Garden columnist Dan Gill answers readers' questions each week. To send a question, email Gill at [email protected]. I have a night blooming cereus that is several years old and that has ...

Q: I have a large night-blooming cereus in my greenhouse. It really needs to be repotted. What kind of potting soil would be best, and when should I repot it? A: Like its somewhat distant cousins ...

Can you give me some info about growing a night-blooming cereus? At what time of year do they usually bloom? Is there anything I can do to encourage blooming? What do you recommend about exposure to ...