Square Flower Box - 25cm

The IDEALIST square planter brings architectural rhythm to every scale of planting: clean cube pro...

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B&Q - ™ 25Cm PlanterRibbed Black Reinforced Stone Square Flower Box Garden PlanterOutdoor Plant Pot

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B&QB&Q - ™ 25Cm PlanterRibbed Black Reinforced Stone Square Flower Box Garden PlanterOutdoor Plant Pot

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£30.99

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The RangeIdealist Square Planter, Ribbed Flower Box Garden Planter, Outdoor Plant Pot - Black / 12.2L

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£36.89

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Product Information

Full details

The Idealist Square Flower Box is designed for gardeners and homeowners seeking a sophisticated, architectural touch for their outdoor spaces, offering the aesthetic weight of concrete with the practical convenience of lightweight construction. It is an ideal choice for balconies, patios, or entryways where a durable yet movable vessel is needed, though users should be mindful that its 25cm size is best suited for smaller plants, herbs, or seasonal displays rather than large shrubs.

Extended Product Information

FAQs

Can I leave this planter outside in the winter?

Yes, the Idealist Square Flower Box is constructed from frost-proof materials designed to withstand year-round outdoor conditions.

Does the planter come with a drainage hole?

Yes, it is pre-drilled to allow for proper water drainage, which is essential for the health of your plants.

Is it actually made of concrete?

No, it is crafted from high-quality, fibreglass-reinforced stone. This provides the look and feel of cast concrete while being much lighter for easier movement.

What size plants fit in this 25cm planter?

The 25cm cube is ideal for compact grasses, herbs, seasonal bedding plants, or small flowers like heuchera.

How do I clean the matte finish?

A gentle wipe with a damp cloth is all that is required to clean the surface. Avoid using harsh chemical cleaners that could affect the finish.

Can this be used indoors?

While designed for outdoors, it can be used indoors if you place it on a waterproof tray to collect water passing through the drainage holes.

Troubleshooting

Water leaking on a patio surface

The planter includes pre-drilled drainage holes, which are necessary for plant health. If you are using it on a surface that cannot get wet, place a matching saucer underneath.

Surface looks dusty

The matte mineral finish can hold onto fine debris. Simply wipe the surface with a soft, damp cloth to restore the deep black tone.

Plant growth seems stunted

Check that the drainage holes are not blocked by heavy soil compaction or root growth; move the planter slightly to ensure water can flow away freely from the base.

Pros and Cons

Pros

Lightweight compared to traditional cast concrete
Stylish, minimalist architectural aesthetic
Frost-proof material suitable for year-round outdoor use
Comes with drainage holes pre-installed
Versatile design fits modern and traditional styles

Cons

Limited to a 25cm size, restricting plant choice
Matte black surface may show dust or pollen more easily
Not suitable for large root systems or small trees

Setup, Compatibility & Care

To ensure the longevity of your planter, place it on a level surface to prevent uneven weight distribution. If placing on a delicate deck or internal surface, consider using a saucer underneath to catch any overflow from the pre-drilled drainage holes. Because the planter is made of fibreglass-reinforced stone, it is relatively low-maintenance; a simple wipe-down with a damp cloth or a gentle spray with a hose is sufficient to remove dust or debris. During setup, ensure you use a quality potting mix with good aeration, as the pre-drilled holes are designed to allow excess water to escape freely, promoting healthy root growth.