
So, how it got there was likely a little gift from a neighbourhood bird.
Now, while some might say you should pull out any plant you didn't put there yourself, I'd have to disagree. I think these "volunteer" plants are great! It's like your balcony garden decided to give you a surprise. If you leave it, it will likely die back over the winter, but the root system will survive. Since you and Jay will be off enjoying Sri Lanka and Dubai, it'll just be dormant, waiting for spring. Next summer, you should be rewarded with a tall stalk of lovely flowers.
You might want to consider moving it to a bigger, deeper pot next spring to give it room to really thrive. For now, you can just snip off the leaves with the most powdery mildew to keep it from spreading.
And as you're here in New Westminster, here are the tides for you on the Fraser River for today, Saturday, October 11, 2025:
Low Tide: 5:58 AM (1.3 m)
High Tide: 11:34 AM (3.5 m)
Low Tide: 5:47 PM (1.8 m)
High Tide: 11:20 PM (3.8 m)