Root Trainer Seed Tray - 45 Cell - Gardening Naturally - RTR
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The Gardening Naturally 45 Cell Root Trainer is an ideal solution for gardeners looking to grow healthy vegetables, trees, and shrubs from seed. Its primary benefit is the deep cell design that encourages downward root growth, preventing spiral root development and ensuring plants establish quickly when transplanted; however, the larger size of the tray requires ample space on your propagation bench or staging area.
All features
| Model Part Number | RTR |
|---|---|
| Brand | Gardening Naturally |
Extended Product Information
FAQs
Can I use this for flowers as well as vegetables?
Yes, it is excellent for any plants that benefit from deep root growth, such as sweet peas or deep-rooting perennials.
How deep are the individual cells?
The total height of the unit is 15.7cm, providing significant vertical space for root expansion.
Do I need a separate tray or stand to hold it?
No, the design is self-supporting and can be placed directly on any flat bench or staging.
Are the cells individual pots or connected?
They are a connected, single-mold tray layout which keeps the units stable and easier to water.
What is the best way to clean these for reuse?
Use warm soapy water and a soft brush. Ensure they are completely dry before storing them away for the season.
Troubleshooting
Difficulty removing plants from the cells
Gently squeeze the sides of the cell to loosen the root ball or use a thin wooden label to slide along the inner edge before lifting.
Water pooling at the base
Ensure the tray is placed on a surface with adequate drainage and that the 15mm holes are not obstructed by heavy soil clumps.
Pros and Cons
Pros
- Prevents root spiraling for better transplant survival
- Generous 233ml compost capacity per cell
- Self-supporting, sturdy construction
- Encourages vigorous tap root development
- Excellent for long-rooted plants like sweet peas
Cons
- Larger footprint compared to standard shallow seed trays
- Deep cells require more compost per plant
- Not suitable for very small, shallow-rooted seedlings
Setup, Compatibility & Care
To begin using the tray, ensure you are using a high-quality, free-draining seed compost. Fill each cell to within 1cm of the top and gently tap the tray to settle the soil without over-compacting. After planting your seeds, place the tray on a level surface such as a greenhouse staging or a sunny windowsill.
For maintenance, monitor moisture levels regularly; because these cells are deep, they hold moisture well, but they should not sit in standing water. Once the growing season concludes, clean the tray thoroughly with a mild disinfectant and warm water to remove residual soil and prevent pathogens. Store the tray in a dry, shaded area during the winter months to maintain the integrity of the plastic and prevent brittleness.