Top 15 Greenhouse Forums in 2025

1. Gardening Forums » Greenhouse Gardening

Forum https://www.gardening-forums.com/forums/green.. + Follow
Welcome to Gardening Forums where you can ask questions or find answers on a wide range of gardening topics. We're a friendly gardening community, with members of all experience levels welcome. This category of the forum discusses growing plants in Greenhouses/glasshouses as it protects your plants from too much heat or cold and keeps pesky bugs at bay.MORE Facebook Followers 605 View Recent Threads

2. UBC Botanical Garden » Indoor and Greenhouse Plants

Forum https://forums.botanicalgarden.ubc.ca/forums/.. + Follow
The section is all about Indoor and Greenhouse plant care, propagation, identification, appreciation, and more! This is a help forum for discussing gardening, botany, and plants. UBC Botanical Garden is Canada's oldest university botanic garden. Established in 1916, its original mission was to research the native flora of British Columbia.MORE Facebook Followers 12.1KTwitter Followers 11.6K View Recent Threads

3. International Cannagraphic Magazine Forums » Growing in Greenhouses

Forum https://www.icmag.com/forums/growing-in-green.. + Follow
Discuss growing Cannabis in Greenhouses, talk about optimal soil, light and fodder for growing, find tips on cleanliness and maintenance of the greenhouse, and much more in this section of the forum. International Cannagraphic Magazine Forums is the place to get help from the community with any Cannabis Growing questions.MORE View Recent Threads

4. Reddit » Greenhouses

Forum https://www.reddit.com/r/Greenhouses/ + Follow
A subreddit community to discuss and celebrate greenhouses in all their glory. Reddit is a network of communities where people can dive into their interests, hobbies, and passions.
Facebook Followers 1.9MTwitter Followers 1.1MInstagram Followers 883.3K View Recent Threads

5. Orchid Board » Greenhouse Gardening

Forum http://www.orchidboard.com/community/greenhou.. + Follow
A section that contains all aspects of greenhouse operations ie. growing, maintenance, issues, etc. OrchidBoard is an online community to discuss all aspects of the Orchid by asking questions related to orchid propagation, orchid alliances, styles, setups, enclosures, classifieds, and more.MORE Facebook Followers 6.9K View Recent Threads

6. Garden And Gossip Forums » Greenhouse/polytunnel chat

Forum https://www.gardenandgossip.org/forumdisplay... + Follow
The central hub for news, updates, information, and discussion about Gardening. Chat with your mates about seeds, gardening stuff to buy, and more. Find a wide range of greenhouse gardening, cleaning & maintenance tips, talk about your plantations, and more in this section of the forum.MORE View Recent Threads

7. The Easy Garden » Indoor & Greenhouse Gardening

Forum https://www.theeasygarden.com/forums/indoor-g.. + Follow
This category is for discussion on Indoor & Greenhouse Gardening. Talk about your houseplants, exchange tips and tricks on planting and maintenance, and more. Learn and share everything about gardening. Ask questions, get answers, & share your experiencesMORE View Recent Threads

8. Reddit » The Greenhouse

Forum https://www.reddit.com/r/greenhouse/ + Follow
A subreddit dedicated to all things greenhouses. Reddit is a network of communities where people can dive into their interests, hobbies, and passions.
Facebook Followers 1.9MTwitter Followers 1.1MInstagram Followers 883.3K View Recent Threads

9. National Gardening Association Forum » Greenhouses

Forum https://garden.org/forums/view/greenhouses/ + Follow
NGa's mission is to inspire, educate, and encourage gardeners everywhere in all aspects of gardening. We teach people how to get started gardening and improve their plant-growing skills. This section is dedicated to discussing Greenhouses. Chat with fellow gardeners and ask for help/advice related to setting up and maintaining greenhouse here.MORE Facebook Followers 79.5KTwitter Followers 6.2KInstagram Followers 12K View Recent Threads

10. Grasscity Forums » Greenhouses

Forum https://forum.grasscity.com/forums/greenhouse.. + Follow
In this section, find discussions on growing cannabis in outdoor greenhouses. Grasscity.com is an online Marijuana Community committed to bringing information and customer satisfaction. From MMJ to Growing Marijuana, from buds to news, and everything between!MORE Facebook Followers 105.8KInstagram Followers 142.7K View Recent Threads

11. GardenStew » Greenhouse

Forum https://www.gardenstew.com/forums/greenhouse.46/ + Follow
Chat about growing plants in a greenhouse, its setup, maintenance, and growing tips here. GardenStew is a friendly forum community for gardeners and homeowners to actively take part in discussions, explore plant databases, post photos & videos, and more!MORE Facebook Followers 784Twitter Followers 105 View Recent Threads