Root Cellaring: The Complete Walkthrough

This guide covers root cellaring, rated an easy to moderate task, typically taking setup: 1 day.

Our printable card on root cellaring covers the essentials at a glance — here's the fuller walkthrough, with the reasoning behind each step.

Before the step-by-step detail, here's why this is worth learning in the first place. At a glance, it's rated easy to moderate, with a difficulty of easy–moderate; time of setup: 1 day; cost of low — details that matter more once you're actually planning around them than they do on a first read. The rest of this article works through exactly what each of those means day to day, in more depth than a single printable card has room for, and with the reasoning behind each recommendation rather than just the recommendation itself.

How This Applies Across Property Types

This skill applies whether you're working with a suburban block or a larger rural property, though the scale and specific materials will differ. Where climate or regional conditions change the approach, that's called out in the method above rather than assumed — but as a general rule, Australian conditions (heat, water restrictions in many areas, and UV exposure on materials left outdoors) are worth factoring in even where a source guide doesn't explicitly mention them.

Cool, dark, and humid

A root cellar doesn't need to be an underground room — any consistently cool, dark, reasonably humid space (a shaded shed corner, an insulated box, an unheated garage) can serve the same purpose.

What You'll Need

Worth paying attention to:

• A cool, dark space (ideally 0–4°C for long-term storage)
• Boxes or crates, ideally with damp sand or sawdust for some crops
• Good airflow to prevent mould
• Undamaged, unwashed produce for storage

Getting these details right matters more than it might seem — a cool, dark space (ideally 0–4°C for long-term storage) Undamaged, unwashed produce for storage Treat this list as a routine to build rather than a one-off checklist, and it becomes second nature within a season or two.

How It's Done

Keep these points in mind:

• 1. Choose the coolest, darkest available space with reasonably stable temperature.
• 2. Harvest root crops carefully to avoid bruising or cutting, and don't wash before storing.
• 3. Layer crops like carrots in damp sand or sawdust in a crate to prevent them drying out.
• 4. Store crops like onions and garlic differently — hanging or in mesh bags with good airflow, not damp sand.
• 5. Check stored produce periodically and remove anything showing rot before it spreads.

Each of these compounds over a season — small misses early tend to show up later — 1. Choose the coolest, darkest available space with reasonably stable temperature. 5. Check stored produce periodically and remove anything showing rot before it spreads. Treat this list as a routine to build rather than a one-off checklist, and it becomes second nature within a season or two.

Common Issues

Worth paying attention to:

• Produce shrivelling — storage space too dry; increase humidity slightly, or use the damp sand method for root crops.
• Mould or rot spreading — check for damaged produce going in, and ensure adequate airflow; remove affected items promptly.
• Space too warm — look for a cooler location, or consider it only suitable for shorter-term storage.
• Produce sprouting — normal for potatoes and onions over time in storage; use them before this becomes significant, or store at colder temperatures to slow it.

Getting these details right matters more than it might seem — produce shrivelling — storage space too dry; increase humidity slightly, or use the damp sand method for root crops. Produce sprouting — normal for potatoes and onions over time in storage; use them before this becomes significant, or store at colder temperatures to slow it. Treat this list as a routine to build rather than a one-off checklist, and it becomes second nature within a season or two.

Ongoing Timing

Best time. Set up before the main autumn harvest so crops go straight into storage.

Duration. Well-stored root crops can keep for several months over winter.

Maintenance. Check stored produce every few weeks, removing anything spoiling.

Signs of success. Produce staying firm, unshrivelled, and rot-free well into the storage season.

Taken together, these are the details that separate a smooth result from a frustrating one.

Tips & variations

A few notes worth having alongside the method above: Fermenting, Dehydrating, Washing produce before storage, which speeds spoilage, Storing bruised or damaged produce alongside good produce. These come from the same printable card and are easy to miss on a first read.

Related Guides

A few related guides worth reading alongside this one:

• Canning & Bottling
• Dehydrating
• Fermenting
• Freezing Produce

For the condensed printable version, head to the main guide page linked below. If something's already gone wrong, our Troubleshooting Directory indexes common problems by symptom across all 219 guides. As with every guide on this site, this is general information based on our own research and experience, not professional advice — your specific soil, climate, and circumstances will always vary from ours to some degree.

Our Pantry & Home Preserving Inventory Planner is a useful companion to this specific skill.

Frequently Asked Questions

→ View the printable A4 guide for root cellaring