Best Window Boxes Under $100 (2026)

Selections were ranked by a value score combining customer ratings, key features (drainage, self-watering, material), pack size, and overall cost under $100

Top Picks

  1. 1
  2. 2
  3. 3
    Mayne Fairfield 4ft Window Box - White

    Mayne Fairfield 4ft Window Box - White

    Mayne • ★ 4.0/5 • Mid-Range

    Durable self-watering resin window box with wall mount brackets. Features overflow drainage and all-season design; includes heavy-duty mounting supports. Customers praise visuals, sturdiness, and easy installation

    • self-watering feature
    • sturdy wall-mount brackets
    • fade resistant/durable
    Check current price on Amazon →
  4. 4
  5. 5
    Mayne Fairfield 2-Foot Window Box Planter

    Mayne Fairfield 2-Foot Window Box Planter

    Mayne • ★ 3.9/5 • Mid-Range

    Durable self-watering window box for outdoor use with wall mounts. Customers praise its sturdy construction, ease of installation, and effective watering for thriving plants

    • self-watering for thriving plants
    • durable, weather-resistant design
    • easy installation with concealed brackets
    Check current price on Amazon →
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10

Buying Guide

Material and durability

Choose a material that fits exposure and weight needs: ceramic offers aesthetics for small displays while resin and plastic give lighter, weather-resistant options for outdoor mounting

Drainage and water management

Look for built-in drainage holes or self-watering features to prevent root rot—self-watering designs reduce maintenance for exposed locations

Mounting and placement

Confirm whether the box supports wall- or railing-mounting and that its length and bracket compatibility match your windowsill or deck railing

Pack size and value

Consider multi-packs when covering multiple windows or railings; individual ceramic planters work well for single displays or succulents

Size and plant type

Match depth and length to the plants you intend to grow—shallow boxes suit succulents, while deeper, longer boxes are better for mixed annuals and herbs