Propagation


Landmark's series of propagation trays, sheets and packs are precision manufactured for easy operation with seeding and transplanting equipment.


  • Our plug sheets are ideal for perennial and liner production
  • Root channels and step-bottom drainage in seeding trays give deciduous and evergreen ornamentals ideal growing conditions
  • Continuous plug trays are available
  • Trays can be made with several trim die options: Regular trim, no end lip, or no-lip trims


Seedling propagation trays and sheets | plug trays
Standard Round & Square Plug Trays
Product Name Product Code Seasonal Configuration Cell top diameter (inches) Cell depth (inches) Cell center to center dimension (in) Max dry volume (cubic cm / cubic in) Drain diameter (punched) Drain hole Pieces per carton Cartons per pallet Bulk
50 Square Plug Tray P50 - 5 x 10 1.75 2.25 2.06 x 2.06 85.00 / 5.19 0.63" - 100 24 -
50 Plug Tray Punched + Top Air Hole P50V Yes 5 x 10 1.75 2.25 2.06 x 2.06 85.00 / 5.19 0.63" - 100 24 -
72 Round Plug Tray P72RD - 6 x 12 1.25 1.50 1.76 x 1.74 22.00 / 1.34 0.50" - 100 32 -
72 Rd Plug Tray with Feet (Punched) 72FPT - 6 x 12 1.49 2.25 1.71 x 1.73 41.30 / 2.52 0.31" - 100 32 -
72 Square Plug Tray P72SQ Yes 6 x 12 1.25 1.75 1.76 x 1.74 28.00 / 1.71 0.50" - 100 32 -
72 Square Plug Tray Deep P72SQD - 6 x 12 1.63 2.38 1.70 x 1.71 73.00 / 4.45 0.50" - 100 32 -
72 Square Plug Tray Deep Large Hole P72SQDH - 6 x 12 1.63 2.38 1.70 x 1.71 73.00 / 4.45 0.88" - 100 32 -
98 Square Plug Tray P98CR - 7 x 14 1.25 2.00 1.44 x 1.47 31.50 / 1.92 0.38" - 100 32 -
128 Square Plug Tray P128 - 8 x 16 1.25 2.00 1.23 x 1.28 27.50 / 1.68 0.38" - 100 32 3200
200 Square Plug Tray P200 - 10 x 20 0.88 1.75 0.99 x 0.99 21.10 / 1.29 0.28" - 100 32 -
288 Square Plug Tray (CE Compliant) P288SQ - 12 x 24 0.75 1.00 0.85 x 0.85 7.20 / 0.44 0.31" - 100 32 -
288 Square Plug Tray Medium (CE Compliant) P288M Yes 12 x 24 1.19 1.25 0.85 x 0.85 10.30 / 0.63 0.31" - 100 20 -
288 Square Plug Tray Deep (CE Compliant) P288SQD - 12 x 24 .75 1.75 .85 x .85 10cc/.61 cu. in. - .31 100 24 -
392 Square Plug Tray P392 Yes 14 x 28 0.63 1.00 0.73 x 0.73 4.50 / 0.28 0.25" - 100 32 -
406 Square Plug Tray P406 Yes 14 x 29 0.63 1.00 0.69 x 0.70 4.50 / 0.28 0.25" - 100 32 -
512 Square Plug Tray (CE Compliant) P512 - 16 x 32 0.56 1.00 0.63 x 0.64 4.00 / 0.24 0.31" - 100 20 -
Continuous 512 Sq Plug Tray (CE Compliant) P-CC512 - - - - - - - - 100 20 -

T Series Plug Trays
Product Name Product Code Seasonal Configuration Cell top diameter (inches) Cell depth (inches) Cell center to center dimension (in) Max dry volume (cubic cm / cubic in) Drain diameter (punched) Top air hole diameter (inches) Pieces per carton Cartons per pallet Bulk
T 50 Plug Tray T50 - 5 x 10 Sq 1.45 1.63 1.95 x 1.98 33.20 / 2.04 0.72" 0.55 70 36 2,320
T 84 Plug Tray T84 Yes 7 x 12 Sq 1.13 1.63 1.40 x 1.65 23.10 / 1.41 0.50" 0.44 100 24 3600
T 288 Plug Tray T288 Yes 12 x 24 Sq 0.81 1.13 0.81 x 0.82 8.10 / 0.49 0.28" - 65 36 -

Octagon Series Plug Trays
Product Name Product Code Configuration Cell top diameter (inches) Cell depth (inches) Cell center to center dimension (in) Max dry volume (cubic cm / cubic in) Drain diameter (punched) Top air hole diameter (inches) Pieces per carton Cartons per pallet Bulk
144 OCT Plug Tray 144OCT 8 x 18 1.09 1.50 1.28 x 1.13 16.90 / 1.03 0.38" 0.34 100 32 3200
288 OCT Plug Tray (CE Compliant) 288OCT 12 x 24 0.83 1.00 0.85 x 0.85 6.70 / 0.41 0.31" 0.19 100 32 3200
Continuous 288 CE OCT Plug Tray CC288OC 12 x 24 0.83 1.00 0.85 x 0.85 6.70 / 0.41 0.31" 0.19 100 32 2,560
512 OCT Plug Tray (CE Compliant) 512OCT 16 x 32 0.61 1.00 0.63 x 0.64 3.60 / 0.22 0.28" 0.19 100 20 2400

Hexagon Series Plug Trays
Product Name Product Code Seasonal Configuration Outside dimensions (inches) Cell top diameter (inches) Cell depth (inches) Cell center to center dimension (in) Max dry volume (cubic cm / cubic in) Drain diameter (punched) Drain hole Top air hole diameter (inches) Pieces per carton Cartons per pallet Bulk
58 HEX Plug Tray 58HEX Yes 3 x 12 / 2 x 11 10.54 x 20.82 1.50 x 1.63 2.25 2.41 x 1.71 47.00 x 2.87 0.50" - 1.50" 100 32 -
78 HEX Plug Tray 78HEX Yes 6 x 13 10.54 x 20.82 1.25 x 1.38 2.00 1.72 x 1.59 24.00 / 1.46 0.50" - 1.25 100 32 -
84 HEX Plug Tray* (label ramp) 84HEX Yes 7 x 12 11.05 x 21.38 1.13 x 1.31 1.63 1.48 x 1.72 22.00 / 1.34 1.09" - 1.22 100 32 3360
102 HEX Plug Tray (avail. as strips of 102, 51, 34, & 17) P102HX - 6 x 17 (102), 3 x 17 (51), 2 x 17 (34), 1 x 17 (17) 10.67 x 20.99 1.16 x 1.34 1.63 1.75 x 1.21 22.00 / 1.34 0.38" - 0.44 100 20 -
102 HEX Strip Tray 102HXST - 6 rows 10.75 x 21.13 - 1.45 - - - Burned - 100 20 -
105 HEX Plug Tray (root channels) 102HXSTE - 7 x 15 10.68 x 20.99 1.25 x 1.38 1.50 1.46 x 1.36 23.00 / 1.40 0.38" - 1.03 100 32 3200

Seedling Trays & Sheets
Product Name Product Code Configuration Outside dimensions (inches) Cell top diameter (inches) Cell depth (inches) Max dry volume (cubic cm / cubic in) Drain diameter (punched) Cell shape Pieces per carton Cartons per pallet Bulk
21 Seedling Tray 21ST 3 x 7 10.80 x 21.23 2.88 4.00 262.00 / 16.00 0.63" Rose pot shape with channels 65 20 1440
30 Seedling Tray 30ST 2 x 8 / 2 x 7 10.80 x 21.23 2.50 3.50 172.00 / 10.50 0.63" Rose pot shape with channels 50 32 2160
38 Seedling Tray 38ST 3 x 8 / 2 x 7 10.80 x 21.23 2.25 5.00 195.00 / 12.10 0.75" Rose pot shape with channels 50 20 1360
72 Seedling Tray 72ST 6 x 12 10.80 x 21.23 1.63 3.25 68.00 / 4.20 0.38" Rose pot shape with channels 50 32 1680

Rectangular with channels
Product Name Product Code Seasonal Configuration Outside dimensions (inches) Cell top diameter (inches) Cell depth (inches) Max dry volume (cubic cm / cubic in) Drain diameter (punched) Cell shape Pieces per carton Cartons per pallet Bulk
40 Seedling Tray 40ST Yes 8 x 5 10.80 x 21.23 2.10 x 1.87 4.02 123.00 / 7.50 0.50" Rectangular with channels 50 32 1840

Octagonal with round bottom
Product Name Product Code Configuration Outside dimensions (inches) Cell top diameter (inches) Cell depth (inches) Max dry volume (cubic cm / cubic in) Drain diameter (punched) Cell shape Pieces per carton Cartons per pallet
50 Seedling Tray 50ST 5 x 10 10.80 x 21.23 1.88 4.50 144.00 / 8.80 0.50" Octagonal with round bottom 55 20

Seedling Sheet
Product Name Product Code Configuration Outside dimensions (inches) Cell top diameter (inches) Cell depth (inches) Max dry volume (cubic inches) Drain diameter (punched) Cell shape Pieces per carton Cartons per pallet Bulk
40 Seedling Sheet 40SS 8 x 5 10.42 x 20.85 2.10 x 1.87 4.02 126.00 / 7.70 0.50" Rectangular with channels 50 32 1980

Insert and Tray
Product Name Product Code Seasonal Depth (inches) Outside dimensions (inches) Pieces per carton Cartons per pallet Bulk
F 18" x 18" Tray F1818 Yes 2.63 19.00 x 19.00 25 16 400

Burned Drainage
Product Name Product Code Seasonal Configuration Outside dimensions (inches) Cell top diameter (inches) Cell depth (inches) Max dry volume (cubic cm / cubic in) Drain hole Cell shape Pieces per carton Cartons per pallet Bulk
18 Plug Sheet Deep 18SPSD Yes 3 x 6 10.42 x 20.85 3.16 x 3.16 3.23 383.78 / 23.42 Burned Square 100 32 3200
24 Plug Sheet 24PS Yes 3 x 8 staggered 10.42 x 20.85 2.50 2.38 133.88 / 8.17 Burned Round, circ. ridge bottom 100 32 -
32 Square Plug Sheet 32SPS - 4 x 8 10.42 x 20.85 2.46 x 2.47 3.05 181.14 / 11.05 Burned Square 100 24 -
36 Plug Sheet 36SPS Yes 4 x 9 10.38 x 20.88 2.25 x 2.00 2.38 122.77 / 7.49 Burned Square 100 32 -
36 Plug Sheet Deep 36SPSD Yes 4 x 9 10.50 x 21.00 2.31 x 2.06 3.00 151.12 / 9.22 Burned Square 100 32 -
38 Plug Sheet 38PS Yes 3 x 8 / 2 x 7 10.42 x 20.85 2.25 2.38 111.43 / 6.80 Burned Round 100 32 -
40 Plug Sheet 40PS Yes 4 x 10 10.42 x 20.85 2.00 2.75 111.10 / 6.78 Burned Square 100 32 3200
50 Plug Sheet 50PS - 5 x 10 10.42 x 20.85 2.00 2.38 75.00 / 4.60 Burned Round, circ. ridge bottom 100 32 3200
50 Plug Sheet (with tag slot) 50PSTS - 5 x 10 10.42 x 20.85 1.93 2.33 75.00 / 4.60 Burned Round, circ. ridge bottom 75 24 -
50 Square Plug Sheet 50SPS - 5 x 10 10.42 x 20.85 1.93 2.38 95.06 / 5.80 Burned Square 100 32 -
72 Round Plug Sheet 72PS - 6 x 12 10.42 x 20.85 1.50 2.38 41.62 / 2.54 Burned Round, circ. ridge bottom 100 32 3200
72 Square Plug Sheet (root channels) 72SPS - 6 x 12 10.42 x 20.85 1.63 2.38 67.00 / 4.09 Burned Square 100 32 3200
98 Plug Sheet 98PS Yes 7 x 14 10.42 x 20.85 1.38 1.63 27.69 / 1.69 Burned Round 100 32 3200
162 Plug Sheet 162PS Yes 9 x 18 10.42 x 20.85 1.00 1.63 13.27 / 0.81 Burned Round 100 32 -

Punched Drainage
Product Name Product Code Seasonal Configuration Outside dimensions (inches) Cell top diameter (inches) Cell depth (inches) Max dry volume (cubic cm / cubic in) Drain hole Cell shape Pieces per carton Cartons per pallet Bulk
40 Plug Sheet, Punched Drainage 40PSPNCH - 4 x 10 10.42 x 20.85 2.00 2.75 111.10 / 6.78 Die-Punched Square-Rose Pot 100 32 3200
50 Plug Sheet, Punched Drainage 50PSPNCH - 5 x 10 10.42 x 20.85 2.00 2.38 75.00 / 4.60 Die-Punched Round, circ. ridge bottom 100 32 3200
60 Plug Sheet, Punched Drainage 60PSPNCH - 5 x 12 10.42 x 20.85 1.63 2.75 75.22 / 4.59 Die-Punched Square-Rose Pot 100 32 3200
72 Plug Sheet, Punched Drainage 72PSPNCH - 6 x 12 10.42 x 20.85 1.50 2.38 41.62 / 2.54 Die-Punched Round, circ. ridge bottom 100 32 -
72 Round Plug Sheet with Feet Punched Drainage 72FPS - 6 x 12 10.42 x 20.85 1.49 2.25 41.30 / 2.52 Die-Punched Round, circ. ridge bottom 100 32 -
72 Round Plug Sheet (vent holes) 72PSV - 6 x 12 10.42 x 20.85 1.50 2.38 41.62 / 2.54 Die-Punched Round, circ. ridge bottom 100 32 -
98 Plug Sheet Punched (vent holes) 98PSPVPV Yes 7 x 14 10.42 x 20.85 1.38 1.63 27.69 / 1.69 Die-Punched Round 100 32 -

Seeder Trays
Product Name Product Code Seasonal Length (inches) Width (inches) Depth (inches) Pieces per carton Cartons per pallet
10 Row Seeder Tray PSEED10 Yes 21.50 11.00 1.25 100 32
20 Row Seeder Tray PSEED20 Yes 21.50 11.00 1.25 100 32
Open Seeder Tray 136ST Yes 21.23 10.80 1.38 100 32