Have you ever ever questioned the place to retailer bulbs and tubers over the winter months to guard them? Let’s talk about bulb storage options to guard them from critters, warmth, frost, and basic rot so you may plant them once more within the spring.
Brief Reply
A great storage location needs to be a dry, cool place away from pests and critters. Temperatures should stay between 40-45°, and containers should present correct air flow.
Lengthy Reply
Bulbs and tubers are modified root buildings the place sure vegetation retailer vitamins to make sure they survive the winter and propagate in spring. As gardeners in colder zones, we support this course of by storing tender bulbs in protected circumstances relatively than leaving them exterior.
However there’s nothing worse than going by the tenuous work of digging and storing on the finish of the season, solely to seek out pest disturbance, critter injury, or loss to humidity and freezing temperatures if you examine your bulbs in spring.
Let’s talk about the important components for profitable winter bulb storage to yield the very best leads to spring.
What Are Bulbs and Tubers?

It’s essential to know that tubers and bulbs are vitality storage for sure decorative and edible vegetation. They go dormant throughout winter, surviving off the saved sugars till spring after they return to life. Whereas some look kind of like onions and others seem like a cool candy potato, they’re all related in performance.
Bulbs are modified stems with leaves. They comprise flowers in embryonic type, storing sufficient vitality to outlive winter and the primary few phases of life in spring. By definition, in line with the College of Illinois Urbana-Champain, bulbs are categorized as “any plant that shops its full life cycle in an underground storage construction.” Winter-hardy species that bloom in spring, like tulips and daffodils, have developed to outlive within the floor all season on saved carbohydrates.
Tubers, whereas additionally underground stems, comprise nodes (or “eyes” in potatoes) that may seem wherever, giving the tuber the power to develop in any path. Crops like potatoes, candy potatoes, yams, and anemones are tubers.
Dahlias are tuberous roots, that means they’ve one massive, centralized stem from which thick roots develop. These will be simply break up in spring, supplying you with extra tubers to plant every year.
For ease of dialogue, I’ll confer with all of those as bulbs on this article as a result of they’ll all be saved in related methods.
Container Bulb Storage
Numerous completely different containers will work for bulb storage. Listed here are some acceptable choices.
Cardboard Packing containers

A easy, breathable cardboard field out of your native delivery retailer or grocery retailer is a superb choice as a result of they’re simply accessible and normally free. One with holes within the sides will present the required air flow.
Many growers place tubers into plastic luggage earlier than inserting them into cardboard bins, however it’s a private choice. Since any soil current on the tubers if you put them into storage will fall off, the plastic luggage will forestall a messy cleanup come spring.
Additionally, since cardboard bins will finally break down, make certain the bottoms are good and durable earlier than selecting them in your storage container. In the event you discover any moist or weak areas, it could be time to retire the field.
Wood Crates

Go to any craft retailer, and also you’ll discover sturdy picket bins. In the event that they nest inside each other and simply stack, it is a nice choice for bulb storage.
Professional tip: If storing in a storage, stack a couple of cinder blocks on the bottom and stack the picket bins or crates on prime of them. This can hold them only a bit hotter and reduce the probabilities of undesirable moisture seeping in by the concrete. Additionally they raise the bulbs away from any curious mice.
Plastic Crates

When you’ve got previous milk crates or storage tubs, these will work. Plus, they stack! Simply line them with newspaper. Cinder blocks beneath the crates are really useful.
Plastic Baggage

In the event you’re like me, you’ve a plastic bag stuffed with different plastic luggage underneath your kitchen sink. Seize a handful of these and use them as storage containers.
Many growers will advise you to depart soil in your bulbs and permit them to dry for a couple of days earlier than storage. Soil left on could present added safety and moisture throughout the lengthy months forward.
Don’t overpack your luggage, and loosely tie them so air can circulation freely. Then, place them right into a field or crate or simply onto a shelving unit.
Paper Baggage

About as simply accessible as plastic luggage, paper luggage will be equally used for bulb storage. Simply consider these will break down a lot quicker, so permit correct time to treatment earlier than including them to paper luggage, as any extreme moisture will simply trigger the bag to interrupt down and doubtlessly result in rot.
Get Inventive!
Listed here are a couple of unconventional however nice choices for bulb storage.
An Outdated Fridge

When you’ve got an previous fridge that’s out of order, repurpose it into bulb storage earlier than merely discarding it. This container choice is already tall, darkish, and secure from critters. One grower suggests conserving a big bowl or bucket of ice within the backside for added humidity and coolness.
A Stroll-In Cooler

In the event you develop and retailer fruits, greens, and flowers, you might have a walk-in cooler for recent produce and flower refrigeration. This can be utilized equally throughout the low season for bulb storage. It’s already darkish, dry, and secure from critters, so why not put it to use over the winter?
Do not forget that you’ll should hold the temperature fixed and humidity ranges at round 90% for correct bulb storage.
Add Packing Medium

It doesn’t matter what container you select for storage, add some kind of wicking materials to assist wick moisture away and stop rot.
A couple of choices are coarse vermiculite, animal bedding, newspaper, and wooden chips. Attempt a couple of to see what works finest in your space.
The place to Retailer

After packing up your containers, choose an space conducive to wholesome bulb storage.
Listed here are a couple of essential traits that should be true concerning the chosen storage space:
- Constant temperatures between 40-45°. Hotter temperatures will encourage fungi or make bulbs assume it’s time to get up, forming sprouts and roots too early.
- A container that retains moisture however just isn’t hermetic.
- Someplace that receives correct air flow and airflow.
- Away from critters and pests.
- Off the bottom.
Areas of your own home that will work embody:
- A sealed-up attic
- An unheated, insulated storage
- Basement
- Darkish, dry closet
- Utility room
- Root cellar
Professional tip: You could assume you’ll bear in mind which bag contained which dahlia selection or what number of of a sure sort of daffodil you place into storage, however you in all probability received’t. Label your containers with names and quantities for future reference. You need to use zip ties, coloured tape, or tree tags. Your spring self will thanks!
To Retailer or To not Retailer?

Listed here are a couple of examples of the place not to retailer them in case you’re on the fence about sure areas. AVOID:
- Anyplace there’s moisture current. This will trigger mildew and decay, which is able to destroy bulb viability.
- A location with direct daylight.
- Anyplace overly dry. Your packing medium ought to permit for air flow but in addition retain a number of the moisture so that they don’t shrivel up.
- A spot that might permit temperatures to go under 35°. This can probably kill tubers. Keep away from storing them in areas above 55-60° to forestall early sprouting.
- In tied-up luggage or hermetic containers. This may trigger humidity ranges to rise, or the alternative, dry the contents fully. The end result all will depend on your area and storage setup.
Examine All through The Winter

You must examine in all through the winter months to confirm all bulbs stay wholesome. In the event that they really feel a bit dry, calmly spritz them with clear water.
In the event you discover any mildew or rot, take away the bulb instantly to keep away from it spreading to others. Bulbs launch ethylene when rotting, a gasoline that encourages sprouting, so others will quickly be affected if the rotting bulb just isn’t eliminated.
Research present that even some publicity to this gasoline could cause critical injury like stunted development, abnormalities, or future bulb splitting.
Additionally, be looking out for any pest and critter injury and regulate your setup as wanted.
Continuously Requested Questions
The tubers will not be probably viable at this level. In the event you squeeze the tuber and there appears to be no moisture left inside, it has perished. In the event you’re not sure, you can pot them up with some recent soil, place them in a heat place, and water them calmly. If they start to sprout, you may transplant them into the bottom.
So long as your storage stays above freezing and is unheated and insulated, they need to be completely advantageous right here. The bulbs shouldn’t be too chilly nor too heat. Maintain them off the bottom, keep aeration, and guarantee air flow.
Sure! Bulbs are yummy winter treats for mice. They provide a plethora of carbohydrates that they’re on the lookout for by the winter months. Set traps close by, plug in ultrasonic pest deterrents, or add mothballs to your storage containers to assist lower pest injury.
Closing Ideas
It’s that point of yr when gardens are being cleaned up, instruments are being cleaned and sharpened, and plans are made for winter bulb and tuber storage. In the event you’re not sure the place to retailer bulbs, search a dry space that continues to be above freezing and is secure from critters. Choose from the numerous inventive container choices and observe pointers for secure bulb and tuber storage.