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Rectangular Planters

All planters

23 rectangular planters from Mayne, LáLáGreen, Arcadia Garden Products and more. Most cost $26 to $194, and half cost less than $103.

Top brands: Mayne (5)

Bloem

Window box, Plastic, 24-inch, Rectangular

+24-inch length fits standard window ledges
+Drainage holes help prevent waterlogged roots
+Includes a saucer to catch runoff water
−Plastic may fade or crack in strong sun over time
No current price. Check it at the store.
Classic Home & Garden

Planter box, 8-inch, Rectangular

+Rectangular shape fits window sills
+Drainage plug helps prevent waterlogging
+Small 8-inch size for succulents
−Small size holds limited soil
$12.39-50%List: $24.99
as of 11/03/2026 23:17 PST - Details
LáLáGreen

Planter box, Metal, 36-inch, 2 Pots in the set

+Set of 2 boxes
+36 inch length for railing mounting
+Designed for outdoor use
$55.71-5%Was: $58.65
as of 11/03/2026 23:50 PST - Details
D'vine Dev

Plant pot, 12-inch, Rectangular

+Large 12 inch length with ample planting room
+Rectangular shape fits window boxes and ledges
+Drainage holes for excess water runoff
−Wider footprint takes more shelf space
$32.99
as of 11/03/2026 22:33 PST - Details
Arcadia Garden Products

Window box, Concrete, 17.5-inch, Rectangular

+Rectangular window box suits both indoor and outdoor use
+17.5-inch length fits narrow window sills
+Composite construction blends plastic, stone and wood
−No drainage hole means water can pool at the bottom
$26.13
as of 11/04/2026 00:46 PST - Details
Windiy

Plant pot, Wood, 17.3-inch, 1 Pots in the set

+Rectangular shape suits window sills and narrow spaces
+Wood material gives a natural look
+Includes an inner plastic box for drainage protection
−Wood can weaken over time with moisture exposure
$16.99
as of 11/04/2026 09:37 PST - Details
Vivosun

Window box, 10.5-inch, Rectangular

+Four-pack for multiple herb or plant placements
+Self-watering feature reduces how often watering is needed
+Suitable for both indoor and outdoor use
−Compact 10.5 inch size limits root space
$29.99
as of 11/04/2026 07:38 PST - Details
Veradek

Planter box, Plastic, Rectangular

+Suitable for outdoor use
+Tall rectangular shape suits privacy planting
+Made from plastic for a lightweight build
$189.99
as of 11/04/2026 07:35 PST - Details
Artketty

Window box, Ceramic, 12-inch, Rectangular

+Rectangular shape fits windowsills
+12 inch long size for trailing plants
+Suitable for indoor use
$27.99
as of 11/04/2026 04:41 PST - Details
Mayne

Window box, 24-inch, Rectangular

+Self-watering reservoir reduces how often plants need watering
+24-inch length fits narrower window sills
+Suitable for all-season outdoor use
$68.45
as of 11/04/2026 00:08 PST - Details
Veradek

Window box, Rectangular

+Rectangular window box shape for ledges and railings
+Designed for outdoor use
+Brixton series styling for a coordinated look
$139.99
as of 11/04/2026 07:36 PST - Details
Mayne

Window box, 36-inch, Rectangular

+Self-watering reservoir reduces how often plants need watering
+36-inch length suits a standard window sill
+Suitable for all-season outdoor use
$129.89
as of 11/04/2026 00:08 PST - Details
LáLáGreenSpec score 9.5

Window box, Plastic, 7 Pots in the set, Rectangular

+7 pack for multiple plants
+Drainage holes included
+Lightweight plastic construction
$26.99
as of 11/03/2026 23:50 PST - Details
Mayne

Window box, 36-inch, Rectangular

+Self-watering reservoir reduces how often plants need watering
+36-inch length suits a standard window sill
+Suitable for all-season outdoor use
No price recorded yet.
LáLáGreen

Window box, 48-inch, 2 Pots in the set, Rectangular

+Set of 2 boxes
+Long 48 inch length for wide displays
+Designed for outdoor use
$119.99
as of 11/03/2026 23:50 PST - Details
H Potter

Window box, Metal, 36-inch, Rectangular

+Rectangular shape with 36-inch length
+Drainage holes included
+Metal construction for outdoor use
$209.50
as of 11/03/2026 23:18 PST - Details
Greenline Manufacturing

Planter box, Fiberglass, 72-inch, Rectangular

+Usable indoors and outdoors
+Weather and UV-resistant fiberglass construction
+72 inch size gives a long planting area
No price recorded yet.
Cosapots

Plant pot, Fiberglass, Rectangular

+Long rectangular shape suits window boxes and rows
+Fiberglass body for lighter weight than stone
+Works indoors and outdoors
No price recorded yet.
Greenline Manufacturing

Planter box, Fiberglass, Rectangular

+Outdoor use for patios and decks
+Fiberglass material is lightweight compared to concrete
+Tall rectangular shape for deeper root space
$1,730.95
as of 11/03/2026 23:16 PST - Details
Achla Designs

Planter box, Rectangular

+Rectangular shape fits along sills and rails
+Designed for outdoor use
+Kit format includes everything needed to set up
$103.48
as of 11/04/2026 10:38 PST - Details
Mayne

Window box, 24-inch, Rectangular

+Self-watering reservoir reduces how often plants need watering
+Suitable for all-season outdoor use
+24-inch length fits narrower window sills
$129.99
as of 11/04/2026 00:08 PST - Details
Mayne

Window box, 60-inch, Rectangular

+Self-watering: only 7 of 23 here have one
$156.00
as of 11/04/2026 00:08 PST - Details

Compare specs

planterPlanter typeMaterialLargest sizeShapeSpec scorePrice
Window boxPlastic24-inchRectangularn/aNo current price
Planter box8-inchRectangularn/a$12.39
as of 11/03/2026 23:17 PST - Details
Planter boxMetal36-inchRectangularn/a$55.71
as of 11/03/2026 23:50 PST - Details
Plant pot12-inchRectangularn/a$32.99
as of 11/03/2026 22:33 PST - Details
Window boxConcrete17.5-inchRectangularn/a$26.13
as of 11/04/2026 00:46 PST - Details
Plant potWood17.3-inchRectangularn/a$16.99
as of 11/04/2026 09:37 PST - Details
Window box10.5-inchRectangularn/a$29.99
as of 11/04/2026 07:38 PST - Details
Planter boxPlasticRectangularn/a$189.99
as of 11/04/2026 07:35 PST - Details
Window boxCeramic12-inchRectangularn/a$27.99
as of 11/04/2026 04:41 PST - Details
Window box24-inchRectangularn/a$68.45
as of 11/04/2026 00:08 PST - Details

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.