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Redvein enkianthus

Redvein enkianthus

Enkianthus campanulatus
Redvein enkianthus is a deciduous shrub endemic to Japan, valued for a two-season display: pendant clusters of creamy-white, red-veined bell flowers in spring followed by some of the most intense scarlet-to-copper autumn colour of any garden shrub. It holds an RHS Award of Garden Merit and is considered the hardiest of its genus, surviving to around -20 F (zone 4b). The honest catch is non-negotiable soil chemistry: it demands consistently moist, fertile, acid soil (pH 4.5-6.0) and will sulk or die in alkaline or clay ground - no amount of surface treatment permanently corrects a limey site, so confirm soil pH before planting. Note too that, as a member of the heath family, its tissues are best treated as toxic if ingested.
Climate fit: narrow (26/100)
Focal point
Border
Structure
Pollinator
Light
Full sun / Part shade
Water
Consistent moisture
Mature size
96-180" tall · 60" apart
Hardy in zones
4b-7b
very cold to cold winters
Native in Illinois
No

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Pendant bell flowers are visited by long-tongued bumblebees for nectar - Bombus ardens is documented visiting E.

Cold hardiness

These values are location-based: this location's current hardiness is the baseline, and the 2050 value is a projected future climate for this same location.
Now
Zone 6b
Plotwright
USDA Zone 6b
-5°F to 0°F
Well-suited
Zone 7a
Plotwright
0°F to 5°F
Well-suited
In plain terms: This location has cold winters. Its winters are projected to keep warming through 2050.
Well-suited today and still thriving in 2050.

Heat tolerance

Heat tolerance values are location-based too: heat days today are observed at this site, and the 2050 value projects this same location under a future climate.
Loading AHS heat-zone data for this location...

Similar plants

Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.
Euonymus europaeus
European spindle
A deciduous European hedgerow shrub or small tree grown above all for one of the most arresting autumn shows of any native woody plant — rosy-pink, four-lobed fruit capsules that split to reveal vivid orange-coated seeds, hanging against red-purple foliage. Native across Europe and into western Asia (POWO, Kew), it is a tough, undemanding plant for hedgerows and informal screens that genuinely earns its keep for wildlife: insect-pollinated flowers in spring, seeds taken by birds, and aphid colonies that feed ladybirds and hoverflies. The honest pitch, and it is load-bearing: every part of this plant is toxic if eaten and the colourful fruit is especially so, so it must be sited away from where children might be tempted; it is also a primary winter host of the black bean aphid, so keep it well clear of a vegetable plot. With those two caveats respected, it is a dependable, wildlife-rich native — chosen for honest autumn drama, not for being trouble-free.
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Border
Focal point
Structure
Pollinator
Arbutus unedo
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The strawberry tree (Arbutus unedo) is a handsome evergreen of the heath family that earns its keep through one striking trick: in autumn it carries white, urn-shaped flowers and round, warty, red strawberry-like fruit on the plant at the same time, against dark glossy leaves and peeling red-brown bark. Native to the Mediterranean region and, unusually, western Ireland (POWO, Kew), it is a tough, drought- and lime-tolerant shrub or small tree for mild gardens — but only moderately cold-hardy (roughly USDA zone 7 and warmer), so it is not a plant for hard-winter areas. RHS gives it the Award of Garden Merit and rates it hardy in most of the UK in mild areas (H4). The fruit is edible but bland and mealy fresh — its name unedo, 'I eat one', is a fair warning — and is mostly used cooked for jams and liqueurs.
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A large, vigorous, fountain-shaped deciduous shrub that earns its common name in late spring, when its arching stems are smothered in masses of pale-pink, yellow-throated, bell-shaped flowers. Native to China, it is one of the great old-fashioned spring shrubs — spectacular in full bloom, much loved by bees, and offering peeling brown bark for quiet winter interest. It is also genuinely big: expect 6 to 10 feet tall and wide at maturity, so give it room rather than fighting its size with the shears. The form to seek out is the Award-winning "Pink Cloud", which carries a clearer, richer pink than the variable seed-grown species.
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Full sun / Part shade
Moderate water
Zones 4a-8b
Climate: narrow
Focal point
Structure
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Pollinator
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Flowering Currant
Flowering currant is a deciduous shrub native to the Pacific coast of western North America, from British Columbia south through Washington and Oregon to coastal California (as far south as Santa Barbara County), with a marginal inland presence in Idaho and a southern outpost on Guadalupe Island, Mexico. Its bold dangling racemes of deep-pink to crimson flowers open in early spring, often before the leaves, making it one of the most conspicuous late-winter shrubs in mild gardens. The honest catch is threefold: it is a confirmed alternate host of white pine blister rust (a serious pathogen of five-needled pines), its blue-black berries are edible but notably insipid, and it has become an established invasive weed in New Zealand (where it forms dense stands excluding native species) and is a more minor, localized weed in Tasmania.
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Full sun / Part shade
Moderate water
Zones 6a-9a
Climate: narrow
Border
Focal point
Pollinator
Structure
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A four-season native shrub of the southeastern United States, where NC State Extension notes it grows wild in moist woods and along stream banks. It is an upright, multi-stemmed deciduous shrub, slow-growing to roughly 4-8 feet tall and 4-10 feet wide, named for its large, oak-shaped, lobed dark-green leaves. Showy pyramidal 4-12 inch panicles of creamy-white flowers open from late spring into summer and fade to pink and then tan, while the bold foliage turns wine, orange, and mahogany in fall over peeling cinnamon bark. Easy and low-maintenance in organically rich, well-drained soil, it is grown as a specimen, in masses, or as an informal hedge.
Shrub
Full sun / Part shade
Moderate water
Zones 5a-9b
Climate: moderate
Focal point
Structure
Border
Pollinator

Educator packet

Plant packet
Redvein enkianthus educator packet
Redvein enkianthus is a deciduous shrub endemic to Japan, valued for a two-season display: pendant clusters of creamy-white, red-veined bell flowers in spring followed by some of the most intense scarlet-to-copper autumn colour of any garden shrub. It holds an RHS Award of Garden Merit and is considered the hardiest of its genus, surviving to around -20 F (zone 4b). The honest catch is non-negotiable soil chemistry: it demands consistently moist, fertile, acid soil (pH 4.5-6.0) and will sulk or die in alkaline or clay ground - no amount of surface treatment permanently corrects a limey site, so confirm soil pH before planting. Note too that, as a member of the heath family, its tissues are best treated as toxic if ingested.
Scientific name
Enkianthus campanulatus
Plant type
shrub
Hardiness
4b-7b
Light
full-sun, part-shade
Moisture
consistent
Spacing
60 inches
Classroom prompts
- Which plant traits are observations, and which are care recommendations?
- How would this plant fit change if the garden location moved warmer, colder, wetter, or drier?
- Which source-backed facts would you cite in a lesson handout?
Use the Sources & citations section below for page citation styles and the field-level source list.

Sources & citations

Cite this page
For lesson plans, articles, or research that uses this page. To cite a single upstream fact instead, use its specific source listed below.
Plotwright. (2026, May 17). Redvein enkianthus (Enkianthus campanulatus). Retrieved 2026, June 30, from https://plotwright.com/plants/enkianthus-campanulatus
Sources for every fact
Every fact on this page traces to a source. 18 fields cited - 18 source-backed.
RHS Find a Plant
Botanical research database
Backs 17 fields
Identity
Summary
Plant type
Light
Moisture
Hardiness
Heat zone
Size
Spacing
Habit
Design roles
Seasonal interest
Growth stages
Lifecycle
Regional guidance
Success tips
Designer notes
Wikimedia Commons
Photo · CC BY-SA 3.0
Backs 1 field
Image
GBIF
Botanical research database
Wikipedia (ecoregion articles)
Botanical research database