SKU: 70962185724
black rectangular plant pots

black rectangular plant pots Matte Black / Extra Large 30" L x 12" W x 24" H

Sale price$23.31 Regular price$25.90
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Description

black rectangular plant pots Matte Black / Extra Large 30" L x 12" W x 24" HJulian Rectangle Fiberglass Planter Steel Reinforced Long Block Trough Indoor Outdoor Plants and Trees. Entryway, Patio, Privacy, Balcony Define Your Space with Clean, Modern Lines Material: Professional grade fiberglass for extreme durability and a refined aesthetic. Structural Integrity: Internal steel reinforcement to ensure perfectly straight, parallel walls along the 30" length. Application: Ideal for narrow spatial division, privacy screening,

Julian Rectangle Fiberglass Planter - Steel Reinforced Long Block Trough - Indoor / Outdoor Plants and Trees. Entryway, Patio, Privacy, Balcony

Define Your Space with Clean, Modern Lines

  • Material: Professional-grade fiberglass for extreme durability and a refined aesthetic.

  • Structural Integrity: Internal steel-reinforcement to ensure perfectly straight, parallel walls along the 30" length.

  • Application: Ideal for narrow spatial division, privacy screening, and defining walkway perimeters.

  • Indoor / Outdoor: Beautifully finished and optimized for high-traffic commercial interiors, rooftop decks, and contemporary residential balconies.

  • Finish: All-weather, UV-resistant architectural Matte Black.

  • Durability: Engineered to be shatterproof, frost-proof, and fade-resistant for year-round exposure.

  • Weight: High strength-to-weight ratio allows for easy placement while maintaining structural stability.

  • Drainage: Equipped with pre-drilled drainage holes and removable rubber plugs.

  • Free Fast Shipping - All Orders.

  • Dimensions: 30"L x 12"W x 24"H


Why Designers Choose the Julian Rectangle

The Julian Rectangle is the premier choice for professionals looking to maximize impact in narrow spaces. While a cube anchors a corner, this rectangular trough defines a line. If you have ever seen a standard plastic or resin trough "bow" or "belly" outward after being filled with soil, you will recognize the necessity of the Julian’s industrial-grade construction. It is designed to be a permanent, design-forward extension of your architecture.

In professional settings, these are most often used as "living walls" to create privacy between restaurant tables or to frame the perimeter of a rooftop deck. Because the 12" width is so slim and the Matte Black finish so sophisticated, the Julian Rectangle creates a clear boundary without sacrificing floor space. It anchors the environment, allowing your greenery to create a lush, vertical curtain.


The Science: Why Steel-Reinforcement Matters for Rectangle Planters

Longer planters are particularly susceptible to "bellying"—a phenomenon where the weight of heavy, wet soil forces the long side-walls to bulge outward. This ruins the crisp, architectural silhouette. To prevent this, NMN Designs integrates internal steel reinforcement into the Julian Rectangle.

This engineering ensures that even when housing a dense row of plants, the walls remain perfectly plumb and vertical. Combined with our commercial-grade fiberglass, you get a vessel that handles extreme thermal expansion (from scorching summers to sub-zero winters) without the cracking or brittleness found in standard retail pots.


Recommended Plant Pairings for the 30" Julian:

The 12" depth of the Julian requires a thoughtful selection of root-compatible plants. We recommend the following for health, aesthetics, and performance:

For Privacy and Height (Narrow Profile Specialists):

  • Sky Pencil Holly: The gold standard for 12" troughs. Its naturally columnar shape stays narrow and vertical without needing heavy pruning, providing a "living wall" effect.

  • Blue Arrow Juniper: A stunning, silvery-blue evergreen that is much more drought-tolerant and narrow-root-compatible than traditional Arborvitae.

For High-Contrast Color:

  • Red Star Cordyline: Features deep burgundy, sword-like leaves that look striking against the Matte Black finish.

  • Golden Creeping Jenny (as a "Spiller"): Plant these at the edges to create a vibrant, lime-green "waterfall" of foliage that pops against the dark fiberglass.

For Extreme Temperatures (Heat, Wind, and Frost):

  • Karl Foerster Feather Reed Grass: Virtually "bulletproof." It handles sub-zero winters and scorching summers with ease. Its tall, wheat-like stalks provide privacy and movement in the wind.

  • Green Mountain Boxwood: Extremely cold-hardy and classic. It can be easily maintained to fit the 12" width and provides a structured, formal look year-round.


Pro-Tips for the Best Results

  • High-Wind Stability: For exposed roof decks or coastal balconies, add 3 inches of heavy gravel at the base before adding soil. This lowers the center of gravity, ensuring your privacy screen stays upright during heavy gusts.

  • Thermal Protection: While the fiberglass is frost-proof, using an insulated liner inside the planter in extreme northern climates can help protect the root balls of perennial plants, ensuring they return season after season.

The Julian Rectangle Planter is made in India by NMN Designs®

Extra Large Fiberglass Planters - How big are they?

This image below illustrates the scale of the Cube and Rectangle Planters - near a building entrance or a chair. 

Click here to see all extra large planters


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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70962185724

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4.2 ★★★★★
Based on 13 reviews
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Verified Purchase
Judy Bastien
New York, US
★★★★★ 1
Total waste of money
I wouldnt give it one star but had to to leave a review. Just got these balls September 8, 2025. As of today we are on our third ball, September 13. My dog only used in field for fetch. He never layed down and chewed on it. The inside of the balls came apart. I pulled off felt to show where. The ball is otherwise intact. Never had this happen to any ball I ever bought. I researched and looked for good reviews even off Amazon because my dog is a border collie and loves to fetch. This is a huge waste of of money and bad for environment
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 13, 2025
K
Verified Purchase
Kylie Keizer
Fort Morgan, US
★★★★★ 3
Does the job
I do like that they come in bulk and that they weren’t too expensive but I definitely don’t think the quality is that high and they’re very easily falling apart but that’s probably because they are cheap. if you have a dog that is a they will get it into little pieces very soon after they have it. So I’ve had to put them up when we are done.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2024
S
Verified Purchase
stacily
Battle Creek, US
★★★★★ 2
Not durable
Why did you pick this product vs others?: I'm giving it 2 stars because these balls are not durable. They also don't bounce well. My dog cracks the seam easily. I will use them, but won't be purchasing again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 29, 2025
K
Verified Purchase
Katherine Honeycutt
Waukegan, US
★★★★★ 1
Falls apart within minutes!
I’m a real human and person (sad I have to say that) who bought these stupid balls for my dog because tennis balls are EXPENSIVE. She chewed on them only a few times and the balls split in half into two hemispheres right away. Plus, she could rip the felt off the entire ball in less than an hour. Absolutely terrible and I truly threw money away because I threw away the original packaging and so I can’t get my money back! Very disappointing and sad :-(. Turns out that Play Again sports sells used tennis balls for $0.35 each. Sorry, Amazon. I’m getting my tennis balls from them from now on 😠
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Reviewed in the United States on May 8, 2025
S
Verified Purchase
Stephanie G.
Carnegie, US
★★★★★ 1
Do Not Buy!!
I just opened these balls up and what a waste of money. They don't bounce at all. They are made not like how normal tennis balls are. They are filled with so much air on the inside to where they bust really easy. They also have so much glue on them and that even comes off really easy. I paid $ 25 and some change and what a waste. The first ball only lasted a few seconds it's already shredded and busted. I do have a dog with a strong mouth and that is why I picked these balls they seemed they were made to last. I have an Old English Bulldogge and the ball lasted only seconds. Threw the ball out to her she put it in her mouth and Poof not a ball anymore.DO NOT BUY AT ALL!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 20, 2023

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