Extra Large Planters - Big Garden Pots and Giant Planter Boxes

Think big, grow bold with large pots! Perfect for making a statement in any landscape. Sigma Planters offer a wide range in extra-large outdoor planters. Small potted plants need frequent watering and can feel dwarfed in expansive spaces. Our oversized planting pots bring enduring elegance that complements your space, not overpower it. Large outdoor pots built to last, featuring a durable and reinforced construction. 

rectangular planter

Extra Large Trough Planters

$295.00 – $895.00

rectangular planter

Large Cube Planters

$295.00 – $1295.00

rectangular planter

Large Round Planters

$295.00 – $1295.00

Large Trough Planters – Extra Large Pots for Plants

Our most popular size is the Trough 1000 which comes in two widths and heights to give you flexibility. The Trough 1000 volume is usually enough for most plants. These are available in all Sigma’s exclusive in-house ranges below:

Built For All Weather

$195.00 – $749.00

Square-Cube-Pots

$195.00 – $749.00

$195.00 – $329.00

$195.00 – $329.00

$195.00 – $895.00

Square-Cube-Pots

$195.00 – $549.00

Square-Cube-Pots

$195.00 – $895.00

Manhattan-Trough-White

$195.00 – $329.00

Jakarta Trough

$189.00 – $489.00

Tall Trough Manhattan Charcoal Fibreglass Planter Box

Tall Trough

$329.00 – $795.00

Long Trough Milano Concrete Rectangle Planter

Long Troughs

$695.00 – $895.00

Every Sigma Planter features the same durable fiberglass core—equal in strength, durability, and weight. Choose your range based on aesthetic finish alone. All backed by our 3-year warranty.

Click to view all shapes and sizes in our Trough Planters
https://sigmaplanters.com.au/product/florence-lightweight-concrete-trough-planters/ 
Florence Trough 1000: L1000 H450 W450mm: 12.5KG
Florence Trough 1200: L1200 H500  W500mm: 18KG
Florence Trough 1500: L1500 H500  W500mm: 28KG
Florence Tall Trough 700: L700 W350 H700mm: 10.5KG
Florence Tall Trough 900: L900 W450 H900mm: 22KG
https://sigmaplanters.com.au/product/moscow-grc-forum-trough-planters/
Moscow GRC Charcoal Trough 850: L850 W350 H350mm: 8KG
Moscow GRC Charcoal Trough 1000: L1000 W450 H450mm: 12.5KG
Moscow GRC Charcoal Trough 1200: L1200 W500 H500mm: 18KG
Moscow GRC Charcoal Tall Trough 700: L700 W350 H700mm: 10.5KG
Moscow GRC Charcoal Tall Trough 900: L900 W450 H900mm: 22KG
https://sigmaplanters.com.au/product/alaska-grc-white-trough/
Alaska GRC White Trough 1000: L1000 W450 H450mm: 12.5KG
Alaska GRC White Trough 1200: L1200 W500 H500mm: 18KG
https://sigmaplanters.com.au/product/milano-concrete-trough/
Milano Concrete Trough 800: L800 x H400 x W350mm 7kg
Milano Concrete Trough 1000: L1000 x H500 x W400mm 10kg
Milano Concrete Trough 1200: L1200 x H600 x W500mm 15kg
Milano Concrete Trough 1500: L1500 x H500 x W400mm 20kg
Milano Concrete Trough 1800: L1800 x H400 x W350mm 20kg
Milano Concrete Trough 2000: L2000 x H500 x W400mm 24kg
Milano Tall Trough 800: L800 W350 H800mm: 15Kg
Milano Tall Trough 1000: L1000 W400 H1000mm: 24Kg
https://sigmaplanters.com.au/product/manhattan-trough/
Manhattan Charcoal Trough 800: L800 x H400 x W350mm 7kg
Manhattan Charcoal Trough 1000: L1000 x H500 x W400mm 10kg
Manhattan Charcoal Trough 1200: L1200 x H600 x W500mm 15kg
Manhattan Charcoal Trough 1500: L1500 x H500 x W400cm 20Kg
Manhattan Charcoal Trough 1800: L1800 x H400 x W350mm 20kg
Manhattan Charcoal Trough 2000: L2000 x H500 x W400mm 24kg
Manhattan Charcoal Tall Trough 800: L800 W350 H800mm: 15Kg
Manhattan Charcoal Tall Trough 1000: L1000 W400 H1000mm: 24Kg
Warranty?

We proudly offer a 3-year warranty on all our planters to ensure you enjoy years of beauty and functionality. You can extend this warranty to 5 years at checkout.

This warranty covers manufacturing defects that affect the structural integrity of your planter.

What’s Not Covered:

Normal wear and tear: Fading and hairline cracks are natural occurrences over time and are not covered by the warranty.
Improper care: Damage caused by improper handling or use, such as blistering paint from leaving packaging on for more than 7 days, will void the warranty.
Modifications: Our planters are designed for stability on flat surfaces. Adding large, external feet that don’t provide full base support can cause bowing and void the warranty.
Misuse: This warranty applies to planters used for their intended purpose – growing plants. Using them as water features is not covered.

For warranty claims, please contact us

Different Shaped Large Trough Rectangle Planters For all Occasions

 

Large Trough Planters 1200 – 1500

Make a statement with Large Trough 1200mm and 1500mm. Cultivate towering shrubs and flowing grasses.

Large Long Trough Planters

Long and Slim? We have the Trough 1800 and 2000 in both Manhattan Charcoal and Milano Concrete Finish.

Large Milano Trough Long

Trough 1800 and 2000's

$695.00 – $895.00 

Large Tall Trough Planters

Add privacy with Large and Tall Trough Planters come in most ranges and sizes from 700mm to 1000m high.

Tall Trough Florence

Tall Trough Planters

$329.00 – $795.00

Custom Painted Trough Planters

Save money with troughs in undercoat paint only so you can paint whatever colour you like or leave as is.

Tall Trough Florence

Jakarta Fiberglass

$189.00 – $489.00

Large Trough Customer Reviews

1 review for Manhattan Fiberglass Ivory White Trough

  1. Patty H.

    I absolutely love these planters. I bought 11 Manhattan Trough for my balcony which wraps around my unit and looks fabulous ! Quality, size & weight is great and the customer service was outstanding . Thank you Sigma. I am very happy !

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1 review for Moscow GRC Charcoal Tall Trough

  1. Antonietta

    The Moscow charcoal planter box presents my home entrance well. I have several products in this brand I purchased 3 years ago and the colour has not changed. They are still stunning and as new. I highly recommend them.

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Need a Hand Choosing Your Planters?

Call me directly on PH: 1300 371 450 and I can walk you through some options. Or email me for a quote or any questions on sales@sigmaplanters.com.au

Projects Using our Extra Large Trough garden pots

Why Choose Our Extra Large Planters?

3-Year Warranty for Durability

High Quality Paint:
UV-resistant

Marine-Grade Quality Fiberglass

Internally Sealed: Ready to Use

Built-in Feet for Proper Drainage

m

Large Cube and Square Planters – Extra Large Lightweight Outdoor Plant Pots

The Cube 500 and 600 are our most popular sizes in the cube garden pots. They give ample room for most medium sized trees and shrubs. We have these available in all in-house ranges below:

Florence-Cube

Florence Light Concrete

$99.00 – $329.00

Florence-Low-Square

Florence Low Square

$749.00 – $1095.00

Alaska-Cube

Alaska Off White

$99.00 – $329.00

Moscow-Charcoal-Cube

Moscow Rendered Charcoal

$99.00 – $329.00

Moscow-White-Cube

Moscow Snow White

$99.00 – $329.00

Manhattan-Cube

Manhattan Cube

$219 – $1495.00

Monaco-Cube

Monaco Rust

$99.00 – $329.00

Click to view all shapes and sizes in our Square and Cube Planters
https://sigmaplanters.com.au/product/florence-lightweight-concrete-cube-planters/ 
Florence Concrete Cube 400: H400 W400mm: 6KG
Florence Concrete Cube 500: H500 W500mm: 9KG
Florence Concrete Cube 600: H600 W600mm: 12.5KG
https://sigmaplanters.com.au/product/florence-low-square/
Florence Low Square 1000: H600 W1000mm: 37KG
Florence Low Square 800: H600 W800mm: 23KG
https://sigmaplanters.com.au/product/alaska-grc-white-cube/
Alaska GRC White Cube 400: H400 W400mm: 6KG
Alaska GRC White Cube 500: H500 W500mm: 9KG
Alaska GRC White Cube 600: H600 W600mm: 12.5KG
https://sigmaplanters.com.au/product-category/garden-pots/moscow-planters/
Moscow GRC Charcoal Cube 400: H400 W400mm: 6KG
Moscow GRC Charcoal Cube 500: H500 W500mm: 9KG
Moscow GRC Charcoal Cube 600: H600 W600mm: 12.5KG
Moscow GRC Ivory Cube 500: H500 W500mm: 9KG
Moscow GRC Ivory Cube 600: H600 W600mm: 12.5KG
https://sigmaplanters.com.au/product/manhattan-cube/
Manhattan Charcoal Cube 500: H500 W500mm: 7.5KG
Manhattan Charcoal Cube 600: H600 W600mm: 10KG
Manhattan Charcoal Cube 800: H800 W800mm: 20KG
Manhattan Charcoal Cube 1000: H1000 W1000mm: 30KG
Manhattan Ivory Cube 500: H500 W500mm: 7.5KG
Manhattan Ivory Cube 600: H600 W600mm: 10KG
Delivery?

Sigma Planters Free Delivery Policy

Enjoy free delivery on orders over $2000 in Brisbane, Gold Coast, Sunshine Coast, Sydney and Melbourne.

Easy Shipping Options

Once you enter your post code, we’ll present you with the rate based on your location. Let us know of any specific delivery instructions in the “additional information” section when you order online.

Need a Quote?

For areas outside our delivery zones, simply select the “Custom Quote” shipping and “Quote Only” payment methods during checkout.

*Please note: Minimum purchase is $2000 for all orders requiring a custom quote.

*Unfortunately in most cases freight rates are just too high for regional areas outside capital cities to make it financially viable to ship.

Local Pickup

Collect from one of our warehouses in Brisbane, Sydney or Melbourne

*PLEASE NOTE: Our warehouses are not open to the public like a shop. They are only available for the collection of orders purchased online.

All stock is kept in our Brisbane warehouse. While pickup is free from our Melbourne and Sydney warehouses, please allow 3–5 business days for the stock to get there.

At checkout, select “Local Pickup” for your city

We’ll prepare your order and send collection instructions within 48 business hours.

Collection Hours:

  • Weekdays: 9 AM – 3 PM

Upon arrival, please present your invoice number at reception.

Brisbane Warehouse:
20 Wood St, Bundamba QLD 4304

Sydney Warehouse:
40–88 Forrester Road, St Marys NSW  2760

Melbourne Warehouse:
65 Strzelecki Avenue, Sunshine VIC  3020

Shipping Cost Guide

*Minimum order is $500

Brisbane, Sydney, Melbourne (3-6 days)
Order > $2000 – FREE
Order < $2000 – $143.00

Gold Coast & Sunshine Coast (3-6 days):
Order > $2000 – FREE
Order < $2000 – $165.00

Canberra (4-7 days)
$286

Newcastle (4-7 days)
$286

Adelaide (4-7 days)
$330

Perth (5-10 days)
$550

*Delivery estimates are approximate and may take longer during peak periods. Weekends are not included in estimated delivery times.

Other areas by quote. Chose “Quote Only” in payment method at checkout. Please note: Minimum purchase is $2000 for all areas requiring a custom quote.

Delivery Process

  • We will pack your order and send you the tracking number and courier company details.
  • For delivery timing or rescheduling, please contact the courier company directly.
  • Deliveries are made by a single driver in a mid-size truck equipped with a tailgate and pallet jack.
  • The truck requires ample parking space and a clear path to your driveway or curb for the pallet jack and pallet of pots.
  • The driver cannot leave his truck unattended, will not get the pallet up stairs, a lift, or unpack your pallet.
  • The pallet and all packaging materials will be left at your address.

Pallets-Packed-For-Delivery

Returns/Insurance

Your planters are fully insured against damage during transit. Please notify us immediately if you notice any issues.

Additionally, they come with a reassuring 3-year warranty for your peace of mind.

Please note: We do not accept returns for change of mind. More Information

 

Low Square and Tall Square

If the Cube 1000 is too big for your planting needs, the Low or Tall Square could be more suitable alternatives. These options give the same benefits as the Cube 1000 while offering a reduced capacity. This makes them ideal for smaller spaces. The Low or Tall Square also suit plants with more modest growth requirements.

FAST DELIVERY

Customer Reviews of Large Square and Cubes

2 reviews for Florence Lightweight Concrete Cube Planters

  1. Sally S.

    My gardenias are really happy now and look great with the Florence Cube natural grey colouring of these pots

  2. Helen Allsop

    We are beyond thrilled with our new Florence concrete cube, we have planted a drooping Lilly Pilly and it is the centerpiece of our pergola area! Thanks for the great service Sigma 🤗

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Case Study: Manhattan Charcoal Cube 1000 - Our Biggest Pot - Click to see Video

The Cube 1000 is our largest planter in the entire Sigma range. Its volume surpasses the needs of any plant, and its majestic size is truly impressive.

Projects Using our Cube and Square garden pots

Companies We Have Worked With

Large Round Planters – huge outdoor pots

Search below for our largest round planters. We offer tall round and low round pots for all sized gardens. Their size and shape draw attention, making them a stunning centrepiece. The curved edges create a soft atmosphere, perfect for relaxing outdoor spaces. Upgrade from large terracotta pots.

Florence-Cube

Florence Low Round

$495.00 – $995.00

Florence-Cube

Milano Low Round

$749.00 – $895.00

Florence-Cube

Manhattan Round

$295.00 – $995.00

Florence-Cube

Florence Tall Round

$329.00 – $995.00

Learn More About Our Large Planters

 

Do You Need A Large Planter?
Basically, Big Plants Need Big Homes. There’s no strict rulebook for defining a large planter. Generally speaking, it’s any container that requires a two-handed lift. We’re talking dimensions that can range from a modest 60 centimetres to an impressive 200 centimetres or beyond.

Why size matters:

Rooted in Success: Big plants have big root systems. Large planters provide the essential space for these root structures to thrive. Without ample room, your greenery can become stunted, stressed, and even decline.

Community Living: If you’re planning a plant community, a larger planter ensures everyone gets their fair share of soil. This prevents overcrowding and promotes healthy growth.

In short, if your plants are large you need large planters. A large planter can be the perfect foundation for your green ambitions.

Why Buy Large Planters?
Safety and Stability: Large planters are essential for anchoring plants like trees. Their weight and size provide crucial stability, protecting both the plant and people.

Functional Design: Beyond safety, large planters are versatile design elements. Use them to create private zones within open spaces, guide foot traffic, or conceal less attractive areas. They’re modern alternatives to traditional dividers, adding a touch of nature and elegance.

Style and Impact: Large planters are bold statements that can transform a space. Whether it’s a striking centrepiece or a subtle complement, they add a touch of sophistication. They can breathe new life into dull areas and elevate the overall aesthetic of your interior or exterior.

In essence, large planters offer more than just a place to grow plants. They are functional, stylish, and capable of dramatically enhancing your space.

Built-In Feet Included: Elevated Design. No Drainage Issues

All planters come with feet built into the base of the planter to assist with drainage and stay mess free.

Waterproof: Internally Sealed for Effortless Planting

All planters are internally sealed with a water proof polyurethane resin. Just add premium quality potting mix and plants.

Pre-Drilled Drainage Holes: Reinforced for Additional Strength

drainage-holesAll planters have drainage holes approx 25-35mm in diameter. These are reinforced  to offer maximum durabilty and longevity. 

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