Skip to product information
1 of 7

Jōbū Home

Cubrosa | Onyx Dusk – 70cm Extra Large Concrete Square Planter – 246L Block Plant Pot

Cubrosa | Onyx Dusk – 70cm Extra Large Concrete Square Planter – 246L Block Plant Pot

Regular price £899.95
Regular price Sale price £899.95
Sale Sold out
Shipping calculated at checkout.

Extra Large Square Planter – Ideal for Small Trees, Shrubs & Architectural Displays

Enhances patios, terraces, entrances and contemporary outdoor landscapes.

The Cubrosa extra large square planter is a bold, geometric statement piece meticulously crafted from pigmented cement stone. This exceptional planter seamlessly blends robust strength with a minimalist, sculptural form, making it an ideal choice for modern outdoor and indoor spaces.


  • 246L capacity – This generous volume is perfect for accommodating compact trees, statement shrubs, or elaborate mixed planting schemes. The ample space allows for extensive root development, ensuring optimal plant health and longevity.
  • 70cm H × 70cm W × 70cm D – The substantial dimensions of this square planter provide a commanding presence in any setting. With a spacious 63cm planting opening, it offers versatility for various planting styles and easy maintenance.
  • Premium pigmented concrete – The cement stone composition ensures durability while maintaining aesthetic appeal. The color permeates the entire structure, eliminating concerns about paint peeling or fading over time.
  • Indoor & outdoor use – Versatility is key with this planter. Its internal sealing, UV-stability, and frost-resistance make it suitable for both interior and exterior applications, withstanding various environmental conditions.
  • Pre-drilled drainage holes – Thoughtful design promotes healthy root systems and facilitates proper water management, crucial for plant vitality.
  • Reinforced & robust – With a substantial empty weight of 77kg and steel reinforcement, this planter offers exceptional durability and stability, even in high-traffic or exposed areas.
  • No assembly needed – Convenience is prioritized as the planter arrives ready for immediate positioning and planting, saving time and effort.
  • Low-maintenance – The planter's design emphasizes practicality, requiring only simple cleaning without the need for additional sealing or surface treatments.
  • Flat base – Ensures stability on any hard, level surface, providing flexibility in placement options.

Tip: Position the Cubrosa extra large square planter in its final location before filling to avoid the challenge of moving it once planted, given its substantial weight.


Why Choose the Cubrosa Square Planter?

  • Architectural square form – The clean lines and bold structure of this 246L capacity planter make it ideal for framing entrances, dividing spaces, or creating focal points in landscaped areas.
  • Durable 246L capacity – This expansive volume accommodates deep root systems and mature plantings, allowing for long-term growth and impressive displays.
  • Natural, raw texture – Each planter features a hand-finished surface with subtle pitting, imparting a unique artisanal character that adds depth and interest to the cement stone construction.
  • Premium cement stone – The use of high-quality materials ensures long-lasting color integrity and superior wear resistance, maintaining its appearance over time.
  • Engineered strength – Steel reinforcement enhances the planter's resilience, making it suitable for use in public spaces and high-traffic areas without compromising on style.
  • Weatherproof design – The combination of frost-safe properties, UV-stability, and internal sealing ensures lasting performance in various climatic conditions.
  • Colour integrity – The Onyx Dusk finish blends charcoal, grey, and black tones throughout the planter, resisting fading or flaking for enduring visual appeal.
  • Sustainably crafted – Handmade with minimal waste, this planter aligns with ethical and long-life product values, appealing to environmentally conscious consumers.

Full Description

Introducing the Cubrosa – a powerful, geometric planter designed to command attention in contemporary landscapes. With its striking cube-like form and extra-large volume, the 70cm Cubrosa is perfect for creating symmetrical entrances, defining patio zones or housing small trees and dramatic foliage arrangements.

Each planter is handcrafted from pigmented cement stone, delivering raw, natural texture and visible artisanal pitting that ensures no two pieces are the same. The Onyx Dusk finish – a blend of charcoal, black and graphite-grey pigments – runs through the entire body of the planter, resisting chips, flakes or colour fade over time.

With its steel-reinforced structure and substantial 77kg unfilled weight, the Cubrosa is built for real-world use, even in exposed or public-facing settings. Its frost resistance, UV stability, and sealed internal walls make it suitable for year-round outdoor use, while discreet drainage holes ensure healthy plant development.

Strong, sculptural and low-maintenance, the Cubrosa square planter is a practical design piece that merges industrial durability with refined aesthetics.

View full details

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)