Drosera anglica holds its narrow, spoon-shaped traps above the surrounding wetland vegetation. The familiar name English sundew describes only a small part of its geographical story: this perennial also occurs across northern Eurasia and North America, with an exceptional Hawaiian presence. For a grower, knowing where an accession came from matters almost as much as knowing its species name.
Recognising the English sundew
The accepted name is Drosera anglica Huds. “Great sundew” is another common name. Kew treats it as a species in its own right. A plant label should retain that name even when discussing its evolutionary relationship to other sundews. Kew taxonomic account.
The Flora of North America describes upright leaves with a distinct stalk and an elongated, widening blade. Typical blades are 1.5–3.5 cm long, occasionally reaching 5 cm, and 3–7 mm wide. Flowers are usually white. These measurements describe botanical variation; they are not a target that every cultivated seedling must reach. The flora records 40 chromosomes and distinguishes this established species from the sterile cross involving D. linearis and D. rotundifolia. Calling the latter “D. × anglica” obscures that distinction. Flora of North America.
The broad tip of the trap helps separate it from the more evenly narrow blade of D. linearis. Round traps point instead toward D. rotundifolia. Where several species coexist, intermediate-looking plants need closer examination: leaf shape alone cannot establish either a pure species or a hybrid. The North American genus key also uses stipules and seed characters. Flora of North America identification key.
Wetland habitats across a wide range
British Columbia's flora records the species in bogs, fens, wet meadows, swamps and lake margins. Its records span lowland and mountain landscapes. The same account describes sticky, gland-tipped hairs on the upper leaf surface and flowers opening in sunshine. Small, many-seeded capsules follow flowering. This is a wetland perennial with a complete flowering and seed-producing life cycle, rather than a permanently miniature insect trap. E-Flora BC.
A wetland name does not specify a single water chemistry. The North American flora includes marly shores and drainage tracks in peatlands. Maine's conservation account particularly associates its local populations with circumneutral fens and peaty sites. These records make it inappropriate to describe every wild population as occupying exactly the same acidic sphagnum habitat. They also do not provide a reason to add limestone to an established cultivation mix. Habitat descriptions and potting instructions answer different questions.
Temperate plants and Hawaiian plants
The International Carnivorous Plant Society recommends a definite winter rest for temperate D. anglica, while describing Hawaiian material as suitable for a cool tropical growing regime. Temperate plants form a compact resting bud, or hibernaculum. A Hawaiian accession should not automatically receive the same freezing treatment simply because the binomial is identical.
The society also discusses a California × Hawaii horticultural cross. That is a cross between geographical forms of D. anglica, not evidence that either parent is a separate species. Keep its supplied parentage on the label. A locality name without an established chain of records should remain an unconfirmed attribution.
For temperate seed, the ICPS emphasises light during cold, moist stratification and recommends protected autumn sowing. Its standard dark-refrigerator method for several other temperate sundews is specifically unsuitable as a universal D. anglica recipe. Keep seed on the surface and prevent rain from moving it between labelled pots. ICPS cultivation guidance.
Reading the plant through the year
An annual record should show the active leaves, any flowering, contraction into a winter bud and subsequent return to growth. Those observations are especially useful when a plant arrives with an incomplete locality label. They document its behaviour without pretending to reconstruct an unknown wild origin.
A compact seasonal bud and a collapsing growing point require different interpretations. Before changing the regime, compare the timing with the plant's previous year and note recent heat, drying or disturbance. Do not excavate a sound resting crown merely because its summer leaves have disappeared.
Conservation is regional
Maine's 2025 Wildlife Action Plan lists English sundew as Endangered within the state, while recording a globally secure NatureServe rank. It identifies water management, invasive species and infrastructure among relevant pressures. A wide worldwide range therefore does not guarantee that every local population is secure. Maine conservation account.
For a collection, propagated material with a reliable identity offers a better starting point than an undocumented wild transplant. For understanding the species, preserve the distinction between the northern seasonal plant, Hawaiian material and horticultural crosses. That distinction is the foundation of useful care advice.
Nano Nursery Drosera Encyclopedia — species profile. Related core chapters: 25, 28 and 29. Reviewed 23 September 2026. Cultivation guidance concerns established plants; recently deflasked plants need separate acclimatisation.
