TerraCottem arbor
Soil conditioner for trees and shrubs.
Life insurance for your trees.
More trees established. Fewer to replace.
When newly planted trees struggle to establish, the consequences go beyond slow growth. Replacement planting, extra site visits and additional maintenance increase costs and delay the intended results of your planting project.
Transplant stress, poor soil conditions and limited access to water and nutrients can restrict root development, leaving young trees vulnerable during establishment.
TerraCottem arbor helps improve survival and planting success by supporting stronger root development and healthier growth. Applied once, at planting, it helps trees establish and become more resistant to drought stress - giving you greater confidence in your planting project.
Watch how TerraCottem arbor works:
Combined action where trees need it most
TerraCottem arbor is a granular soil conditioner developed specifically for trees and shrubs. Its ingredients work together to improve water and nutrient availability and stimulate root development and plant growth. This combined action delivers 21% more plant growth than the sum of the individual components’ effects.
Components and their role:
- Growth precursors stimulate root development and early growth.
- Water-absorbing polymers retain water and make it available to roots between watering or rainfall.
- Fertilisers supply nutrients to support establishment.
- Humic acids improve nutrient availability in the root zone.
Benefits for your planting project
- Stronger root development and faster establishment
- Improved water and nutrient availability
- Healthier early growth
- Increased survival and greater resilience to drought stress
- Fewer replacements and less remedial planting work
| Italian alder in Berlin: extensive new root growth just six months after planting with TerraCottem. |
| 93% survival with TerraCottem, compared with 74% without. Scots pine planting trial, Rosenheim Forestry Office, Germany. |
How do I use it?
When to apply: at planting
Application frequency: Once, mixed thoroughly into the backfill soil
- Measure the plant hole size and use the required dose.
- Mix TerraCottem arbor thoroughly into the backfill soil.
- Plant, backfill and water thoroughly.
Continue appropriate watering and aftercare while the tree establishes.
How much do I use?
Determine the required quantity from the length, width and depth of the planting hole.
The examples below are calculated using the standard rate of 1.5 g per litre of backfill soil.
| Plant hole size | TCA rate |
|---|---|
| 20 x 20 x 20 cm³ | 20 g |
| 30 x 30 x 30 cm³ | 40 g |
| 40 x 40 x 40 cm³ | 100g |
| 50 x 50 x 50 cm³ | 185 g |
| 60 x 60 x 60 cm³ | 325 g |
| 70 x 70 x 70 cm³ | 500 g |
| 80 x 80 x 80 cm³ | 750 g |
| 90 x 90 x 90 cm³ | 1 kg |
| 1 x 1 x 1 m³ | 1.5 kg |
| 1.5 x 1.5 x 1.5 m³ | 5 kg |
👉 Calculate the quantity needed
How many trees can I plant with one pack?
Illustrative examples - actual quantities depend on plant hole size
| Planting example | 20 kg bag | 10 kg tub |
|---|---|---|
| Reforestation saplings - 20 g per tree | 1,000 trees | 500 trees |
| Fruit trees - 200 g per tree | 100 trees | 50 trees |
| Urban trees - approximately 1.4 kg per tree | 14 trees | 7 trees |
The number of trees you can treat depends on the dimensions of the planting hole. The examples below show approximate pack coverage, calculated using the standard application rate of 1.5 g per litre soil.
See TerraCottem in practice
Urban tree planting in Manchester
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At Great Ancoats Street, TerraCottem arbor was incorporated into the tree soil supplied by Green-tech for an urban planting scheme. Premixing the product into the soil helped save time and labour on site. |
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| 👉 Explore the Manchester project | |
More tree-planting results and professional experience
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| 👉 Explore survival results from other trials. Learn how landscape professionals use TerraCottem in their planting projects. |
Plan your next planting project
