Less is more: a single specimen, sublimely displayed, redefines the very concept of indoor gardening. Tovah Martin's new book, the unexpected houseplant, proves you don't need much room to grow

paddle plant 'This little-known succulent deserves to take American living rooms by storm,' says Tovah Martin. Why? Kalanchoe thyrsiflora's wavy, red-tipped leaves read as one massive bloom--one whose striking looks [...]