512 Plug Tray
Ultra high-density tray for large-scale seed starting and propagation.
The 512-Cell Plug Tray is designed for starting a high volume of seedlings in minimal space. Its small individual cells support early root development while allowing growers to efficiently manage large planting projects.
Ideal for greenhouse use, market gardens, homesteads, and serious seed starters.
Why growers use 512 plug trays:
✔ Start 512 seedlings in one tray
✔ Maximizes space efficiency
✔ Encourages early root formation
✔ Ideal for small-seeded crops
✔ Great for transplant production
Perfect for starting:
Lettuce
Herbs
Flowers
Brassicas
Microgreens
Other small-seeded plants
Available now at Rockin’ E Country Store.
For Seed Starting
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Fill cells with fine seed starting mix
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Lightly press soil — avoid compaction
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Sow small seeds at proper depth
Watering Tips
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Bottom watering recommended
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Maintain consistent moisture
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Avoid overwatering due to small cell size
Transplanting
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Best for early-stage growth
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Transplant once roots are established
💡 Pro Tip: Use with humidity domes and heat mats for best germination results.
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512 individual cells
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High-density design
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Durable plastic construction
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Ideal for greenhouse or indoor propagation
Perfect for growers who want to produce a large number of uniform seedlings quickly.
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