Best Planters & Pots — 40cm (2026)
5 planters & pots matching size “40cm”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Planters & Pots UK (2026) guide.
£20.76
Pros
- Compact 40cm size suits patios and balconies
- Recycled plastic construction
- Simple, modern design suits most gardens
Cons
- No drainage holes pre-cut — needs piercing before use
#2 Pick
Ivyline Stoneware Ella Pot in Grey with Built-In Drainage, 40cm- Stoneware
- 40cm
Currently unavailable
Pros
- Frost-resistant and UV-stable for year-round outdoor use
- Built-in drainage protects roots from waterlogging
- Lightweight compared to genuine stoneware
Cons
- Large 40cm size needs a dedicated spot on the patio
Currently unavailable
Pros
- Dense fibreglass construction for stability
- Drainage openings prevent waterlogging
- Weatherproof for year-round outdoor use
Cons
- Limited colour options
£109.00
Pros
- Integrated self-watering system reduces upkeep
- Water level indicator shows exactly when to top up
- Weather-resistant, made in Germany
Cons
- Higher price than basic plastic planters
£16.99
Pros
- Rustic barrel styling suits cottage-garden looks
- Large 40cm diameter fits generous displays
- Sturdy build with pre-drilled drainage
Cons
- Heavier than plastic alternatives once filled
At a glance
- Products
- 5
- Price range
- £16.99–£109.00
- Average price
- £52.35
- Average rating
- 4.40 / 5
- Total reviews
- 904
- Top brand
- Elho (1)
- Price tier split
- Budget2Mid-range2Premium1
- In stock
- 3
Looking for planters that fit neatly into your space? Our selection of 40cm planters and pots offers a range of styles to suit small patios, balconies, or even indoor displays. These planters are perfectly sized at 40cm in diameter – ideal for growing herbs, succulents, or smaller flowering plants. Crafted from durable materials like terracotta or resin, they provide a robust base for your gardening endeavours. Consider the finish and material carefully depending on your aesthetic preferences and where you intend to place them.
FAQ
What type of plant would be suitable in a 40cm planter?
A wide variety of plants thrive in 40cm planters, particularly smaller varieties. Herbs like basil and rosemary, succulents such as echeverias, or compact flowering plants like petunias would all do well. Consider the mature size of your chosen plant.
What material are these 40cm planters typically made from?
You'll find 40cm planters in various materials including terracotta, resin (plastic), and ceramic. Terracotta is a classic choice offering good breathability, while resin is often lighter and more durable for outdoor use.
Do these 40cm planters come with drainage holes?
Most 40cm planters designed for general gardening purposes will include drainage holes to prevent root rot. However, always check the product description to confirm this feature before purchase.
Can I use these 40cm pots indoors?
Yes, resin and ceramic 40cm planters are suitable for indoor use. Terracotta is best suited for rooms with consistent temperatures and humidity levels to prevent cracking due to fluctuations.
How much soil do I need for a 40cm planter?
You'll typically need around 15-20 litres of potting mix for a 40cm diameter planter, depending on the plant’s root system and growth stage. It's always better to overestimate slightly than risk running out.
Are these 40cm planters suitable for outdoor use?
Many resin and ceramic 40cm planters are designed for outdoor use but check the product description for weather resistance details. Terracotta is best protected from prolonged exposure to rain and frost.
What tools do I need to plant in a 40cm planter?
You’ll need a small hand trowel, gardening gloves, and a watering can or hose to get started. Consider adding some horticultural grit for improved drainage if your chosen plants require it.
How often should I water my plants in a 40cm planter?
Watering frequency depends on the plant type, weather conditions and soil moisture. Check the top inch of soil daily; water when dry to the touch, ensuring good drainage.
Can I move these 40cm planters once they are planted?
While you can move them, it’s best to do so gently and carefully, especially if the plants have become established. Consider using a pot dolly for easier transport.
What is the warranty on these 40cm planters?
Amazon offers a standard returns policy for this product; you can return items within 30 days of receipt for a refund or replacement, provided they are unused and in their original packaging. Please refer to Amazon’s full terms & conditions for detailed information.