Rectangular Planters

All planters

8 rectangular planters from Mayne, LáLáGreen, Arcadia Garden Products and more. Most cost $26 to $1,730, and half cost less than $27.

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

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

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

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

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

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

Compare specs

Planter type	Material	Largest size	Shape	Spec score	Price
Planter box		8-inch	Rectangular	n/a	$12.39 as of 11/03/2026 23:17 PST - Details
Window box	Concrete	17.5-inch	Rectangular	n/a	$26.13 as of 11/04/2026 00:46 PST - Details
Window box		10.5-inch	Rectangular	n/a	$29.99 as of 11/04/2026 07:38 PST - Details
Window box	Ceramic	12-inch	Rectangular	n/a	$27.99 as of 11/04/2026 04:41 PST - Details
Window box	Plastic		Rectangular	9.5	$26.99 as of 11/03/2026 23:50 PST - Details
Planter box	Fiberglass	72-inch	Rectangular	n/a	No current price
Plant pot	Fiberglass		Rectangular	n/a	No current price
Planter box	Fiberglass		Rectangular	n/a	$1,730.95 as of 11/03/2026 23:16 PST - Details

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

Rectangular Planters

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