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Cubrosa Onyx Dusk - 40cm Large Concrete Square Planter for Modern Greenery

Cubrosa Onyx Dusk - 40cm Large Concrete Square Planter for Modern Greenery

Regular price £111.99
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Cubrosa Onyx Dusk - 40cm Large Concrete Square Planter for Modern Greenery - plants - express.com

Cubrosa Onyx Dusk - 40cm Large Concrete Square Planter for Modern Greenery

Regular price £111.99
Regular price £111.99 Sale price
SAVE Sold out

Cubrosa | Onyx Dusk – Large Concrete Square Planter

Transform your space with the Cubrosa Onyx Dusk planter, designed to enhance the beauty of your herbs, shrubs, or feature plants.

The Cubrosa concrete planter seamlessly blends robust construction with minimalist design, providing a chic solution for both modern gardens and interior styles. Its striking cubic form not only serves as a visual centerpiece but also accommodates a diverse range of plant species.


  • 38L Capacity – Provides ample space for thriving herbs, compact shrubs, or bold indoor greenery.
  • Dimensions: 40cm (H) × 40cm (W) × 40cm (D) – Perfect size for versatile placement, featuring a 34cm opening for easy planting and maintenance.
  • Handmade from Pigmented Cement Stone – Features a unique finish that ensures longevity with color integrated throughout.
  • Indoor & Outdoor Use – Fully sealed interior and weather-resistant exterior for exceptional durability in any environment.
  • Drainage Holes Included – Prevent waterlogging and promote optimal plant health with perfect water management.
  • Weight: 19.5kg – Sturdy enough for outdoor settings, yet manageable for occasional moving.
  • Flat Base – Designed for stability on level surfaces, minimizing the risk of tipping.
  • Steel-Reinforced Core – enhances durability, ensuring the planter retains its shape and resists cracking.

Tip: Always position your planter before planting to avoid unnecessary handling after it’s filled, ensuring safe handling and preserving the integrity of your plants and the planter itself.


Why Choose the Cubrosa Concrete Planter?

  • Sleek Minimalist Design – Clean lines elevate contemporary and architectural spaces, adding a sophisticated touch.
  • Premium Concrete Material – Long-lasting color retention without the need for repainting, ensuring lasting beauty.
  • Distinctive Textured Finish – Artisanal surface treatment enhances the planter's visual appeal, making it a unique addition to any space.
  • Sturdy Weight and Strength – Ideal for both private patios and public spaces, providing excellent stability and security.
  • Weather-Safe – Offers protection against frost and UV radiation, ensuring longevity in various climates.
  • Stylish Onyx Dusk Colourway – A refined blend of charcoal, black, and grey that complements a wide range of plant types.
  • Sustainably Made – Eco-conscious production methods contribute to a lower environmental impact.
  • Modular Design Flexibility – Perfect for standalone use or creative group arrangements to enhance your outdoor decor.

Full Description

The Cubrosa square planter is a perfect harmony of form and function, designed to elevate any indoor or outdoor space with its contemporary geometric profile and industrial-grade durability. With its dimensions of 40cm in height, width, and depth, this large-format cube planter makes a bold statement suitable for urban balconies and expansive garden landscapes alike.

Each Cubrosa planter is meticulously crafted from premium pigmented cement stone, individually hand-poured for a unique surface texture that adds character. The integrated coloration ensures fade-free performance, maintaining visual appeal even in challenging conditions.

The sophisticated Onyx Dusk colorway showcases a rich fusion of charcoal, black, and soft grey tones, providing a striking contrast for various plants while integrating seamlessly with architectural elements and landscaping materials. With a generous 38L internal volume, this planter supports healthy root development for a wide variety of vegetation, from compact evergreens to aromatic herbs.

Designed for exceptional durability, the Cubrosa features internal sealing, frost-resistance, and UV-stability, ensuring year-round performance in diverse climates. The necessary drainage holes optimize soil moisture levels, while the steel-reinforced core enhances structural integrity, making it perfect for high-traffic areas.

Weighing in at 19.5kg, the Cubrosa combines stability with ease of movement, allowing for repositioning as needed. Its flat base guarantees secure placement on level surfaces, while the modular design is tailored for creative arrangements in varying sizes.

Investing in the Cubrosa concrete planter in Onyx Dusk means choosing a timeless solution that emphasizes both style and functionality, ensuring decades of use with its durable construction.

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30-Day Freshness Guarantee

We want you to love your new plant from the moment it arrives. That’s why we offer a 30-day guarantee — if your plant doesn’t arrive in fresh, healthy condition, we’ll replace it free of charge. Simple as that.


12-Month Peace of Mind Guarantee

For added reassurance, we also offer a 12-month guarantee. If your plant’s health noticeably declines after the first 30 days, you can purchase a replacement of the same plant at 50% off.
Standard Delivery – £4.99

Orders are typically dispatched and delivered within 2–5 working days.

Live plants spend no longer than 24–48 hours in transit.

All orders are shipped via tracked services with Royal Mail, Parcelforce, or DPD.

One delivery charge covers your entire order, no matter how many items you purchase.

Next Day or Named Day Delivery

Available for an additional £4.99 (weekdays) or £6.99 (weekends).

Place your order by 5 PM for next working day delivery.

Delivered via tracked 24-hour/next-day courier service.

Choose your preferred delivery date at checkout.

Delivery Coverage We deliver across most of the United Kingdom, excluding Northern Ireland and the following postcodes: IV, AB, HS, FK, KW, PA, PH, IM, JE, GY, ZE, TR21-25, and BF1.
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Returns & Refunds

If you need to return a living plant, please contact us within 60 days at hello@plants-express.com or via live chat (when available).

Kindly include a photo of the faulty or damaged plant to help us process your return swiftly.

Non-living items can also be returned for a full refund within 60 days, provided they are unused and in their original, resaleable condition.
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