128 Cell Trays vs 72 Cell Trays: Which is Better?

When deciding on propagation trays, understanding the differences between 128 cell trays and 72 cell trays can greatly influence your gardening success.

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What are 128 Cell Trays?

128 cell trays are seedling trays designed with 128 individual planting cells. They are typically used for starting a larger number of small plants such as herbs or flowers. Each cell holds a minimal amount of soil, making them ideal for growing seedlings that need space but can thrive in close proximity.

What are 72 Cell Trays?

72 cell trays have fewer cells—only 72—compared to 128 cell trays. Each cell in a 72 cell tray is larger and provides more space for plants that require more room to grow. These trays are often used for vegetables or larger seedlings that benefit from additional space.

Which is Better, 128 Cell Trays or 72 Cell Trays?

The answer to this question primarily depends on the type of plants you intend to grow. Here are several factors to consider:

1. Plant Type

If you are growing small plants or many seedlings, such as annual flowers or small herbs, 128 cell trays are more suitable. However, if you are starting larger plants like tomatoes or peppers, 72 cell trays are better because the wider cell size allows for better root development.

2. Available Space

Consider the space you have available for lighting and moisture. With 128 cell trays, you can fit more seedlings in the same amount of space compared to 72 cell trays. If you have limited space, opting for 128 cell trays can help you maximize your growing area.

3. Growth Rate

Seedlings in 128 cell trays often require transplanting sooner than those in 72 cell trays because the smaller cells can become crowded. If you're looking to grow your plants quickly and efficiently, you may prefer 128 cell trays. Conversely, for a slower and steadier growth cycle, 72 cell trays are a good choice.

4. Watering Requirements

When using 128 cell trays, you may need to water more frequently because each cell holds less moisture. Conversely, the larger cells in 72 cell trays retain moisture longer, which can be beneficial if you are unable to water daily.

5. Cost

Cost is another factor to consider. Generally, the cost per cell is lower in 128 cell trays, allowing you to start more plants at a lower price. However, if the goal is to grow a few larger plants efficiently, the 72 cell trays might be a more economical choice in the long run due to the reduced need for transplanting.

Conclusion

In summary, there is no one-size-fits-all answer to the question of whether 128 cell trays or 72 cell trays are better. Your choice should be based on the specific plants you are growing, your space, and your preferences for growth rate and maintenance. Evaluating these factors will help you select the most suitable tray for your gardening needs.