Extra Large Square Garden Planter 400L – Premium Strength & Statement Style
Make a bold impact in your outdoor space with this extra large 400L square garden planter, designed to combine classic styling with heavy-duty performance. Perfect for gardens, patios, commercial settings and landscaping projects, this planter delivers both visual appeal and practical functionality.
Part of the Prestige range, it offers professional-grade quality for both residential and commercial use.
Ideal for Trees & Large Planting Schemes
With a generous 400-litre capacity, this planter is perfectly suited for:
- Fruit trees and large shrubs
- Substantial root systems
- Statement planting displays
- Commercial landscaping projects
Its large size provides ample space for strong, healthy plant growth.
Durable, Lightweight & Weatherproof
Manufactured in the UK from UV-stable MDPE, this planter is built for year-round outdoor use:
- Frost-proof to withstand cold weather
- UV-resistant to prevent fading
- Lightweight compared to stone or concrete alternatives
- Low maintenance with no need for sealing or treatment
Designed to handle the demands of both domestic and commercial environments.
SuDS Compatible & Water Management Ready
Supplied without drainage holes, this planter offers maximum flexibility:
- Ideal for capillary watering systems
- Can be used as a water reservoir
- Compatible with SuDS (Sustainable Drainage Systems)
- Helps manage water efficiently in landscaping projects
The integrated design allows water levels to be monitored and controlled via a side outlet.
Stable & Practical Design
The wide square structure ensures excellent stability, even when planted with larger trees or placed in exposed areas.
Product Specifications
- Height: 670mm
- Width/Depth: 780mm (at widest point)
- Weight: 8kg
- Capacity: 400 Litres
- Material: UV-Stable MDPE
Why Choose This 400L Square Planter?
✔ Extra large 400L capacity
✔ Ideal for trees and large planting schemes
✔ Strong yet lightweight MDPE construction
✔ Frost-proof and UV-resistant
✔ Suitable for commercial and residential use
✔ Compatible with SuDS and water systems
✔ Low maintenance and long-lasting
✔ UK manufactured quality
If you’re searching for an extra large garden planter in the UK, tree planter or commercial outdoor planter, this 400L Prestige square planter offers the perfect balance of size, durability and professional performance.









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