How Do I Store Root Vegetables After Harvesting?

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“I’ve just harvested a good crop of carrots, potatoes, and beets from my backyard garden, but I’m not sure how to store them properly so they last through the winter. We want to eat from our garden as long as possible. I have a cool basement and a root cellar, but I’m confused about what vegetables can go where and what’s the best environment for each one. How do I store root vegetables after harvesting to maximize their shelf life?” thanks, Amanda, Calgary, Canada.

How to Store Root Vegetables After Harvesting

Successfully growing root vegetables is a rewarding achievement, Amanda, and it’s fantastic to hear you’ve got a bounty of carrots, potatoes, and beets from your backyard garden. The next step is ensuring that all your hard work continues to pay off by storing these root vegetables properly. Storing them the right way can extend their life for weeks or even months, allowing your family to enjoy homegrown produce well into the winter.

Each type of root vegetable has its own storage needs, so understanding the nuances can make a big difference in how long they last. Fortunately, your cool basement and root cellar provide excellent options for storing different vegetables, but you’ve got to know which vegetables are suited to each type of environment. Let’s break it all down.

Why Proper Storage Is Important

Proper storage of root vegetables is all about controlling the temperature, humidity, and ventilation they experience after harvesting. When these factors are managed correctly, you can slow down the rate at which the vegetables lose moisture and nutrients, delaying rot and decay.

After harvesting, root vegetables are still alive and will continue to respire—a process by which they take in oxygen and release carbon dioxide. This respiration process consumes the stored energy in the vegetables, so the goal of proper storage is to slow down respiration and delay spoilage. Additionally, improper storage can encourage sprouting or shriveling, particularly in high moisture or overly warm conditions.

Ideal Storage Conditions for Common Root Vegetables

Let’s take a look at the optimal storage conditions for some of the most common types of root vegetables, focusing on the specific varieties you’ve mentioned, Amanda. Understanding the right conditions for each veggie will ensure you have them to enjoy for as long as possible.

Vegetable Optimal Storage Temperature Optimal Humidity Level Appropriate Location
Carrots 32-40°F (0-4°C) 90-95% Root Cellar or Refrigerator
Potatoes 45-55°F (7-13°C) 85-90% Cool Basement
Beets 32-40°F (0-4°C) 90-95% Root Cellar or Refrigerator
Parsnips 32-40°F (0-4°C) 90-95% Root Cellar
Onions 32-35°F (0-2°C) 65-70% Cool, Dry, Ventilated Area
Garlic 32-35°F (0-2°C) 60-70% Cool, Dry, Ventilated Area

How to Handle Root Vegetables Before Storage

The way you treat your vegetables immediately after harvesting plays a significant role in how long they’ll last. You want to avoid overhandling or damaging the vegetables, but there are also some specific steps to follow depending on the vegetable type.

Cleaning and Curing

  • Carrots, Beets, Parsnips: Remove any excess soil gently without washing them. If you wash, make sure they dry thoroughly before storage. Carrots and beets don’t typically require curing as long as they are placed in a cool, moist environment immediately.
  • Potatoes: Dig them up carefully to avoid bruising. Leave them in a dry, dark place for a week or two to cure. This process toughens the skin and extends their shelf life.
  • Onions and Garlic: Dry them for several weeks in a warm, ventilated area. Wait until the outer skin becomes papery and crisp before storing them in a cool dry place.

Preparing the Storage Area

Next, let’s talk about preparing the areas you identified in your home: the cool basement and root cellar. Each area should be optimized for specific types of vegetables to ensure a long shelf life without compromising quality.

Using the Root Cellar

If your root cellar stays consistently cool and moist—say around 32-40°F (0-4°C) with 90-95% humidity—it’s perfect for storing root vegetables that prefer these conditions, such as carrots, beets, and parsnips. Here’s how to set it up:

  • Humidity Control: You can maintain high humidity by using damp sand or sawdust in crates or bins where you store your vegetables. These materials help keep moisture around the veggies but should be monitored to avoid molding.
  • Ventilation: Adequate ventilation prevents any buildup of stale air and keeps mold growth at bay. Ensure that your root cellar has proper airflow, but avoid exposure to light, as this can cause some veggies to sprout and lose flavor.
  • Arrangement: Store your vegetables in wooden crates, breathable sacks, or perforated plastic bins. This allows for even airflow and prevents vegetables from being too tightly packed, which could lead to spoilage.

Using the Basement

Now for your potatoes, they need slightly warmer and dryer conditions, between 45-55°F (7-13°C) with 85-90% humidity. Storing them in your cool basement is likely your best bet, as long as it is a dark environment since light exposure can cause potatoes to sprout or turn green.

  • Light Control: If your basement has any windows, cover them to make sure it stays dark. Potatoes exposed to light will start to turn green and accumulate solanine, a toxic compound that can taste bitter and irritate the digestive tract.
  • Ventilation and Shelving: Like your root cellar, your basement should have good ventilation, but might be slightly dryer depending on the climate. Store potatoes on shelves rather than in tubs or bins to improve airflow. Consider burlap sacks or paper bags for storing them as these materials cut out light but allow air circulation.

Common Storage Challenges and How to Troubleshoot Them

There are some common issues that can crop up during storage, so don’t fret if you notice something isn’t going exactly to plan, Amanda. Here’s how to handle the most frequent challenges:

Sprouting

Sprouting can occur if the temperature or humidity is too high for certain vegetables, especially potatoes, onions, and garlic.

  • If potatoes start sprouting, double-check the temperature and light exposure. Aim to keep them in that 45-55°F (7-13°C) sweet spot, and remember, darkness is key.
  • For onions and garlic that start sprouting, it might be a sign of too much humidity. They need a much drier environment compared to other root vegetables, so moving them to a less humid area or adding more ventilation might be required.

Rot and Mold

Too much moisture or poor ventilation can cause stored vegetables to rot or develop mold. This is one of the trickiest challenges but can be managed with careful monitoring.

  • Mold: If mold starts forming, it’s a sign that the humidity is too high or that there’s not enough airflow. Try reducing the humidity level or improving the ventilation, and check the vegetables more frequently.
  • Rot: Rot generally spreads, so if one vegetable looks compromised, remove it immediately. Do a thorough inspection of the remaining produce and adjust your storage setup, particularly if you notice the area feels too damp.

Shriveling

Shriveling is usually due to low humidity or excessive air circulation. Root vegetables are particularly susceptible to this during long storage periods.

  • To remedy this, consider increasing the humidity in the storage space or packing the vegetables in slightly damp sand or sawdust.
  • Remember that some loss of moisture is normal. A bit of shriveling is to be expected, but if it’s pronounced, the vegetables may have been stored in too dry of an environment.

Pests

Unfortunately, rodents and insects can also be a problem in storage areas, especially in root cellars and basements.

  • For rodents, check that the area is sealed properly. Foam or metal mesh can be used to patch up any entry points.
  • If insects are a nuisance, use fine mesh screens on air vents to keep them out. Regularly monitor the area for signs of pests and address the issue before it gets out of control.

Other Tips for Long-Term Storage

Rotation and Regular Checks

Amanda, you’ll want to check on your stored vegetables regularly. Inspect them at least once a week, and remember to use the oldest ones first. There’s no hard and fast rule, but generally speaking, potatoes will last for up to six months, and carrots and beets roughly three to four months.

Proper Labeling

If you are storing different batches of vegetables over time, label storage bins with dates when they were harvested or stored. This will help in managing and rotating your stock effectively.

Utilize Cured Garlic and Onions Over the Winter

If you have garlic and onions in your storage too, remember that they should be used relatively early in the season, as they can’t be kept indefinitely, even under ideal conditions. However, properly cured and stored, they can still last for several months, allowing you to enjoy the flavors they add to winter meals.

Consider Freezing or Canning

For any root vegetables you’ve harvested in surplus and doubt you can store for the long-term, consider preserving them by freezing or canning. For example, blanched and frozen carrots can last for up to 12 months in a freezer, providing a great alternative if your basement or root cellar space is limited.

Final Thoughts…

Amanda, you’ve taken the right step by asking this question. Proper storage of your vegetables will extend not only their shelf life but also all the goodness they bring to your table. From regulating temperature, humidity, and light conditions in your spaces to properly preparing your vegetables for storage—you’re now well equipped to make the most of your harvest this year. With a little attention and regular checks, you’ll be enjoying those homegrown vegetables through the winter, something your family will surely appreciate. Keep at it, and don’t hesitate to reach out if you need more tips down the road. Thanks for your question, Amanda!

 

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