At a glance
- System
- STP · 33.5 × 51.5 cm
- Contents
- 1 cell tray with 54 integrated cells; support tray, mat, cover and growing medium not included
- Cells
- 54
Assembly and use
The reusable QP 54R cell tray provides 54 separate growing spaces that you fill directly with growing medium. Bottom openings and raised feet support drainage and aeration.
- Choose the cell size
Match cell size and growing time to the species and planned transplanting stage.
- Prepare the tray
Inspect the tray for cracks and clear bottom openings, then position it securely.
- Fill the cells
Fill the integrated cells directly with propagation growing medium suited to the crop.
- Sow or insert cuttings
Sow seeds or insert cuttings according to species-specific requirements, including sowing depth and moisture.
- Monitor watering
Water gently from above or use a compatible capillary system. Check drainage, base contact and growing-medium moisture.
- Transplant and clean
Carefully remove rooted plants and transplant at the appropriate stage. Then clean the tray and store it dry.
Contents and product details
- Item code
- QP-54R
- Contents
- 1 cell tray with 54 integrated cells; support tray, mat, cover and growing medium not included
- Model
- QP 54R
- Cell count and arrangement
- 54 (6 × 9)
- Cell shape
- round
- Cell width / height
- 50 / 55 mm
- Bottom opening
- 23 mm
- Volume per cell
- 88 ml
- Side rim
- 20 mm
- Material
- Polystyrene; reusable
- Tray footprint
- 335 × 515 mm
- Cell base dimension
- 38 mm
- Reuse
- The original description states 10 years or more with careful handling; actual service life depends on condition.
During propagation
Compatible set versions: STP QP 54R Watering Set – 54 Cells · STP QP 54R Tray & Base Set – 54 Cells · STP QP 54R Propagator – 54 Cells
Match light, temperature, sowing depth and moisture to the species. Choose cell size according to root development and the planned growing period.
Handling guidance
- Use on a level, stable surface and check for damage.
- Keep bottom openings clear and avoid standing water inappropriate for the crop.
- Support filled trays evenly and carry them carefully.
Cleaning and storage
Remove plant and growing-medium residues, clean gently with water and allow to dry before longer storage.
Before reuse, check for cracks, dirt and a suitable fit.
Manufacturer and product information
Frequently asked questions
What is supplied?
1 cell tray with 54 integrated cells; support tray, mat, cover and growing medium not included.
Do I need separate pots?
No. The cells are integrated into the tray and are filled directly with suitable growing medium.
How long can plants stay in the tray?
This depends on species, root development and cell size. Monitor rooting and transplant into larger containers or the bed at the appropriate stage.

Propagation in the STP system
The reusable QP 54R cell tray provides 54 separate growing spaces that you fill directly with growing medium. Bottom openings and raised feet support drainage and aeration.

Choose the components you need
1 cell tray with 54 integrated cells; support tray, mat, cover and growing medium not included.

Support each growing stage
Match light, moisture and the transplanting stage to the species.
Pairs well with
Selected additions for your plant care.
-
STP Support Tray for Cell Trays
€7,95 View productSTP Support Tray for Cell Trays – compatible with the STP system. Check the contents supplied with each item.
-
STP Watering Tray with Capillary Mat
€9,95 View productSTP Watering Tray with Capillary Mat – compatible with the STP system. Check the contents supplied with each item.
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Tall STP Propagation Cover – 12 cm Usable Height
€10,95 View productTall STP Propagation Cover – 12 cm Usable Height – compatible with the STP system. Check the contents supplied with each item.
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STP QP 54R Watering Set – 54 Cells
€14,95 View productPropagation set with compatible QP 54R tray: 1 QP 54R tray with 54 integrated cells and 1 base tray, 1 capillary mat.
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STP QP 54R Tray & Base Set – 54 Cells
€12,95 View productPropagation set with compatible QP 54R tray: 1 QP 54R tray with 54 integrated cells and 1 base tray.
-
STP QP 54R Propagator – 54 Cells
€24,95 View productPropagation set with compatible QP 54R tray: 1 QP 54R tray with 54 integrated cells and 1 base tray, 1 capillary mat and 1 lightweight tall cover.