The Hydroponic City Seed Starter Tray Kit 1,440 Cells (240×6-Cell) — 1.5x2.25in Cells & 10 Plant Stakes

The Hydroponic City Seed Starter Tray kit contains 240 durable 6-cell trays (1,440 cells total) and 10 plant stakes to kickstart seed germination and early root development.

Whether you’re setting up a home greenhouse, seeding a community garden, or scaling up seasonal bedding plants, this kit provides uniform, reusable cells sized to encourage healthy roots and easy transplanting. Each cell is 1.5 inches square and 2.25 inches deep, balancing soil volume with drainage to support a wide range of seeds from delicate herbs to hardy vegetables.

How will these trays improve my seed starting success?

The tray dimensions and drainage design help prevent waterlogging while giving seedlings enough growing medium for strong roots. Consistent cell size means more predictable water and nutrient management across dozens of plants at once.

• 1.5" square × 2.25" deep cells reduce root-binding and encourage straight root growth.
• Strategic drainage slits lower the risk of overwatering and fungal issues.
• Uniform cell volume simplifies irrigation and feeding routines.

What makes these trays reusable and environmentally better than disposable options?

Built from durable materials, the trays are designed for repeated seasons of use, cutting waste and long-term cost per plant. Their sturdy construction resists cracking, and they clean easily for storage between cycles.

• Robust plastic construction resists warping and can be cleaned for reuse.
• Reusable trays reduce single-use plastic waste from peat pots and disposable flats.
• Compact 6-cell layout stacks and stores efficiently to save space when not in use.

How versatile are these trays for different plant types and growing setups?

The cell size works well for seeds and seedlings across categories—annuals, perennials, herbs, succulents, and many vegetable starts. Their scale fits indoors under grow lights, in greenhouse benches, or on outdoor potting tables.

• Suitable for fine seeds (with surface sowing) and larger seeds that need a deeper medium.
• Compatible with common greenhouse benches, humidity domes, and tray racks.
• Easy-to-label cells using the included THCity plant stakes for organized propagation.

How do the included plant stakes help organize my nursery work?

The kit includes 10 THCity plant stakes to label trays, mark rows, or identify experimental batches. Clear labeling saves time during transplant and reduces mix-ups when managing many varieties.

• Use stakes to record variety names, sowing date, or fertilization notes.
• Stakes slide into cell edges or tray rims without damaging roots.
• Durable markers withstand watering and handling throughout the seedling stage.

Who is this for: gardeners, hobbyists, small-scale growers, and classroom projects seeking a reliable, reusable tray system to raise many seedlings with consistent results. If you need a space-efficient, durable starter solution that makes labeling and transplanting straightforward, this kit is designed to streamline propagation workflows without single-use waste.