Best 72-Inch Window Boxes for Curb Appeal and Easy Garden Display

Find the right 72-inch window box to elevate your outdoor space. This guide covers five top choices, each selected for durability, ease of installation, and long-lasting appeal. Best for homeowners seeking large-scale, low-maintenance planters that can anchor a front porch, balcony, or sunroom exterior. The top picks include built-in water reservoirs, UV resistance, and customizable lengths for DIY-friendly setups. Below, compare features, best uses, and potential limitations to help you choose with confidence.

Product Brand Length x Width x Height
Nantucket 6ft Window Box (Black) Mayne 72 in L x 11.6 in W x 10.2 in H Built-in 6.5 gal water reservoir; UV-resistant resin
Nantucket 6ft Window Box (White) Mayne 72 in L x 11.6 in W x 10.2 in H UV-resistant; built-in water reservoir
72in Galvanized Tapered Window Box Generic 72 in L x 8 in W x 7 in H Powder-coated steel; rust-resistant
Yorkshire Window Box, 6 ft (White) Mayne 72 in L x 12 in W x 10 in H High-quality vinyl; easy to assemble and customize
Mayne Fairfield 5ft Window Box Mayne 60 in L (approx.) Self-watering, UV-stable, steel mounting hardware

Mayne Nantucket 6ft Window Box – Black

Mayne Nantucket 6ft Window Box – Black

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This 72-inch window box uses 100% high-grade polyethylene resin and includes built-in UV inhibitors to resist fading. The double-wall design adds insulation for soil, helping plants stay moist and healthy between waterings. Best for homeowners wanting a long-lasting, low-maintenance planter with a classic look. Choose this if you prefer a traditional black finish and built-in water reservoir for easy irrigation. Caution: The size and weight of the finished product may require solid mounting hardware and precise wall support.

Mayne Nantucket 6ft Window Box – White

Mayne Nantucket 6ft Window Box – White

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White Nantucket matches the black version with 72 inches of planting space and the same built-in 6.5 gallon water reservoir. It’s best for modern white or light-finish exteriors seeking a cohesive, sunlit look. The UV-stabilized resin helps maintain color in bright sun. Opt for this if you want a brighter, cleaner aesthetic and straightforward maintenance. Limitation: White finishes may show dirt more readily, requiring periodic cleaning to maintain crisp lines.

72in Galvanized Tapered Window Box

72in Galvanized Tapered Window Box

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This 72-inch window box is made of steel, hand-made for durability, and powder-coated to resist rust. The tapered design concentrates soil space toward the center, which can support fuller plant displays. Best for steel-and-metal aesthetics or industrial-modern exteriors. Choose this if you need a rugged, long-lasting option and are comfortable with a metal planter. Limitation: Heavier than resin equivalents, requiring stronger mounting and possibly more secure installation.

Yorkshire Window Box, 6 ft (White)

Yorkshire Window Box, 6 ft

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Yorkshire Window Box offers durability with high-quality vinyl, ready-to-assemble components, and 6-foot length. It is highly customizable for DIY projects—cut to desired length and paint as needed. Best for buyers who want a modular, paint-ready look and easy assembly. Better for those who prefer a light, plastic-inspired finish. Limitation: May require tools and time to cut to length and assemble, which could extend setup for first-time buyers.

Pemberly Row 6ft Weatherproof Vinyl Window Box

Pemberly Row 6ft Window Box

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With a double-wall vinyl design and built-in water reservoir, this 6-foot window box emphasizes weather resistance and easy mounting. Best for users who want a sturdy, low-maintenance planter with simple assembly. Choose this if you value a clean white finish and a fully customizable length. Limitation: Vinyl sizing can limit flexibility if you need exact 72-inch matching across multiple boxes.

Garden Artisans 72 in Window Hayrack Planter

Garden Artisans 72 in Window Hayrack Planter

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This 72-inch hayrack planter features a steel basket coated in black PVC for rust protection and two compartments, designed for a bold, wide display. Best for exterior walls with ample mounting support and a modern, industrial look. Choose this if you want a substantial, statement piece. Limitation: The wagon-style design may require more vertical space and securing hardware than standard window boxes.

Buying Guide: Key Considerations For 72-Inch Window Boxes

  • Material matters: Resin, vinyl, steel, and zinc-coated metals each offer different durability, weight, and upkeep. Choose based on climate and maintenance preferences (UV exposure, rainfall, freeze-thaw cycles).
  • Water management: Built-in reservoirs simplify irrigation, but consider plant types (drought-tolerant vs. moisture-loving) and drainage needs for each model.
  • Mounting and support: Large 72-inch boxes demand sturdy mounting hardware and wall support. Check included hardware and wall compatibility before installation.
  • Customization vs. ready-to-use: DIY-friendly models allow length adjustments, but require time and tools. Pre-fabricated options offer quick setup with fewer steps.
  • Aesthetic fit: Consider color, finish, and profile to complement your home’s architecture and other planters. Neutral tones blend with most exteriors, while bold finishes make a statement.

Frequently Asked Questions

  • What is the typical installation process for a 72-inch window box?
    – Most come with mounting brackets and hardware. Measure your wall, ensure studs or solid backing, and follow the manufacturer’s instructions for level mounting and securing supports.
  • Which 72-inch window box is best for busy homeowners?
    – Models with built-in self-watering reservoirs and UV-resistant resin coatings are ideal for low maintenance and long color retention.
  • Can 72-inch window boxes be shortened?
    – Some vinyl and aluminum options offer length customization; others require selecting the exact length as produced. Always verify with the product page or manufacturer.
  • Which finishes resist fading in sun exposure?
    – UV-stabilized resins and vinyl finishes generally resist fading better than bare metal or untreated plastic.
  • Do these window boxes support heavy plantings?
    – Yes, but ensure the mounting hardware, wall backing, and soil weight are considered to prevent sagging or detachment.
  • Are 72-inch window boxes suitable for balconies?
    – Yes, provided the balcony has adequate load-bearing capacity and weather exposure is monitored.