Title: Artificial Purple Irises Mysteriously Placed on My Property — Any Symbolic Meaning?

I discovered a bunch of artificial purple flowers, which appear to be irises, neatly placed beside my recycling bin.

They weren't there the previous night, as far as I'm aware.

What's particularly curious is their positioning. They were laid flat, slightly in front of and to the side of the bin, with the flower heads pointing directly towards my house.

The location means someone would have had to come onto my property to leave them there.

I've been researching the symbolism of purple irises and discovered their historical associations with wisdom, courage, remembrance, hope and Iris, the messenger goddess in Greek mythology.

I'm curious whether anyone recognises this arrangement or knows of any folklore, cultural traditions or symbolic meanings associated with leaving artificial purple flowers outside someone's home.

Could it be a gesture with a particular meaning, or simply an unusual coincidence?

I'd particularly appreciate perspectives from people familiar with flower symbolism, folklore or historical traditions.

Photo attached for reference.

i was curious about the symbology in this painting, by a swedish christian-spiritualist artist made in the early 20th century. the triangle i assumed is the alchemical symbol for water and/or a reference to the holy trinity. and the symbol above that looks like the pisces zodiac sign. but the inverted 2 i have no idea about, i was wondering if anyone here knows what associations it may have. i tried looking around but couldn't find anything.

thank you in advance!