Biogreen Firefly Frost Guard Candles – The image shows a set of Biogreen Firefly Frost Guard Candles in green containers, designed for use with the Firefly Terracotta Greenhouse Heater. The candles are eco-friendly and made from renewable biomass, providing consistent heat to protect plants from frost. The labels feature the product name, Firefly logo, and environmental details.

Biogreen Firefly Greenhouse Frost Protection Candles – 42h

£29.99 GBP £34.99 GBP
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Biogreen Firefly Frost Guard Candles – The image shows a set of Biogreen Firefly Frost Guard Candles in green containers, designed for use with the Firefly Terracotta Greenhouse Heater. The candles are eco-friendly and made from renewable biomass, providing consistent heat to protect plants from frost. The labels feature the product name, Firefly logo, and environmental details.
  • Biogreen Firefly Frost Guard Candles – The image shows a set of Biogreen Firefly Frost Guard Candles in green containers, designed for use with the Firefly Terracotta Greenhouse Heater. The candles are eco-friendly and made from renewable biomass, providing consistent heat to protect plants from frost. The labels feature the product name, Firefly logo, and environmental details.
Biogreen Firefly Greenhouse Frost Protection Candles – 42h

Biogreen Firefly Greenhouse Frost Protection Candles – 42h

£29.99 GBP £34.99 GBP £5.00 GBP each
Inc. VAT

Protect your greenhouse plants from sudden cold snaps without plugging in an electric heater.

Sustainable Frost Protection for Greenhouses and Cold Frames

Biogreen Firefly Greenhouse Frost Protection Candles are made for gardeners who want steady, low-maintenance warmth during frosty weather. Designed as replacement candles for Firefly greenhouse heater use, each candle burns for up to 42 hours and helps provide safe greenhouse heating without paraffin.

These long burning greenhouse heater candles are ideal for anyone looking for sustainable heating for small greenhouses, cold frames, and enclosed growing spaces.

Key Benefits

  • Helps protect plants from frost by providing steady, non-electric heat during cold nights.
  • Up to 42 hours burn time per candle, giving longer-lasting coverage with fewer replacements.
  • CO₂-neutral biomass fuel offers an eco-friendly greenhouse heater for winter plants.
  • No paraffin, petroleum, or synthetic additives, making it a cleaner choice for enclosed growing spaces.
  • Made for the Firefly Terracotta Greenhouse Heater, so it fits securely and works as intended.

Who It’s For

✓ UK gardeners looking for greenhouse candles for frost protection UK
✓ Greenhouse owners asking how to keep a greenhouse warm without electricity
✓ Eco-conscious growers avoiding paraffin-based heater candles
✓ Firefly Heater users needing replacement candles

Product Specs

Spec Details
Product type Greenhouse frost protection candles
Pack size Set of 6 candles
Burn time Up to 42 hours per candle
Fuel type Renewable biomass
Eco credentials CO₂ neutral, paraffin-free
Compatibility Firefly Terracotta Greenhouse Heater
Price £29.99

Length: 6.3cm

Width: 6.3cm

Height: 10cm

Brand Bio Green
Material Biomass

Frequently Asked Questions

  1. Are these the best candles for greenhouse frost protection?
    They are a strong choice if you already use the Firefly Terracotta Greenhouse Heater and want long-lasting, cleaner frost protection.
  2. Can I use these without electricity?
    Yes. These candles provide non-electric heat, making them useful for greenhouses, allotments, and cold frames without a power supply.
  3. How much running time do I get?
    Each candle burns for up to 42 hours, so a set of 6 gives up to 252 hours of total burn time.
  4. Will they work in my small greenhouse?
    They are best suited to small enclosed growing spaces when used with the compatible Firefly Terracotta Greenhouse Heater.
  5. Are they safer than paraffin candles?
    They are made without paraffin, petroleum, or synthetic additives, making them a cleaner option for gardeners who want safe greenhouse heating without paraffin.

Order today from Vitako with free UK delivery on orders £30+, easy returns, and manufacturer warranty support.

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