what Becky said about your Asparagus fern ......they need a lot of water leave the pot sitting in a tray of water so it can absorb as much as it needs Remove the brown leaves so only the green ones remain. It's best to do this as fast as possible because rotten leaves will attract diseases. What turns brown, stays brown. Leave in the same pot till spring. by then it should have roots popping out the base of the pot & mass of them in it ...the fern needs plenty of water although a little less than in summer the. Calla needs none till spring & mango needs only be kept just moist till spring too. just keep an eye on the growing point of your mango, as long as the stem and tip are alive &healthy green in colour, then fresh leaves should form come spring. A cool dry position with good light but away from any Frost 
I replanted both of my asparagus ferns, I found a earthworm in one of them. They don't look like they are dropping any leaves and I've actually seen allot of new growth one both of them. I'd love to let them sit in a pot of water but what about fungus gnats?My calla's look dead too.... but always come back in spring
Thank you, that helped allot. How long should I wait till water after replant? Instantly?I'm sorry you lost your Calla lily.
Since they came from Lowe's, they may have been fairly stressed already and some plants are not resilient to change. I wonder if you were to repot it in good (preferably organic, not Miracle Gro or cheap potting soil), they would rebound?
I don't know if an application of fertilizer would help...I know most house plants go a bit dormant in winter and shouldn't be fertilized then. But if you're in SoCal maybe it would be OK.
Hahaha I wish. My cat isn't photogenic at all and I just needed a profile picture, thank you so muchFor sure right after replanting, a good soaking to settle the soil around the roots.
BTW the cat in your avatar is adorable, is it yours? I'm partial to grey cats.
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