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Cold sensitivity houseplants and exotic annuals

linnea56 (zone 5b Chicago)
2 months ago
last modified: 2 months ago

Anyone know of a list somewhere? I’ve looked online in vain.

I have MANY pots and hanging baskets on my deck and front patio. Many I overwinter indoors. I usually dead head and trim and bring in mid-October. But temperatures will be dipping to a low of 43 degrees F at night the next few nights. I think I have to bring some in this week. It's easier if I don't have to bring them ALL in at once, and find places and saucers for everything.

But I can’t find a list anywhere of how cold is too cold for any of these. Anyone know of one? I asked on a local houseplant forum and the answers were wildly different.

Here is what I am concerned about:

Rex begonias – the rhizomatous ones

Cane begonias – Dragon wing, Angel wing, and other types

Rieger begonias

Tuberous begonias

Succulents including Jade plants

Coleus – tall exotic ones




Citrus- Meyer lemon

Rubber Tree (Ficus elastica)

Chicago Hardy Fig

Tropical hibiscus

Dieffenbachia aka dumbcane

Tradescantia zebrina aka wandering dude


Algerian ivy

Swedish ivy

Elephant ears -dwarf varieties

Thanks for your help!

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