r/terrariums is a subreddit with 281k members. The community frequently discusses terrarium, plants, new, mold, and springtails, and they frequently recommend/review plants, plant, and substrate, and the most common flair used is showing off, build help/question, plant help/question, pest help/question, and discussion.
This is a community for Horticulture Terrariums.
Building, sharing, helping, learning, supporting, and experimenting.
Welcome to our community!
Popular Topics in r/terrariums
#1
Terrarium
120 posts
#2
Plants
31 posts
#3
New
12 posts
#4
Mold
8 posts
#5
Springtails
8 posts
#6
Isopods
7 posts
#7
Advice
6 posts
#8
Help
5 posts
#9
First
5 posts
#10
Moss
3 posts
Products Discussed in r/terrariums
Flair Used in r/terrariums
#1
Showing Off
: "2 Year Old Terrarium"
29 posts
#2
Build Help/Question
: "Ideas for my terrarium? Create an ecosystem with at least 2-4 different species and a sustainable environment"
22 posts
#3
Plant Help/Question
: "UK - Good place for terrarium glass?"
21 posts
#4
Pest Help/Question
: "Advice on terrarium with isopods"
10 posts
#5
Discussion
: "My terrarium has gotten out of control. My husband likes it. Should I scale it back?"
7 posts
#6
Humor
: "The slug does not care for the sticky tape"
2 posts
#7
META
: "Ferns taking over an abandoned factory [OC]"
1 post
#8
Educational
: "Terrarium Youtubers"
1 post
Member Growth in r/terrariums
Yearly
+31k members(12.3%)
About
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Last updated: October 27, 2026