Source: Wikimedia Commons
Drosera Regia
AdvancedDrosera regia
Called King Sundew, the largest sundew with leaves exceeding 60cm.
About
Drosera regia, the king sundew, is a magnificent species restricted in the wild to a single ravine—Bainskloof—in the Western Cape of South Africa, making it one of the rarest sundews in nature and listed as Endangered by the IUCN. It is among the largest sundews, producing strap-like leaves that can exceed 60 cm in length, densely covered with mucilage-tipped tentacles capable of capturing relatively large insects. Despite its size, the plant requires careful cultivation: nutrient-poor, consistently moist sphagnum media, tray watering with pure or rainwater, strong light, and cool to moderate temperatures (it is intolerant of prolonged high heat). Growth is slow. The combination of its rarity, impressive stature, and botanical uniqueness has made D. regia highly prized by advanced carnivorous plant collectors.
Basic Info
Origin
Bainskloof Valley, Western Cape, South Africa (a single natural population)
Lifespan
10+ years
Size
30-60cm
Temperature
10〜30℃
Humidity
60〜90%
Watering & Fertilizer
Insects (auto-capture)
Growing Tips
Size
Largest sundew
Rarity
Few wild locations
Temperature
10-25°C
Watering
Always moist
Drosera Regia FAQ
QWhat is the growing difficulty level for Drosera Regia?
Advanced. A variety suitable for advanced growers. Requires advanced cultivation techniques and specialized equipment, with careful environmental adjustments needed.
QWhat is the ideal temperature for Drosera Regia?
The ideal temperature for Drosera Regia is 10〜30℃. Recommended humidity is 60〜90%. Avoid sudden temperature changes and maintain a stable environment.
QWhat is the lifespan of Drosera Regia?
The average lifespan of Drosera Regia is 10+ years. With proper cultivation environment and nutrient management, you can keep it healthy for a long time.
QHow large does Drosera Regia get?
The mature size of Drosera Regia is 30-60cm. This may vary slightly depending on cultivation environment and individual differences.
QHow should I water and fertilize Drosera Regia?
Drosera Regia: watering & fertilizer — Insects (auto-capture). Aim for appropriate frequency and amount.
QWhat is the typical price for Drosera Regia?
The price of Drosera Regia varies significantly by variety, characteristics, size, and lineage. Please check ボタちょく's price guide for the latest market information.
Last updated: July 8, 2026
References & Sources
Edited & verified by: BoTachoku 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: Drosera regia Stephens
Synonyms: Freatulina regia (Stephens) Chrtek & Slavíková
Authority databases: GBIF · POWO · ICPS 栽培品種登録(国際食虫植物協会)
Nomenclature follows global taxonomic authority databases.
Regulations & Conservation Status
本属はCITES附属書に非掲載(食虫植物でCITES対象はNepenthes/Sarracenia/Dionaeaのみ)。
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
Related Articles
Drosera (Sundew) Care Guide | Diverse Carnivorous Plants That Trap Insects with Sticky Droplets
A guide to caring for Drosera (sundew) carnivorous plants. Learn the characteristics of beginner-friendly varieties like spatulata, capensis, and adelae, as well as methods for tray watering, light conditions, overwintering, and leaf propagation.
Drosera Propagation Guide — Leaf Cuttings, Division & Seeds
Propagating sundews: leaf cutting technique, division method, seed sowing, and species-specific propagation recommendations.
Complete Sundew Growing Guide — Bringing Out Dewy Beauty
Sundew guide: popular species, tray watering, light requirements, and differences between temperate and tropical varieties.
Types of Sundews and Cultivation Techniques | Bringing Out the Beauty of the Mucilage
This guide explains the characteristics of major sundew species and cultivation techniques (lighting, humidity, and substrate) for bringing out the beautiful shine of their mucilage.