SKU: 20068865033
rectangular planter box indoor

rectangular planter box indoor Julian Rectangle Block Fiberglass Planter Box, 30" x 12" x 24" Trough Span w/ Drainage - Barrier, Divider Outdoor / Indoor

Sale price$25.37 Regular price$28.19
Save 10%

Pay in installments of $7.05 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

rectangular planter box indoor Julian Rectangle Block Fiberglass Planter Box, 30" x 12" x 24" Trough Span w/ Drainage - Barrier, Divider Outdoor / IndoorJulian 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


Save Extra 10% OFF Entire Order ($125 Minimum) with Code GET10

Enjoy always free, fast shipping. Typically the same business day or the next.

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: 20068865033

Discover Niche Categories That Outsell rectangular planter box indoor

Top-Converting Item to Boost Your Average Order

4.7 ★★★★★
Based on 16 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
John Li
Boise, US
★★★★★ 4
Good product
Pattern Name: 16x25x1, Style: Merv 5
Affordable product but looks a little flimsy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
L
Verified Purchase
LARRY ODOM
Louisville, US
★★★★★ 5
Well Made and Beefy 💪🏼🏆
Pattern Name: 20x20x1, Style: Merv 11
Some air filters are wobbly and cheaply made, but not these. Amazon didn’t skimp when they sourced these. They are as good as any name brand filter. We use these on Pelonis box fans to aid in filtering the air, and keep air moving🌬️✨
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
M
Verified Purchase
Matthew
Fort Morgan, US
★★★★★ 5
Great value filters – do the job well
Pattern Name: 12x12x1, Style: Merv 8
These filters are a great value for the price, especially getting a 6-pack. They fit perfectly (just keep in mind the actual size listed), and installation is quick and easy. I’ve been using them regularly and they do a solid job catching dust and keeping the air clean without restricting airflow. Good balance between filtration and performance. Nice to have multiple on hand so I can swap them out regularly without thinking about it. I’ll definitely keep buying these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
S
Verified Purchase
S. Alverson
Phoenix, US
★★★★★ 5
Great Value Air Filters
Pattern Name: 20x20x1, Style: Merv 11, Pattern Name: 20x20x1, Style: Merv 11
These Amazon Basics air filters fit perfectly and were easy to install. They help keep the air cleaner and the HVAC system running smoothly. Good quality for the price, and the 6-pack is convenient to have on hand for future filter changes. Definitely a great value purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 14, 2026
M
Verified Purchase
Matt Lawrence
Natrona Heights, US
★★★★★ 5
Cool, Fluffy, and Excellent Value
Color: White, Size: Queen (Pack of 2)
I recently got the Utopia Bedding Queen Size Bed Pillows (set of 2), and they’ve quickly become my favorite pillows for a good night’s sleep. Right out of the package, they fluffed up nicely and feel soft yet supportive. The down alternative filling gives a plush, comfortable feel without being too firm or too flat, and the gusseted design adds extra support for back, stomach, or side sleeping. I’ve tried them in all positions, and they hold up well without collapsing overnight. Another big plus is that they stay cool while I sleep. Even during warmer nights, I don’t feel overheated, which makes a huge difference in comfort. The pillow covers are smooth and feel like hotel-quality fabric, giving the bed a clean, luxurious look. The only minor thing is that they may take a little time to reach full fluffiness after the first wash, but that’s normal for down alternative pillows. Overall, these are soft, supportive, and high-quality pillows at a great price. They’ve improved my sleep noticeably, and I’d definitely recommend them for anyone looking for a comfortable, versatile pillow set
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026

recommand products