Concrete vs. Galvanized Steel Outdoor Planters: Which Material Wins?
These two planter materials both promise outdoor durability, but they deliver very different looks and handling — a lightweight concrete-fiberglass blend versus rust-resistant galvanized steel.
Kante
Kante Concrete Modern Rectangle Outdoor Planter Set of 2, 31" and 23" Long Lightweight Planter Pot for Patio, Garden, Backyard
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Veradek
Veradek Metallic Series Galvanized Steel Indoor/Outdoor Long Box Planter, 16.25" H x 15" W x 56" L, Black
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The concrete-blend planters are easier to reposition and suit a softer, more natural patio look. The galvanized steel trough is built for a long, modern line along a railing or fence and handles heat differently.
Key Differences
- Weight: the concrete blend is lightweight for its size; the steel trough is heavier and more anchored once placed
- Look: concrete reads soft and natural; galvanized steel reads modern and industrial
- Heat handling: metal planters can heat up more in direct sun, affecting root temperature more than concrete
- Shape: the concrete set includes two shorter rectangular sizes; the steel option is one long 56-inch trough
Feature Comparison
| Spec | Kante | Veradek |
|---|---|---|
| Set Size | 2 planters (31" and 23") | — |
| Material | Concrete-fiberglass blend | Galvanized steel |
| Drainage | Rubber-plugged holes | — |
| Size | — | 16.25"H x 15"W x 56"L |
| Style | — | Modern long-box |
| Use | — | Indoor or outdoor |
Kante
- Two complementary sizes included
- Lightweight concrete-fiberglass blend
- Modern flared rectangle shape
- Rubber-plugged drainage holes
- Concrete-look material still needs some care in freeze-thaw climates
- Only two sizes are included, with no third size to extend the set
- The lightweight blend feels less substantial than solid poured concrete
Veradek
- Rust-resistant galvanized steel
- Modern long-box silhouette
- Suitable for large plantings
- Indoor or outdoor use
- At 56 inches long, it needs a genuinely long stretch of railing or fence line to look proportional
- Metal planters can heat up in direct summer sun, which affects root temperature more than a concrete or plastic planter
- The industrial galvanized look is a specific style rather than a soft, natural finish
Best For: Kante
A patio edge or garden that wants a softer, natural-looking planter in two coordinated sizes.
Best For: Veradek
A long railing, fence line, or modern outdoor space that wants one continuous industrial-style planter.
Value Considerations
The steel trough covers more linear space in one purchase; the concrete set gives two separate pieces that can be arranged more flexibly around a patio.
Final Recommendation
Choose the concrete set for flexible placement and a natural look. Choose the galvanized steel trough for a single long, modern planting line along a fixed edge.
FAQ
Does either material crack in freezing weather?
Concrete-fiberglass blends generally resist freeze-thaw cracking better than solid concrete, while galvanized steel doesn't crack but can still be affected by extreme temperature swings on the soil inside.
Which is easier to move once planted?
The lightweight concrete-fiberglass blend is easier to reposition than the heavier galvanized steel trough, especially once both are filled with soil.