I look at a few of the thorny issues around watering, such as whether it's better to water with rainwater or tap water, what temperature the water should be, and how to tell if your houseplants need watering in the first place.
Read MoreMy guest this week is Mr Plant Geek, aka Michael Perry. We discuss the big trends in houseplants, why we should be growing cacti from seed, and why mainstream media still haven't latched on to indoor gardening. Plus a Q&A on a ponytail palm with an identity crisis.
Read MoreAll those nagging houseplant questions - why is my succulent leggy and wan? What kind of Monstera do I really have? Why is my Pilea looking peaky? - are answered in this Q&A special.
Read MoreAlys Fowler is a gardener and garden writer who I first met when she became the gardening columnist at the Guardian, and I was gardening editor. Her new book on houseplants, Plant Love, is out now - I visited her at home to talk about why top-selling houseplants are like tights, how Instagram has made variegated leaves popular and why propagating cuttings in water works (despite my doubts).
Read MoreMargaret Roach of awaytogarden.com has a garden of two-plus acres in New York state, yet she still manages to find time for houseplants. We find out about her obsession with caudiciform (or "fat") plants and compare notes on begonias and clivias.
Read More