Communities related to r/whatsthisplant, with what each one is for and how it differs. Member figures come from SubMouse's safe-for-work directory.
r/whatsthisplant (about 1.8M members, directory rank #600) is for uploading plant photos for identification. Growing advice, houseplant care, indoor edible gardens and insect ID each have clearer homes.
See also whatsthisplant vs gardening on SubMouse.
Stay on whatsthisplant for ID requests. Use gardening for growing advice, houseplants for indoor plant care, IndoorGarden for indoor edibles, and whatsthisbug for insect identification.
r/whatsthisplant — What's This Plant
A community of plant enthusiasts where anyone can upload photos of plant(s) they would like identified. Everyone is encouraged to help each other identify plants.
Gardening, Plants, and Agriculture.
When to choose it: Growing and plant care rather than naming a mystery plant.
Why it is here: Paired on whatsthisplant vs gardening; directory related. Large gardening community (about 9.0M members, rank #85).
How it differs from r/whatsthisplant: Cultivation advice versus identification requests.
Houseplants
When to choose it: Care of indoor houseplants you already identified.
Why it is here: Public description: care and well-being of houseplants (about 3.0M members, rank #357). See gardening vs houseplants.
How it differs from r/whatsthisplant: Ongoing care versus ID threads.
/r/IndoorGarden
When to choose it: Indoor herbs and vegetables.
Why it is here: Directory related neighbourhood. Public description: indoor garden tips (about 1.2M members, rank #921).
How it differs from r/whatsthisplant: Indoor edible growing versus outdoor plant ID.
Bug identification! All insects, spiders, crustaceans, etc. welcome!
When to choose it: Insect and arthropod identification.
Why it is here: Public description: bug identification for insects, spiders and crustaceans (about 1.3M members, rank #838).
How it differs from r/whatsthisplant: Bug ID versus plant ID.
Use the related subreddits finder for r/whatsthisplant: Find related to r/whatsthisplant.
Members and public descriptions come from SubMouse's safe-for-work directory (as of 2026-11-09 UTC); 7-day growth measured from 2026-11-02. Directory rank is listing order. Guide updated 2026-11-07.