Garland 28 Cell Deep Root Success Kit - Deep Root Trainer Propagator

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The Garland 28 Cell Deep Root Success Kit is a complete propagation system designed for raising plants that benefit from deep, well-developed root systems. Combining 28 reusable split growing cells with a base tray and clear ventilated propagator lid, it provides a practical all-in-one system for sowing, growing and transplanting young plants.

The distinctive deep cells provide considerably more vertical rooting space than a conventional shallow seed tray. Their ribbed internal design encourages developing roots downwards, while the open-bottomed construction provides drainage and exposure to air at the base of each cell.

When plants are ready to move on, the individual cells open along their hinged side. This allows the root ball to be removed with less disturbance than pulling a plant from a conventional rigid pot, helping to preserve the established root structure during transplanting.

Fully assembled, the kit measures approximately 38 x 23.5 x 20cm, providing a compact propagation system capable of raising up to 28 individual plants at a time.

Why choose the Garland Deep Root Success Kit?

  • 28 individual deep growing cells - raise a full batch of plants while keeping individual root systems separated.
  • Deep root development - tall cells provide additional vertical space for developing roots.
  • Root-training design - internal ribs encourage roots to grow down the cell rather than simply circling around the sides.
  • Open cell bases - provide drainage and expose roots reaching the bottom of the cell to air.
  • Split cells for easier transplanting - cells open to release the root ball with minimal pulling or squeezing.
  • Reusable system - cells, tray and lid can be cleaned and used for subsequent propagation cycles.
  • Clear propagator lid included - helps create a protected environment during germination and early growth.
  • Adjustable ventilation - the lid incorporates a dial ventilator for managing airflow as seedlings establish.
  • Complete propagation kit - base tray, 28 growing cells and propagator lid are supplied together.
  • Compact footprint - raise 28 plants in an assembled unit measuring approximately 38 x 23.5cm.

Designed to encourage strong root development

The defining feature of the Garland Deep Root Success Kit is the shape of its individual propagation cells. Rather than using shallow cavities, each plant receives its own tall growing compartment.

This is particularly useful when raising plants that naturally produce vigorous or deeper root systems. Giving roots additional vertical growing space during propagation can allow plants to establish for longer before they need to be transplanted into larger containers or their final growing position.

The internal profile of the cells helps direct roots downwards. At the bottom, the open design allows excess water to drain and exposes roots that reach the base to the surrounding air.

This approach is intended to discourage the dense root circling that can develop when young plants remain in conventional smooth-sided pots for too long.

Split cells for easier transplanting

Transplanting is where the Garland system differs significantly from conventional plug trays. Instead of pushing a root ball through a small opening or pulling the plant from a rigid cell, the individual Deep Root cells are designed to open.

When a plant is ready for transplanting, the cell can be removed from the tray and opened along its split side. The established root ball can then be accessed directly.

This reduces the need to squeeze the container or pull on the plant, helping to keep the growing medium and root system together during transfer.

The split-cell design is also useful when checking root development. Growers can inspect an individual plant before deciding whether the batch is ready to transplant.

Complete covered propagation system

The Deep Root Success Kit includes a clear propagator lid that sits over the base tray and growing cells. The cover creates a more protected environment around newly sown seeds and young seedlings during their early development.

A dial ventilator in the lid allows airflow to be adjusted as plants establish. Ventilation can be progressively increased as seedlings develop and become better able to cope with the surrounding growing environment.

The transparent cover allows light to reach the plants while making it easy to monitor development without repeatedly removing the lid.

As seedlings grow, monitor temperature, humidity and ventilation carefully. The propagator lid should not be treated as a substitute for appropriate crop management, and young plants should be acclimatised to their growing environment as they develop.

What can you grow in a deep root trainer?

Deep propagation cells are particularly useful for plants where establishing a substantial root system before transplanting is beneficial.

Application Why deep cells are useful
Sweet peas Provide additional depth for vigorous young root systems during early growth.
Beans Allow seedlings to establish individually before being moved to their final growing position.
Peas Useful for starting individual plants under protected conditions before transplanting.
Young trees Deep cells provide greater vertical rooting space than a conventional shallow seed tray.
Shrubs Suitable for suitable seed-raised or propagated plants that benefit from deeper early root development.
General propagation Useful for other plants that benefit from being raised individually in deeper cells before transplanting.

How to use the Garland Deep Root Success Kit

Fill the cells

Fill each cell with an appropriate propagation growing medium, settling it gently without excessive compaction. The growing medium should provide the moisture retention, aeration and drainage required by the crop being raised.

Sow or insert plant material

Sow seeds at the depth and rate recommended for the chosen species. Water carefully after sowing and allow excess water to drain.

Fit the propagator lid

Place the clear lid over the tray where covered propagation is appropriate. Adjust the ventilation according to the requirements of the crop and growing environment.

Manage moisture carefully

The narrow, deep cells should be monitored to ensure the growing medium remains appropriately moist throughout the root zone. Avoid allowing the medium to become excessively saturated.

Transplant when established

When the plant has developed sufficiently, remove its cell from the tray and carefully open the split cell. Transfer the intact root ball into a larger container or final planting position as appropriate.

Garland 28 Cell Deep Root Success Kit product details

Manufacturer Garland
Product type Deep root trainer & covered propagation kit
Number of growing cells 28
Cell design Deep, reusable split propagation cells
Cell base Open for drainage & root exposure to air
Assembled dimensions 38 x 23.5 x 20cm
Propagator lid Clear lid included
Lid height Approximately 8cm
Ventilation Adjustable dial ventilator
Reusable Yes
Kit includes Base tray, 28 split growing cells & clear ventilated propagator lid
Outer case quantity 4 kits
Typical applications Deep-rooted seedlings, vegetables, flowers, young trees, shrubs & general propagation

Garland 28 Cell Deep Root Success Kit FAQs

What is included with the Garland Deep Root Success Kit?

The complete kit includes a base tray, 28 reusable deep split growing cells and a clear propagator lid with adjustable ventilation.

How many plants can I grow at once?

The system contains 28 individual cells, allowing up to 28 plants to be raised separately at one time.

What size is the assembled propagator?

The assembled kit measures approximately 38cm long x 23.5cm wide x 20cm high.

Why are the cells deeper than normal seed tray cells?

The extra depth provides more vertical space for root development, making the system particularly useful for plants that benefit from establishing deeper or more vigorous root systems before transplanting.

What is the purpose of the ribs inside the cells?

The ribbed cell profile helps guide developing roots down the cell rather than allowing them simply to follow the sides of a smooth container.

Why are the bottoms of the cells open?

The open bases allow excess irrigation water to drain and expose roots reaching the bottom of the cells to air.

How do I remove a plant without damaging its roots?

Remove the individual cell from the tray and carefully open its split side. This provides access to the root ball without having to pull the plant from a rigid pot or force it through the bottom of a plug tray.

Can the Deep Root cells be reused?

Yes. The cells are designed for reuse. After transplanting, remove remaining growing media and root material, clean the components and allow them to dry before the next propagation cycle.

Does the kit include a propagator lid?

Yes. A clear propagator lid is supplied as part of the complete kit. The lid is approximately 8cm high and incorporates an adjustable dial ventilator.

When should I open the propagator vent?

Ventilation should be adjusted according to the crop and growing conditions. As seedlings establish, increasing airflow can help acclimatise them to the surrounding environment and manage excess humidity.

What plants are suitable for the Garland Deep Root Success Kit?

The system is particularly useful for crops that benefit from deeper early root development, including sweet peas, peas, beans and suitable young trees and shrubs. It can also be used for other plants where individual deep-cell propagation is advantageous.

How many kits are supplied in an outer case?

The outer case quantity is 4 complete Deep Root Success Kits.

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£9.95