Identification of two houseplants

I would like to increase my collection a bit. They help humidify the dry, artificially heated air in the winters indoors. Here's what I have grown for years and years in my house and do quite well: Ficus benjamina variegata Monstera deliciosa albo-variegata Marble pothos Peace lily Inverse...

I was told when the leaves of your house plants turn black on the tips it means that you either have water too much or not enough. I would like to know which one is true. Thanks.

We had our first frost last night. I have had my house plants outside since early spring, and didn't even think about them and the frost. They are sitting right next to the house and there is a tree overhead. I'm wondering if they are going to be alright...

We have just brought our houseplants back inside from them being outside all summer. Our youngest cat (11 months old) likes to get in the planters and play in the soil tossing it out onto the floor. Any suggestions on what we can do to keep her out?

I bought a plant,"Ivy Starling",I followed the light and water instructions and for the first few months it was lovely. Then some of the stems started drying up . I had treated it for aphids and it did not seem to hurt it. When it started dying,I repoted with fresh soil and a clean pot. It seemed...