Outdoor lanterns must meet two basic requirements: they should protect the flame from wind and remain stable. A lantern that topples over with every gust of wind or whose glass breaks fails its purpose. The choice of the right model depends on the placement surface, wind exposure, and desired burning time. This guide shows what to consider regarding material, proportions, and placement to ensure your outdoor lanterns function reliably.
Stability through Weight and Proportions
A stable lantern requires a low center of gravity. For freestanding models, the ratio of height to base area should not exceed 3:1. A lantern with a height of 40 cm therefore needs a base of at least 13 cm in diameter. Heavy materials such as metal, stone, or thick-walled glass significantly increase stability. A metal base weighing 2 to 3 kg can keep a 50 cm high lantern upright even in wind force 5.
Pay attention to the construction of the base. Flat, wide bases distribute weight better than narrow rings. For models with three or four feet, the distance between the outer support points should be at least 60 percent of the total height. Lanterns with ground spikes offer additional security if you can insert them at least 15 cm deep into firm ground.
Materials for Wind Protection and Durability
Glass offers the best wind protection as it remains transparent while fully enclosing the flame. For outdoor use, tempered glass with a wall thickness of at least 3 mm is suitable. Thinner glass can break due to temperature fluctuations or mechanical stress. Stainless steel and brass do not rust and last for years, while painted iron requires maintenance after two to three seasons.
Combinations of metal and glass combine the advantages of both materials. A sturdy metal frame protects the glass from impacts and contributes to the weight. The glass itself should be replaceable in case it breaks. Check if replacement glass is available before deciding on a model.
Guidelines for Dimensions and Proportions
| Placement | Recommended Height | Minimum Base Diameter | Glass Wall Thickness |
|---|---|---|---|
| Patio table | 25 to 35 cm | 10 to 12 cm | 3 mm |
| Ground, sheltered | 40 to 60 cm | 15 to 20 cm | 4 mm |
| Ground, exposed | 30 to 45 cm | 18 to 25 cm | 5 mm |
| Hanging | 20 to 30 cm | not relevant | 3 mm |
Placement and Substrate
The substrate significantly influences stability. Lanterns stand more securely on smooth stone slabs or wooden decking than on gravel or grass. If you need to place lanterns on uneven ground, compensate for height differences with flat stone slabs. A slab of 30 by 30 cm is sufficient for most models.
Maintain a distance of at least 50 cm from flammable materials such as wooden furniture, parasols, or plants. Wind can carry sparks or hot air further than expected. In very windy locations, additional protection by walls, hedges, or glass screens that break the wind without completely stopping air circulation is recommended.
Candles and Burn Time
The size of the candle must match the lantern. There should be at least 8 cm of space between the candle flame and the glass rim to prevent the glass from overheating. For lanterns with an inner diameter of 12 cm, pillar candles with a diameter of 8 to 10 cm are suitable. Candles that are too small burn unevenly, while those that are too large dangerously overheat the glass.
Expect the following burn times: A pillar candle with an 8 cm diameter and 10 cm height burns for about 40 hours. In windy conditions, the burn time is reduced by 20 to 30 percent as more wax is consumed. LED candles are an alternative for very windy locations but do not achieve the ambiance of real flames.
Care and Storage
Clean glass lanterns every two to three weeks with warm water and dish soap. Soot deposits can be removed with glass cleaner or diluted vinegar. Metal parts should be wiped with a dry cloth once a season and treated with special metal polish if necessary.
Store lanterns in a dry, frost-free place during winter. Moisture in crevices can damage glass and metal when freezing. Wrap glass parts in newspaper or bubble wrap to prevent scratches. Do not stack heavy lanterns on top of each other, as the weight can cause deformation.
You can find suitable pieces under Lanterns and Outdoor Accessories. Information on how the pieces are constructed, available dimensions, and delivery times can be found on Eichholtz Candle Holders and Lanterns and Eichholtz Outdoor.
Frequently Asked Questions
How heavy does a lantern need to be to prevent it from tipping over?
For lanterns up to 40 cm in height, a self-weight of 1.5 to 2 kg is sufficient with a sufficiently wide base. Taller models should weigh at least 2.5 to 3 kg. The crucial factor is the ratio of weight to height and the width of the base. A low, heavy lantern is more stable than a tall, light one.
Can I use normal lanterns outdoors?
Indoor lanterns often have thinner glass and lighter bases. They can tip over in the wind or be damaged by temperature fluctuations. They are suitable for occasional use on windless evenings on sheltered patios, but for permanent outdoor placement, you should choose specially designed models.
What is a sensible distance between multiple lanterns?
Place lanterns at least 40 cm apart. This distance prevents heat from accumulating between the lanterns and overheating the glass. For very large models over 50 cm in height, you should maintain a distance of 60 to 80 cm. This also allows you to walk safely between the lanterns.
How do I protect lanterns from strong gusts of wind?
In case of an announced storm, you should bring lanterns indoors or at least extinguish the candles. Additional security can be provided by sandbags or flat stones placed around the base. Hanging lanterns should be secured with a second fastening or taken down. No lantern is designed for wind forces above 7.