Best Trays For Soil Blocks for Seed Starting and Drainage

#1 · Best Overall

1. Bootstrap Farmer Mesh 1020 Trays

• Dimensions: 21.25 x 10.75 x 2.5 in
• Material: Plastic
• Size: 5 Trays

Best for: For heavy-duty 1020 workflows.

Why it ranks #1: Its mesh bottom is explicitly intended to drain and aerate soil-block plugs; BPA-free polypropylene and stated 21.25-by-10.75-by-2.5-inch dimensions add useful detail.

Bootstrap Farmer’s heavy-duty polypropylene 1020 trays pair a mesh bottom with a five-tray pack for growers managing soil blocks in demanding propagation routines. The listed 21.25-by-10.75-inch dimensions give buyers a defined long-flat format for indoor or outdoor seed starting.

The mesh design is described as keeping plugs drained and aerated, which supports soil-block propagation as well as microgreens, wheatgrass, and fodder. BPA-free polypropylene is characterized as heavy-duty and long-lasting, making the trays relevant to growers who want sturdier reusable flats. Five trays provide room to separate batches, while the 2.25-inch listed height keeps the profile relatively shallow. The 1020-style footprint is the key space-planning consideration for benches and storage.

Skip it if you need ten mesh flats in one pack; BeGrit’s 1020 Mesh Bottom Trays come as a 10-Pack.

This set fits growers seeking heavy-duty 1020-style mesh trays for soil blocks and other propagation tasks. Its five-tray quantity and 21.25-by-10.75-inch footprint define the fit, so plan batch capacity and bench space accordingly.

Listed on Amazon as: Bootstrap Farmer Mesh Bottom 1020 Trays – 5 Pack Extra Strength Microgreens Soil Blocks Hyroponics

#2 · Best Paired 1020 Set

2. RooTrimmer 1020 Tray Sets

• Dimensions: 1 x 1 x 1 in
• Material: Plastic
• Size: 21L x 11 W x 2.5 H

Best for: For high-volume propagation.

Why it ranks #2: The ten-set listing pairs 1020 trays with mesh-bottom trays, giving growers both tray types for soil blocks; its title specifies a 20-by-10-inch format.

Ten solid 1020 trays come with ten matching mesh-bottom trays, giving soil-block growers 10 complete sets for separating growing and drainage tasks. The listing identifies the trays as 20-by-10-inch flats for microgreens, seed starting, hydroponics, and wheatgrass.

Each mesh tray provides drainage holes, while the matching solid tray offers a companion surface for the two-part workflow. Ten sets let growers organize many soil-block batches without relying on a single tray pair. The listing gives a 21-by-11-by-2.5-inch size, although another specification field shows inconsistent dimensions, so measure the actual available shelf area against the stated size before planning a tight fit. Plastic construction and included mesh and trays cover the core components.

Skip it if you want a single, consistent 1020 size specification; Bootstrap Farmer’s Mesh Bottom 1020 Trays list 21.25 by 10.75 inches.

Pick this bundle when you want ten mesh-and-solid tray pairs for a sizable propagation workflow. Its stated use range includes soil blocks and microgreens, but the conflicting dimension fields make it a less straightforward choice for tightly measured shelving.

Listed on Amazon as: RooTrimmer 10 Pack 1020 Trays and 10 Pack 1020 Mesh Bootom Trays, 20'' x 10'', Heavy Duty Propagation Flats for Microgreens, Seed Starting, Soil Blocks, Hydroponics & Wheatgrass (10 Sets)

#3 · Best Runoff Pair

3. RooTrimmer Soil Blocking Trays

• Dimensions: 12.01 x 14.76 x 3.27 in
• Material: Plastic
• Size: 14.76" L x 12.01" W x 3.27" H

Best for: For paired watering trays.

Why it ranks #3: This five-pack includes five microgreen trays and five solid trays, a useful combination for handling drainage; listed dimensions are about 14.76 by 12.01 inches.

Five mesh trays paired with five solid trays give soil-block growers both growing surfaces and water-catching bases in one set. RooTrimmer lists the trays at 14.76 by 12.01 by 3.27 inches, a deeper format for moving and watering seedlings as a batch.

The mesh-and-solid pairing lets growers place the growing tray over a solid tray, with the listing describing easy movement without water leakage and less watering time. BPA-free plastic, smooth surfaces, and rounded edges are presented as helpful for cleaning and reducing root disturbance during transplanting. Five sets support multiple batches, while the 3.27-inch listed height adds a deeper profile than a shallow flat. Consider that footprint when planning shelves or storage.

Skip it if you need 1020-style flats; Bootstrap Farmer’s Mesh Bottom 1020 Trays are listed at 21.25 by 10.75 inches.

This set suits soil-block growers who value paired growing and water-catching trays for moving batches together. Its 14.76-by-12.01-inch footprint and deeper 3.27-inch profile are important considerations for shelf fit and storage.

Listed on Amazon as: RooTrimmer 5 Pack Soil Blocking Trays(14"x12"x3"), Plastic Flat Plant Tray for Holding or Collecting Drainage Water, Elevated Microgreen Seed Starter Tray for Seed Germination (Black)

#4 · Most Complete Set

4. Aoriher Mesh and Solid Trays

• Dimensions: 12 x 3 x 15 in
• Material: Plastic
• Size: One Size

Best for: For paired tray workflows.

Why it ranks #4: Ten mesh-bottom trays and ten solid trays make this a substantial paired set; the listing describes mesh drainage and gives an approximately 15-by-12-inch format.

Ten mesh trays and ten matching solid trays give soil-block growers 20 pieces for a paired propagation and water-catching setup. Aoriher lists a 15-by-12-inch format, with the mesh base allowing excess moisture through while the solid trays provide a no-hole companion.

The paired pieces support moving plants with the mesh tray while using the solid tray beneath it, a combination suited to growers who want drainage and a separate water-catching surface. The mesh design is described as promoting airflow and root growth by passing excess moisture through. Ten sets can accommodate multiple batches, while the 15-by-12-inch format gives each batch a defined footprint. Plastic construction and open-base specifications are listed; consider storage space for both tray types.

Skip it if you want mesh flats without a second tray type to store; ILITING’s 10 Pack 15x12inch Mesh Tray lists mesh trays only.

Select this set if soil-block watering benefits from paired mesh and solid trays and you have room to store both. Its ten sets suit batch work, while the 15-by-12-inch footprint should guide bench and shelf planning.

Listed on Amazon as: Aoriher 10 Set/20 pcs Mesh Bottom Trays and Trays mat, Soil Blocking Trays Seed Starting Trays Plastic Seedling Starter Microgreen Growing Tray for Microgreen Plant Seed Tray 15 x 12 Inch

#5

5. BeGrit 15×12 Mesh Trays

• Dimensions: 11.81 x 14.57 x 1.18 in
• Material: Plastic
• Size: 15x12in 5-Pack

Best for: For compact five-tray batches.

Why it ranks #5: These five PP trays have mesh bottoms, stated 15-by-12-by-2.8-inch dimensions, and breathable drainage features suited to soil-block propagation.

Five 15-by-12-inch mesh trays give soil-block growers a manageable batch size in a compact footprint. BeGrit specifies a 2.8-inch height and a mesh bottom that drains excess water, supporting propagation work where controlled moisture and easy tray handling matter.

The mesh base is described as helping prevent waterlogging and promote root development, connecting drainage directly to soil-block and seedling care. At 15 by 12 by 2.8 inches, each tray offers a defined growing surface with a listed open-base and breathable design. PP plastic is described as sturdy and suitable for multiple seasons, while five trays can separate a modest number of batches. The footprint is smaller than 1020-style flats, so match it to the growing area and workflow.

Skip it if you need ten 15-by-12-inch mesh trays; ILITING’s Soil Blocking Trays 15x12inch Mesh Tray comes as a 10 Pack.

Choose this five-pack for soil-block starts when a 15-by-12-inch tray and a moderate batch count suit your space. Its mesh drainage and listed 2.8-inch height fit propagation work, but larger operations may need more trays.

Listed on Amazon as: BeGrit Soil Blocking Trays 15×12 inch Seed Starter Trays 5 Pack Mesh Trays for Seedling, Microgreen, Soil Blocks, Wheatgrass

#6

6. ILITING 15×12 Mesh Trays

• Dimensions: 14.56 x 11.8 x 2.8 in
• Material: Polypropylene (PP)
• Size: 10P Mesh Trays

Best for: For compact growing spaces.

Why it ranks #6: The ten-pack offers a 14.56-by-11.8-by-2.8-inch footprint and polypropylene mesh bottoms, suiting growers who want multiple compact drainage trays.

At 14.56 by 11.8 inches, these ten ILITING mesh trays suit growers who need a compact surface for soil blocks on windowsills, shelves, or in greenhouses. The mesh bottoms drain excess water, helping keep the root zone aerated during seedling growth.

The 2.8-inch listed height gives these trays a deeper profile than a shallow flat, while the mesh base lets excess water drain to help reduce waterlogging. Their compact 14.56-by-11.8-inch dimensions are specifically described as suitable for windowsills, shelves, and greenhouses, making space planning more manageable. Ten trays support multiple batches or growing areas. The polypropylene construction is identified as durable and BPA-free in the supplied features, with breathable and open-base specifications also listed.

Skip it if you need 1020-style flats; BeGrit’s 10-Pack 1020 Mesh Bottom Trays lists a 20.86-by-10.62-inch outer top.

Choose these trays for soil-block starts where windowsill, shelf, or greenhouse space favors a compact footprint. The 14.56-by-11.8-inch size is the main boundary; growers wanting longer 1020-style flats should look elsewhere.

Listed on Amazon as: Soil Blocking Trays 15x12inch Mesh Tray 10 Pack Seed Starter Tray Mesh Bottom Trays for Soil Blocks, Seedling, Microgreen, Wheatgrass

#7

7. BeGrit 1020 Mesh Trays

• Dimensions: 15.75 x 11.81 x 11.81 in
• Material: Plastic
• Size: 1020 Mesh Tray

Best for: For ten 1020 mesh flats.

Why it ranks #7: Ten mesh-bottom trays provide a larger pack in a stated 20.86-by-10.62-inch outer footprint, though the listing supplies less material detail than higher-ranked options.

A ten-pack of mesh-bottom flats gives soil-block growers a substantial batch of drainage trays in a 1020-style format. BeGrit lists the outer top dimensions as 20.86 by 10.62 inches and the inner top as 20.2 by 9.84 inches, useful measurements for planning tray placement.

The mesh bottom supports drainage for soil blocks, seedlings, and microgreens, while the 2.36-inch listed height keeps the tray profile relatively shallow for bench or shelf arrangements. Ten trays make it possible to divide starts into separate groups or rotate batches. BeGrit provides both outer and inner top measurements, so growers can account for the usable opening as well as the tray’s overall footprint. The listing identifies plastic construction and drainage holes.

Skip it if you need paired mesh and solid trays; RooTrimmer’s 5 Pack Soil Blocking Trays includes both tray types.

This is a practical fit for growers preparing many soil-block batches in a 1020-style mesh flat. Use the outer and inner measurements to plan shelf clearance and usable space; select a paired kit if solid bases are part of your workflow.

Listed on Amazon as: BeGrit 1020 Mesh Bottom Trays for Soil Blocking, Seedling Starter, Microgreen Plant Seed Tray 10'' x 21'' 10-Pack

#8

8. ILITING 1020 Mesh Trays

• Dimensions: 20.86 x 10.62 x 2.36 in
• Material: Plastic
• Size: mesh tray 5 pack

Best for: For 1020-size soil blocks.

Why it ranks #8: Five 20.86-by-10.62-inch trays use virgin PP plastic and dense 0.19-inch drainage holes, making them a clearly specified smaller 1020-style set.

A five-pack of 20.86-by-10.62-inch mesh trays gives soil-block growers a familiar 1020-style footprint for organizing starts. Its dense 0.19-inch drainage holes let excess water pass through the base, supporting drainage and aeration in seed-starting, microgreen, or hydroponic setups.

The mesh bottom and 0.19-inch drainage holes help water move away from soil blocks, while the tray’s 2.36-inch height provides a shallow-sided surface for handling starts. Virgin PP plastic is described as odor-free, stable, strong, and flexible, supporting repeated use. With five trays in the pack, growers can separate batches or use several growing areas at once. Its 20.86-by-10.62-inch dimensions suit buyers seeking a 1020-style tray, but check available shelf or bench space.

Skip it if you need a paired solid-tray kit; RooTrimmer’s 5 Pack Soil Blocking Trays includes mesh and solid trays.

Choose this five-pack if your soil-block workflow needs several mesh-bottom trays in a 1020-style footprint. Its 20.86-by-10.62-inch dimensions are the key fit consideration, and buyers needing solid catch trays should select a paired kit.

Listed on Amazon as: 1020 Mesh Tray Soil Blocking Tray 1020 Trays Seedling Starter Trays 5 Pack Black 10×21 Inches for Microgreens Hydroponic

#9

9. MAHIONG 15×12 Mesh Trays

• Dimensions: 15 x 2.8 x 12 in
• Material: Plastic
• Size: 15 x 12 Inch

Best for: For large mesh-tray quantities.

Why it ranks #9: The 14-pack has mesh-bottom drainage and a 15-by-12-inch format in its title, but the supplied product details give limited material and construction information.

Fourteen 15-by-12-inch mesh-bottom trays give soil-block growers a high tray count for organizing many starts. The listing identifies drainage holes and names soil blocks, seedlings, microgreens, wheatgrass, hydroponics, and fodder among the intended growing uses.

The 15-by-12-inch format provides a consistent footprint for arranging trays across a growing area, while drainage holes allow water to pass through the base. Fourteen trays can help separate soil-block batches or accommodate several growing tasks at once. The listing identifies plastic construction and an 8-liter capacity, but supplies little detail beyond the basic tray format and drainage feature. Buyers should weigh the large quantity against their storage and batch needs before choosing this set.

Skip it if you want documented BPA-free plastic and paired trays; RooTrimmer’s 5 Pack Soil Blocking Trays lists both material and solid trays.

This pack suits growers who need many mesh flats for soil blocks and related propagation. Its 15-by-12-inch footprint and 14-tray quantity are the clearest fit factors; buyers needing detailed material information may prefer a more fully specified listing.

Listed on Amazon as: 14 Pack 15 x 12 Inch Seed Starter Trays, Plastic Garden Mesh Bottom Plant Germination Trays, Black Growing Tray for Seedling, Microgreen, Soil Blocks, Wheatgrass, Hydroponic and Fodder Systems

#10

10. Maedack Mesh Seedling Trays

• Dimensions: 10.6 x 21.3 x 2.4 in
• Material: Plastic, Polyvinyl Chloride (PVC)

Best for: For small starter batches.

Why it ranks #10: Its two PVC trays have dense drainage holes and a 21.3-by-10.6-inch footprint, but the small pack and less specific soil-block details make it less versatile.

Two 21.3-by-10.6-inch mesh-bottom trays offer soil-block growers a small starter set in a long, 1020-style format. The dense drainage holes are intended to reduce root oversaturation, while the sink design lets water reach the plant tray from beneath.

The mesh bottom and dense drainage holes support water movement around seedlings and soil blocks, while the described sink design allows water to reach the growing tray. Two trays keep the set suited to smaller batches or a limited number of growing areas. The listing identifies reusable PVC material with high hardness and toughness, and gives a 2.4-inch height. Its two-piece quantity is the main capacity limit for growers starting many trays at once.

Skip it if you need a larger tray count; BeGrit’s Soil Blocking Trays 15×12 inch Seed Starter Trays comes as a five-pack.

This set fits a small soil-block workflow that benefits from long mesh trays and the listed sink-style water access. Its two-tray quantity limits batch capacity, so consider how many starts you need to handle at once.

Listed on Amazon as: Tangshi 2 pcs Plastic Seedling Tray Seed Starters Growing Trays Mesh Bottom for Microgreens Soil Blocks Wheatgrass