.2 to 1.5m) | 
| FG 5' - 6' | FIELD GROWN (1.5 to 1.8m) | 
| FG 6' - 7' | FIELD GROWN (1.8 to 2.1m) | 
| FG 7' - 8' | FIELD GROWN (2.1 to 2.4m) | 
| FG 8' - 9' | FIELD GROWN (2.4 to 2.7m) | 
| FG 9' - 10' | FIELD GROWN (2.7 to 3.0m) | 
| FG 10' - 12' | FIELD GROWN (3.0 to 3.6m) | 
| FG 12' - 14' | FIELD GROWN (3.6 to 4.2m) | 
| FG 14' - 16' | FIELD GROWN (4.2 to 4.8m) | 
| FG 16' - 18' | FIELD GROWN (4.8 to 5.4m) | 
| FG 18' - 20' | FIELD GROWN (5.4 to 6.0m) | 
| FG 20' - 22' | FIELD GROWN (6.0 to 6.6m) | 
| FG 22' - 24' | FIELD GROWN (6.6 to 7.2m) | 
| FG 24' - 26' | FIELD GROWN (7.2 to 7.8m) | 
| FG 26' - 28' | FIELD GROWN (7.8 to 8.4m) | 
| FG 28' - 30' | FIELD GROWN (8.4 to 9.0m) | 
| FG 30' - 40' | FIELD GROWN (9.0 to 12.0m) | 
| FG 40' - 50' | FIELD GROWN (12.0 to 15.0m) | 
| FG 50' + | FIELD GROWN (15m and over) | 
| FG 60' + | FIELD GROWN (18.0m and over) | 
| FG 70' + | FIELD GROWN (21m and over) | 
| FG 80' + | FIELD GROWN (24m and over) | 
| FG 90' + | FIELD GROWN (27m and over) | 
| FG 100' + | FIELD GROWN (30m and over) | 
| MISC | MISCELLANEOUS (miscellaneous) |