Mystery plant citrus

Would you be able to identify this plant and let me know how to take care of it? You very kindly answered my question about my hibiscus and other plants, which are all doing well.  …

Christmas cactus (Schlumbergera)

I have a large healthy-looking Christmas cactus which has only one bloom now. In the past it has been full of blooms. It has southern exposure in a bay window. What can I do to increase the number of blooms?…

Ficus benjamina

We kept our ficus out in summer and it thrived. I brought it in one day too late and it froze. All the leaves and buds have dried up and fallen. Is it permanently dead?…

Questions about a small greenhouse

Hi, I have two questions: 1. How should I keep the area under my 0.5m x 1.5m indoor green house flies free? (My greenhouse works with a plant growth light) 2. For how hours in a day should I keep…

Watering potted Plants

I have two houseplants in tapered pots, not sure if they are clay or fibre pots, wider at top than bottom.  Is there a way to ascertain if the plant is  receiving  the  water and nutrients it needs?…

Fungus gnats

Every year when I bring in my tropical plants from the outdoors I get these little flies which I think are fungus gnats.  How can I get rid of them and stop them from invading my home?…

Philodendron

I have a philodendron which I have had for a very long time.  It was given me by a friend about 40 years ago.  Recently the leaves have started turning yellow and I pull them off.  I don’t want to…

Indoor orchids

3 questions: 1) Of the two extremes, which do orchids prefer,overwatering or underwatering? 2) Most orchids seem to be planted in clear plastic pots. Is this preferable to other pots? 3) I am contemplating repotting my orchids in larger pots,…