🥔 Chitting Potatoes in Garages and Sheds
🌱 Introduction: Are Garages and Sheds Suitable?
Many gardeners store seed potatoes in garages or sheds and wonder if these spaces can also be used for chitting. The answer is: sometimes yes—but only under the right conditions. Garages and sheds can work well for chitting if they are light, cool, and frost-free. If they’re dark or freezing, they’ll cause problems.
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This guide explains when garages and sheds are suitable, what to watch out for, and how to make them work in UK conditions.
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🚗 Can You Chit Potatoes in a Garage?
✅ When a Garage Works Well
A garage can be suitable if it has:
- Natural light (windows, translucent panels, or open door during the day)
- Cool temperatures (around 5–10°C)
- Frost protection
- Dry conditions
In these cases, garages can produce short, sturdy chits similar to those grown on windowsills.
❌ When a Garage Is a Bad Choice
Garages are unsuitable if they are:
- Completely dark
- Regularly freezing
- Damp or poorly ventilated
Dark garages cause long, pale, weak shoots that break easily.
🧰 Can You Chit Potatoes in a Shed?
✅ When a Shed Can Work
A shed can be used if it has:
- Windows or clear roof panels
- Stable, cool temperatures
- Protection from frost
- Good airflow
Garden sheds with daylight are often better than garages without windows.
❌ When Sheds Don’t Work
Avoid chitting in sheds that are:
- Fully dark
- Uninsulated and prone to frost
- Very damp
Cold + dark is one of the worst combinations for chitting.
🌤️ Light: The Most Important Factor
Light is more important than warmth.
- Bright, indirect daylight = strong chits
- Darkness = long, weak, brittle shoots
If your garage or shed has no light, it’s not suitable for chitting.
🌡️ Temperature Guidelines
Aim for:
- Ideal: 5–10°C
- Acceptable: 3–5°C (slower growth)
- Too cold: Below 2–3°C
- Frost: Damaging
Garages and sheds often cool rapidly overnight, so monitoring temperatures matters.
❄️ How to Protect From Frost
To reduce frost risk:
- Keep potatoes off the floor
- Place trays near internal or sheltered walls
- Use horticultural fleece on cold nights
- Move potatoes indoors during hard frosts
Never allow chitted potatoes to freeze.
📦 Best Setup for Garages and Sheds
- Use seed trays, shallow boxes, or egg boxes
- Place potatoes rose end up
- Space potatoes so shoots don’t tangle
- Elevate trays onto shelves or benches
- Do not water or cover
Dry conditions are ideal.
🚫 Common Mistakes in Garages and Sheds
- ❌ Chitting in total darkness
- ❌ Ignoring overnight frost risk
- ❌ Leaving potatoes on cold concrete floors
- ❌ Assuming cold alone is enough
Light + cool + frost-free is the winning combination.
🧠 Are Garages and Sheds Better Than Indoors?
They can be—if light and frost protection are adequate.
Garages and sheds are often better than indoors when:
- Homes are very warm
- There is good daylight
- Temperatures stay stable
Indoors is better when:
- Outbuildings freeze
- Light is poor
- Weather is very changeable
🧠 Key Takeaway
Garages and sheds can be excellent places to chit potatoes if they are light, cool, and frost-free. Darkness and freezing temperatures are the main risks. If you can provide daylight and protect from frost, these spaces often produce stronger chits than warm indoor rooms.
When chitting in outbuildings, remember:
Light first. Frost last. Cool always.