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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Lynn
Lexington, US
★★★★★ 5
This shelf is beautiful and well made.
Color: White, Size: 3Tier24in
Love this shelf!! It looks great in my bathroom and is both functional and easy to install. It is very well made and I have had many compliments. If you like this style I highly recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2026
J
Verified Purchase
Jeremey
Chelsea, US
★★★★★ 5
Great Looking Shelf
Color: Brown, Size: 4Tier48in, Color: Brown, Size: 4Tier48in
I love this shelf! It took two people to hang it and you definitely want to ensure you hit a stud on at least one side or 1-2 screws if mounting between studs. It is heavy but a single person can lift it, just not maneuver easily due to its dimensions. It has a ton of room and fits mini helmets nicely in my office. Where I mounted it made it difficult to an extent to install but if you are even somewhat handy, you’ll be fine. You absolutely need a stud finder to hang this shelf. Sorry, I’m married! I would buy this shelf, or versions of it, again. Very practical and useful to display autographs, housewares or decor. Last note: do not over tighten the poles. The wood is soft and the poles are light weight. They are not traditional black pipe and weigh far less.
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Reviewed in the United States on November 11, 2025
J
Verified Purchase
Jennifer Houben
Chelsea, US
★★★★★ 5
Very satisfied!
Color: Brown, Size: 3Tier48in, Color: Brown, Size: 3Tier48in
Quality product, very sturdy, real wood shelves, easy to put together and mount. Not too heavy and the size is nice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
H
Verified Purchase
Hayley C
Cuba, US
★★★★★ 5
AWESOME Look and Quality
Color: Brown, Size: 2Tier60in
I love these shelves and have bought additional for other areas in the house. I love the look of the industrial pipes, the color of the shelves is perfect, they are sturdy and hold a lot of weight. They are somewhat difficult to assemble, but it's expected as hanging shelves are never fun to hang. I love them. If you are on the fence, just do it :)
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Reviewed in the United States on October 10, 2025
D
Verified Purchase
Dustin O
Dallas, US
★★★★★ 4
Nice, but a bear to install
Color: Black, Size: 3Tier48in
Quality product that looks good on our shiplap wall of the wet bar space. The install was a real trip and extremely difficult. You definitely need 2 or more people to install as the direction tell you to put the entire item together, then hang on the wall. This makes it impossible to do yourself.
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Reviewed in the United States on April 20, 2026

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