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Venus Flytrap Big Mouth
IntermediateDionaea muscipula 'Big Mouth'
A cultivar forming very large traps, with leaves that can exceed 5cm.
About
Big Mouth (Dionaea muscipula 'Big Mouth') is a Venus flytrap cultivar selected for its exceptionally large traps, which can exceed 5 cm across and are capable of capturing larger insects and spiders than the typical wild-type plant. Care requirements are identical to the species: nutrient-poor acidic media (sphagnum or peat-perlite), tray watering with pure or rainwater only, and maximum available sunlight to encourage full trap development. Fertilizer must never be applied. Adult plants typically reach 8–15 cm in diameter. The cultivar's impressively sized traps make it a popular choice for both beginners seeking a dramatic plant and experienced collectors alike.
Lifespan of the Venus Flytrap Big Mouth
The Venus Flytrap Big Mouth lives 10-20 years.
Size of the Venus Flytrap Big Mouth
The Venus Flytrap Big Mouth grows to 8-15cm.
Temperature & humidity for the Venus Flytrap Big Mouth
A cold winter dormancy at 5–10°C is essential for long-term vigor.
Basic Info
Origin
Horticultural cultivar (wild species native to wetlands of North and South Carolina, USA)
Lifespan
10-20 years
Size
8-15cm
Temperature
10〜30℃
Humidity
60〜90%
Watering & Fertilizer
Insects (auto-capture)
Growing Tips
Light & Placement
Growing it in strong direct sun is what produces the big traps of over 5 cm. An outdoor spot in full sun is standard.
Watering
Tray-water to keep it constantly moist, using only pure or rain water. Never use tap water and never let the tray dry out.
Soil & Repotting
Use pure sphagnum or peat moss with perlite, and never fertilize under any circumstances. It grows to 8-15 cm across.
Dormancy Care
Winter dormancy at 5-10°C is important. Do not discard it when the top dies back; keep the tray shallow and wait for spring growth.
Pests & Cautions
Traps can close only a limited number of times. Even when it catches large insects or spiders, do not poke the traps or pull the prey out.
Venus Flytrap Big Mouth FAQ
QWhat is the growing difficulty level for Venus Flytrap Big Mouth?
Intermediate. A variety suitable for intermediate growers. Requires some cultivation experience and knowledge of environment management. Pay careful attention to temperature and humidity control.
QWhat is the lifespan of Venus Flytrap Big Mouth?
The average lifespan of Venus Flytrap Big Mouth is 10-20 years. With proper cultivation environment and nutrient management, you can keep it healthy for a long time.
QHow large does Venus Flytrap Big Mouth get?
The mature size of Venus Flytrap Big Mouth is 8-15cm. This may vary slightly depending on cultivation environment and individual differences.
QHow should I water and fertilize Venus Flytrap Big Mouth?
Venus Flytrap Big Mouth: watering & fertilizer — Insects (auto-capture). Aim for appropriate frequency and amount.
QWhat is the typical price for Venus Flytrap Big Mouth?
The price of Venus Flytrap Big Mouth varies significantly by variety, characteristics, size, and lineage. Please check GrowerDirect's price guide for the latest market information.
Last updated: September 25, 2026
Growing Specifications
- USDA Zone
- 5–8
- Hardiness (RHS)
- H3
Sources: Missouri Botanical Garden - Dionaea muscipula (Zone 5-8) / RHS Find a Plant - Dionaea muscipula (H3)
References & Sources
Edited & verified by: GrowerDirect Editorial Team
The classifications, regulations, and growing data on this page are created and verified based on the primary information database below.
Taxonomy & Authority
Accepted name: Dionaea muscipula J.Ellis 'Big Mouth'
Synonyms: Drosera sessiliflora Raf., Dionaea sessiliflora Raf., Dionaea sensitiva Salisb., Drosera uniflora Raf., Dionaea uniflora Raf., Dionaea corymbosa Raf.
Class: 栽培品種（cultivar）
Originator: (2013)
Awards: ICPS登録栽培品種
Authority databases: GBIF · POWO · ICPS cultivar registration (International Carnivorous Plant Society)
Nomenclature follows global taxonomic authority databases.
Regulations & Conservation Status
Although a cultivated variety, it is listed as CITES Appendix II under the species Dionaea muscipula (trade regulations apply at the species level). IUCN designations do not apply to cultivated varieties.
Sources: CITES Appendices (carnivorous plants) - ICPS/Barry Rice / CITES & Carnivorous Plant Checklist (RBG Kew)
Regulations may change. Always verify the latest information with the relevant authorities.
Related Species
Find listings for this species
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