#ProPlantTips, Bush and Shrub Care, Container care, Winter Care

Proper Storage and Overwintering For Container Plants

acclimating potted plants for the winter

Charlotte Weidner | February 14, 2026

After your patio and potted plants have made their smooth move indoors, the next challenge begins ... keeping them happy, hydrated, and healthy through the cold season.

Whether they’re sleeping in a shed, resting in a garage, or basking in a bright window, each container needs the right care to survive winter and flourish again in spring!

Choosing Which Containers to Overwinter

Not every plant in a pot needs the same treatment - some will sleep through winter's chill when wrapped, while others need protection from frost, and others yet need extra light and warmth indoors.

Tender tropicals and houseplants:

Ficus, Boston Ferns, and Citrus trees (like Dwarf Meyer Lemon trees) should come indoors before night temperatures fall below 50°F.
Herbs like Rosemary, Basil, and Lemon Grass also prefer warmer indoor environments.

Cold-hardy perennials and shrubs:

Wrap pots, bury pots entirely, or move dormant plants indoors or into sheds or garages for the winter to prevent roots from freezing. Remember that broadleaf and coniferous evergreens need sunlight and water, even during storage.
Perennials grown outside of their recommended growing zone can be overwintered in unheated sheds or garages where they can safely go dormant, provided they stay above 20°F and the soil doesn't dry out completely.

Fruit trees in containers:

Dwarf fruit trees like Fig trees, Peach, or Apple trees can be stored in an insulated but unheated garage, shed, or covered porch where temps stay between 30-45°F. This keeps them dormant without exposing roots to deep freezes.

Care & Maintenance: How to Overwinter Container Plants Step-by-Step

this fall, it's time to bring patio plants indoors

Step 1: Move Them Before the Frost

As soon as nighttime temperatures dip consistently into the 40s, start transitioning plants to their winter spots. Move them gradually over several days to avoid shock - especially tender plants used to bright sun or outdoor humidity.

Step 2: Tips & Tricks for Moving Large Containers

Use a pot dolly, hand truck, or plant caddy to avoid injury or cracking pots.
Tilt and roll, don't lift: For heavy planters, tip them gently and use a tarp to slide across short distances.
Wrap delicate pots: Terra cotta and ceramic containers can crack in cold weather; wrap them in bubble wrap or burlap for insulation and protection.

Step 3: Provide the Right Light and Temperature

Evergreens and broadleaf evergreens (like Holly, Boxwood, or Gardenia) still need light - place them in a bright garage window or near a grow light.
Ideal storage temps:

Unheated garages/sheds: 30-45°F - perfect for dormant perennials, small trees, and hardy shrubs.
Indoors: 55–65°F for tropicals, herbs, and houseplants. Avoid drafty windows or direct blasts of heat.

Lighting indoors: Use full-spectrum grow lights for 12–14 hours daily if natural light is limited.

Step 4: Watch the Water - Not Too Wet, Not Too Dry

Water sparingly - just enough to keep the soil slightly moist, never soggy.
Always ensure containers have drainage holes. Elevate pots on saucers or bricks to prevent standing water.
In unheated garages, check the soil every few weeks - if it's dry an inch down, give a light watering (watch how to perform the Finger Test).
Indoors, water when the top inch feels dry, and mist leaves occasionally to maintain humidity.

Step 5: Mind the Air Indoors

Most indoor environments are dry in winter. Use a humidifier or place a shallow tray of pebbles and water near your plants to increase moisture in the air.
Group plants together - they naturally raise humidity for one another.
Keep plants away from heating vents and cold drafts to avoid stress.

What NOT to Do While Plants Are in Storage or Indoors

how to keep plants safe from the winter chill

Don't fertilize. Plants in winter rest mode don't need nutrients until growth resumes in spring.
Don't overwater. Soggy roots are the fastest path to rot, fungus, and mold.
Don't keep them in total darkness. Even dormant plants need a little light and airflow.
Don't prune too early. Wait until late winter or early spring before trimming back stems or reshaping shrubs (fruit tree pruning tips).
Don't ignore them. Check regularly for pests like spider mites, fungus gnats, or scale, especially on plants brought indoors.

Tucking Them In: Let the Garden Sleep, But Keep It Alive

Overwintering container plants is a quiet act of hope - a gardener's promise that beauty will return. As the snow falls outside, your potted companions rest beneath soft light, their roots dreaming of spring. A little care, a little restraint, and the right winter quarters can make the difference between survival and thriving.

So, wheel those pots to shelter, wrap them snugly, and give them time to rest. When the days lengthen and the frost retreats, your plants will awaken fresh and grateful - ready to grow again.

For more inspiration and tips, visit our October gardening guide.

Happy Planting!

Previous Next

Frequently Asked Questions

How do I overwinter container plants successfully in cold climates?

Overwintering container plants successfully depends on matching each plant type to the right storage conditions. Move tender tropicals like Citrus or Ficus indoors before nighttime temps drop below 50°F, while dormant fruit trees like Fig or Dwarf Peach can be stored in an unheated but insulated garage or shed where temperatures stay between 30 and 45°F. Cold-hardy perennials grown outside their recommended zone can overwinter in an unheated space as long as temps stay above 20°F and the soil never dries out completely. Start transitioning plants gradually over several days as soon as nighttime temperatures consistently reach the 40s, and use a pot dolly or hand truck to safely move heavy containers without injury.

How should I store potted plants indoors during winter?

Start transitioning container plants indoors gradually over several days once nighttime temperatures consistently drop into the 40s, which helps prevent shock. Tender tropicals like Ficus, Citrus, and Boston Ferns should be inside before temps fall below 50°F, while dormant fruit trees and cold-hardy perennials can overwinter in an unheated but insulated garage or shed where temperatures stay between 20 and 45°F. Keep in mind that broadleaf and coniferous evergreens need light and occasional water even in storage, so place them near a bright window or under a grow light. Match your storage conditions to your plant type, monitor soil moisture throughout winter, and your containers will be ready to thrive again come spring.

Can potted evergreens survive winter outside in containers?

Potted evergreens, including broadleaf types like Holly, Boxwood, and Gardenia, can struggle to survive winter outdoors in containers because exposed roots are far more vulnerable to freezing than those in the ground. Unlike in-ground plants, container roots have minimal insulation from the cold and can freeze solid even when air temperatures are only moderately low. To protect them, wrap pots in burlap or bubble wrap, move them to a sheltered location like an unheated garage or shed where temperatures stay above 20°F, and continue providing light and occasional water since evergreens do not go fully dormant. If you must keep them outside, position containers against a south-facing wall, insulate the pot thoroughly, and monitor soil moisture so it never dries out completely.

How do I protect perennials growing in pots from freezing temperatures?

To protect potted perennials from freezing, move them into an unheated shed or garage before hard frost hits, especially if they are growing outside their recommended hardiness zone. The key is keeping the storage space above 20°F so roots stay protected while the plant goes dormant naturally. You can also wrap pots in burlap or bubble wrap and bury them in the ground or in a pile of mulch for added insulation. Start transitioning plants to their winter storage location as soon as nighttime temperatures consistently dip into the 40s, and check the soil periodically to make sure it never dries out completely.

When should I move container plants indoors for winter?

Start transitioning tender tropicals, herbs, and houseplants indoors before nighttime temperatures fall consistently below 50°F. Cold-hardy perennials and shrubs should be moved when temps dip regularly into the 40s, and fruit trees in containers need shelter before temperatures drop below 30°F. Move plants gradually over several days rather than all at once to reduce transplant shock, especially for sun-loving or humidity-dependent plants. Keep a close eye on your nightly forecast in early fall so you can act before the first frost catches you off guard.

Can tropical plants like hibiscus and gardenia survive winter in pots?

Tropical plants like hibiscus and gardenia cannot tolerate frost and must be brought indoors before nighttime temperatures drop below 50°F. Gardenia, being a broadleaf evergreen, still needs bright light during winter storage, so place it near a sunny window or under a grow light indoors. Hibiscus can be kept as a houseplant in a warm, bright space or allowed to go semi-dormant in a cool but frost-free room above 50°F with reduced watering. Bring both plants inside in early fall before the first frost, and gradually transition them back outdoors in spring once nighttime temps reliably stay above 50°F.

How do I overwinter a butterfly garden planted in containers?

To overwinter a butterfly garden in containers, move cold-hardy perennials like Coneflower, Black-eyed Susan, and Milkweed into an unheated garage or shed once nighttime temps consistently hit the 40s, keeping them above 20°F so roots stay protected but plants remain dormant. Tender nectar plants like Lantana or Pentas should come indoors before temperatures drop below 50°F and be placed near a bright window or grow light. Water dormant plants just enough to keep the soil from drying out completely, and check on them every few weeks through winter. Come spring, gradually reintroduce all containers to outdoor conditions over several days to avoid transplant shock before your pollinators return.

Should I cut back perennials in pots before overwintering them?

For most dormant perennials in containers, cutting back dead foliage to about 3 to 4 inches before overwintering helps reduce disease risk and keeps things tidy. However, leave some stem structure intact since it can help insulate the crown and signal you where the plant is come spring. Wait until after a hard frost has killed back the top growth before pruning, as the plant is still drawing energy from the foliage up until that point. Move your trimmed containers to an unheated shed or garage where temperatures stay above 20°F and check the soil periodically to make sure it never dries out completely.

How do I insulate outdoor container plants that are too large to bring inside?

For large containers that can't be moved indoors, wrap the pots themselves in bubble wrap, burlap, or horticultural fleece to protect roots from freezing temperatures, and group containers together to conserve heat. Mound mulch, straw, or wood chips around and over the pots to add another layer of insulation, keeping root temperatures above 20°F even during hard freezes. Terra cotta and ceramic pots are especially vulnerable to cracking in cold weather, so wrapping these is essential. Start insulating as soon as nighttime temperatures consistently dip into the 40s to give your plants the best chance of surviving winter undamaged.

Can I leave potted perennials outside all winter or do they need to be brought in?

Whether potted perennials can stay outside all winter depends on how their hardiness zone compares to your local climate. Plants grown within their recommended zone can often survive outdoors if the pot is wrapped in burlap or bubble wrap and the roots are insulated from freezing temperatures. Perennials grown outside their recommended zone should be moved to an unheated shed or garage where temperatures stay above 20°F and the soil never dries out completely. Check your plant's zone rating against your local winter lows, and when in doubt, move it indoors before nighttime temperatures drop consistently into the 40s.