Terrarium Plants
Best Carnivorous Plants for Terrariums (And How to Keep Them Thriving)
Why Terrariums Work for These Plants
Sundews, butterworts, and bladderworts are native to boggy, humid habitats, so the elevated humidity inside a terrarium closely mimics home for them — that's why they're some of the most popular terrarium picks in our lineup.
Open vs. Closed: What Extension Research Actually Recommends
It's tempting to assume "more humid is always better" and seal the terrarium up completely, but Clemson Cooperative Extension's guide to indoor carnivorous terrariums recommends keeping them open whenever possible to prevent mold and rot — and if you do use a lid, maintaining airflow through wide spacing or a low-powered fan. If mold shows up, remove the cover and increase airflow before doing anything else.
Mixing Species
Yes, you can mix species in one terrarium as long as they share similar light and water needs — most sundews and butterworts pair well together.
Source: Clemson Cooperative Extension HGIC — Creating an Indoor Carnivorous Wetland Terrarium
Our Terrarium-Ready Picks
Sarracenia purpurea – Purple Pitcher Plant (Large), Cold Hardy Live Carnivorous Bog Plant (Bare Root)
A dramatic pitcher plant that adds height and drama to a larger terrarium setup.
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Drosera capensis – Cape Sundew, Live Carnivorous Plant, Beginner Friendly (Bare Root)
The classic beginner sundew — sparkling dew that thrives in enclosed humidity.
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Drosera capensis ‘Mini Red’ – Ruby Jewel Carnivorous Sundew
A small, low-growing sparkling red sundew that carpets damp terrarium substrate beautifully.
View product →Which One's Right for You?
| Plant | Terrarium Fit | Notes |
|---|---|---|
| Cape Sundew | Excellent, classic choice | Beginner-friendly, tolerates a range of humidity |
| Sarracenia Purpurea | Good in larger enclosures | Needs more height and airflow than smaller terrariums provide |
| Bladderwort | Excellent for damp substrate | Low-growing, carpets the terrarium floor |
How to Get the Best Results
Light
12–14 hours of full-spectrum LED light per day works well inside an enclosure — avoid direct sun through glass, which can overheat a closed terrarium
Water
Distilled, rain, or reverse osmosis water only — tap or mineral water will damage these plants over time
Soil
Equal parts sphagnum peat moss and perlite, or peat moss and play sand — never fertilized potting soil
Airflow
Keep the terrarium open when possible, or use a lid with wide spacing or a small fan — stagnant humidity invites mold
FAQ
Not necessarily. Most of the plants here appreciate higher humidity, but Clemson Cooperative Extension's guide to indoor carnivorous terrariums actually recommends keeping terrariums open whenever possible to prevent mold and rot. If you do use a lid, make sure there's real airflow — wide spacing or a small fan — rather than sealing it completely.
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Yes, as long as they share similar light and water needs — most sundews and butterworts pair well together.
Clemson Extension recommends 12 to 14 hours of direct, full-spectrum LED light per day for indoor carnivorous terrariums, run on an outlet timer for consistency. Avoid placing an enclosed terrarium in a sunny window — the glass can trap heat and cook the plants inside.
Terrarium-grown sundews and butterworts are genuinely beginner-friendly — the enclosed humidity does a lot of the work for you. On our site we provide a Grower Expertise filter you can filter plants by, plus care tips for each plant.
Absolutely! Every plant ships with a plant care guide, plus a QR code linking to more detailed care info on our site.
Looking for even more depth? We offer a collection of digital care guides you can download instantly after purchase.
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