Why Start an Indoor Gardening Club
An indoor gardening club gives members a reason to meet regularly, swap plants and know-how, and try projects that might feel like too much effort to do alone. Because the activities happen indoors, meetings aren’t dependent on weather, which makes them easier to schedule consistently through the year — including over winter, when outdoor gardening clubs often go quiet.
Hands-On Projects for Club Meetings
Propagation Stations
Members bring cuttings from houseplants or kitchen herbs — mint, pothos, and basil are commonly used — and root them in small glass jars of water. If you want more trailing houseplants like pothos to propagate, see our guide to trailing and hanging houseplants. This works well as a recurring activity, since everyone can track their cutting’s progress from one meeting to the next and take home a new plant once roots form.
Growing Microgreens
Quick-sprouting seeds like radish, broccoli, or kale can be sown in shallow trays and are often ready to harvest in roughly 10 to 14 days. Because the turnaround is short, microgreens are a good fit for a club that wants a project members can see through to completion within a month or so, rather than one that takes a whole season.
Kokedama (Moss Ball) Planting
Kokedama involves wrapping a plant’s root ball in moss and securing it with twine to create a hanging “string garden.” It’s a hands-on, slightly crafty activity that works well as a one-off session, since each person finishes with a displayable piece to take home.
Building Terrariums
Layering a small glass container with charcoal, gravel, and soil, then planting miniature ferns or air plants, makes for a satisfying group project with a visible, lasting result. It pairs well with a short demonstration at the start of the session, since the technique is easy to show but has a few steps worth getting right. For more on terrariums and other indoor growing formats generally, see this overview of indoor gardening in the UK.
Social and Swap-Based Activities
Seed and Cutting Swaps
Inviting members to bring labelled seeds, bulbs, or rooted cuttings to trade is a simple, low-cost way to build variety in everyone’s collection and gives people a reason to look forward to each meeting.
Pot Painting and Decorating
Customising plain terracotta pots with acrylic paint, stencils, or a waterproof sealant is an easy, low-mess activity that suits mixed-ability groups, including clubs that meet in care settings.
Pressed Flower Crafts
Flowers pressed in earlier sessions can be turned into bookmarks, greeting cards, or small framed pieces. This is a good activity for stretching a single growing season’s blooms across several meetings.
Regrowing Kitchen Scraps
Green onions, romaine lettuce, and celery can often be regrown from their leftover base in a shallow dish of water. It’s an inexpensive activity to demonstrate at a meeting, and members can continue it at home afterward.
More Ideas for Gardening Clubs
Beyond the projects above, clubs commonly build a programme around seasonal themes — bulb planting in autumn, seed starting in late winter, and harvest-sharing in summer and early autumn. Simpler craft-adjacent sessions, such as making a lavender bag, decorating plant pots, or building an insect hotel, are often used in educational or care-home settings and translate well to general clubs too. A short talk or demonstration at the start of each meeting, followed by hands-on time, is a common and workable structure.
Fun Indoor Plant Hobbies to Explore
Outside of formal club sessions, individual members might enjoy building a houseplant collection, trying propagation as an ongoing hobby, keeping a terrarium, or documenting plant growth with photos over time. These hobbies overlap naturally with club activities and can be shared back at meetings.
What Is the 70/30 Rule in Gardening?
There’s no single, widely agreed definition of a “70/30 rule” in gardening. Different gardeners use the phrase informally to mean different things — some use it loosely to describe a rough split between structure and informal planting in a design, others apply it to pruning or watering guidance. Because there’s no consistent, authoritative source behind it, it’s best treated as an informal rule of thumb rather than an established standard, and worth asking for clarification if someone in your club uses the term.
What Is the 5-4-3-2-1 Gardening Method?
Similarly, there isn’t a clear, widely recognised definition of a “5-4-3-2-1 gardening method” from an authoritative source. If a club member mentions it, it’s worth asking what specific system they mean, since the term doesn’t appear to refer to one standard, agreed-upon technique.
FAQ
What are some ideas for a gardening club? Seed and cutting swaps, propagation stations, terrarium building, and seasonal theme sessions (bulb planting, seed starting, harvest sharing) are all workable, low-cost ideas for regular meetings.
What are some fun indoor plant hobbies? Building a houseplant collection, propagating cuttings, keeping a terrarium, and growing microgreens are commonly enjoyed as ongoing indoor plant hobbies, and work equally well solo or shared with a club.
What is the 70/30 rule in gardening? It isn’t a standardised term — different gardeners use it to mean different things informally, so it’s best treated as a loose rule of thumb rather than an established rule.
What is the 5-4-3-2-1 gardening method? There’s no single, widely recognised definition for this; if someone references it, ask what specific technique they mean.
If your club includes elderly members or meets in a care setting, this guide to indoor gardening activities for elderly gardeners has activity and accessibility ideas worth drawing on.