Maybe some folks know this, but sharing just in case -- over the past year, I'd say UBC Botanical Garden's Shop in the Garden has significantly expanded its indoor plant selection. It's worth checking out. Arums, hoyas, pileas, some occasional botanical oddities, and so on are all things I think they are trying to regularly stock now. Can always check the Garden's instagram feed / stories to see if there's anything new (they just posted a couple videos to the IG stories section): https://www.instagram.com/ubcgarden/?hl=en
