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Redbud hazel

Redbud hazel

Disanthus cercidifolius
Disanthus cercidifolius is a slow-growing deciduous shrub (Hamamelidaceae) native to woodland habitats in Japan and central/eastern China, grown almost exclusively for its spectacular autumn display of red, purple, orange, and yellow heart-shaped foliage and its curious paired, dark-purple, spider-like autumn flowers. It holds the RHS Award of Garden Merit and earns its place as a focal-point specimen in a sheltered woodland or acid-soil border. The honest catch is uncompromising soil chemistry: as a strict calcifuge it slowly declines and dies in limey soil above roughly pH 6.0, it is drought-intolerant and notoriously difficult to establish, and it is one of the slowest-growing ornamental shrubs in cultivation — a decade or more for a worthwhile specimen.
Climate fit: narrow (30/100)
Focal point
Border
Structure
Light
Part sun / Part shade
Water
Consistent moisture
Mature size
72-120" tall · 108" apart
Hardy in zones
5a-8b
very cold to frosty winters
Native in Illinois
No

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Grown purely as an ornamental.

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.
Hydrangea macrophylla
Bigleaf hydrangea
A woody, deciduous flowering shrub in the Hydrangeaceae, native to Japan, China, Korea, and Southeast Asia and long grown as the classic "hortensia" or French hydrangea. NC State Extension describes a rounded shrub 3 to 6 feet tall and wide with large opposite, simple, toothed leaves (4-8 inches long) and big rounded mop-head or flat lacecap flower clusters in late spring and summer in white, pink, blue, or purple. Famously, flower color tracks soil chemistry — acidic soils push the blooms blue and alkaline soils turn them pink. It wants protection from hot afternoon sun and steady moisture, making it a mainstay of shaded foundation plantings and woodland borders.
Shrub
Part sun / Part shade
Consistent moisture
Zones 6a-11b
Climate: moderate
Focal point
Structure
Border
Container
Rhododendron catawbiense
Catawba rhododendron
A large, rounded, multi-stemmed broadleaf evergreen shrub of the southern Appalachians — typically 6-10 feet tall (rarely to 20) with glossy dark green leaves and showy compact terminal trusses of 15-20 funnel-shaped lavender-pink flowers in mid to late spring. Native from Virginia to Kentucky south to Georgia and Alabama, where it forms dense thickets on rocky high-elevation slopes and ridges. Prefers cool summers, acidic moist-but-well-drained soil, and part shade; all parts are highly toxic if ingested.
Shrub
Part sun / Part shade
Consistent moisture
Zones 4a-8b
Climate: moderate
Structure
Focal point
Border
Loropetalum chinense
Chinese Fringe Flower
Loropetalum chinense is an evergreen shrub native to woodlands and thickets across southern China, Japan, Taiwan, and adjacent parts of Southeast Asia, valued in gardens for its distinctive ribbon-like flowers and, in the popular purple-leaved forms, year-round burgundy foliage. It thrives in zones 7-9 as a bold structural shrub or hedging plant, blooming most heavily in late winter to early spring. The honest catch is its absolute dependence on acidic soil: even slightly alkaline pH triggers iron chlorosis, and in the Southeastern US a bacterial crown gall disease can cause rapid branch dieback and plant death, making site preparation and soil testing non-negotiable before planting.
Shrub
Full sun / Part sun / Part shade
Moderate water
Zones 7a-9b
Climate: narrow
Border
Focal point
Structure
Container
Buxus sempervirens
Common boxwood
The classic broadleaf-evergreen shrub of formal hedges, topiary, and clipped borders — small, glossy dark-green opposite leaves on a dense rounded frame that takes shearing better than almost any other shrub. Native to southern Europe, western Asia, and northern Africa, it carries inconspicuous greenish-cream spring flowers and holds its leaves year-round. All parts are toxic if eaten and the foliage can cause skin irritation, but that same chemistry makes it reliably rabbit- and deer-resistant.
Shrub
Full sun / Part sun / Part shade
Moderate water
Zones 5a-8b
Climate: moderate
Structure
Border
Focal point
Nandina domestica
Heavenly bamboo
Heavenly bamboo is an evergreen (semi-deciduous in cold winters) shrub native to eastern Asia from the Himalayan foothills to Japan, valued for striking year-round foliage that flushes pink-red in spring, turns green in summer, and blazes red-purple in autumn and winter, plus panicles of white summer flowers and persistent bright-red berries. It is adaptable, drought-tolerant once established, and undemanding in most soils from full sun to part shade. The honest catch is dual: all plant parts — especially the berries — contain cyanogenic compounds, and excessive consumption of the berries can be lethal to cedar waxwings and is toxic to cats and livestock, making it a poor choice wherever birds congregate to feed on winter fruit; and in the southeastern United States it is classified invasive (Florida Category I) and is best replaced with a non-invasive native alternative.
Shrub
Full sun / Part sun / Part shade
Moderate water
Zones 6a-10b
Climate: narrow
Focal point
Structure
Border
Container
Ilex crenata
Japanese Holly
Japanese holly is a dense, small-leaved evergreen shrub native to Japan, Korea, eastern China, and adjacent regions of eastern Asia, widely grown as a boxwood substitute for formal hedging and topiary. It tolerates heavy shearing well and thrives in acidic soils in a range spanning USDA zones 5b-8b. The honest catch is twofold: the glossy black berries are toxic to humans and pets (a genus-wide trait of Ilex), and the species is listed as invasive in parts of the eastern United States, where bird-dispersed seedlings colonise native woodland edges.
Shrub
Full sun / Part sun / Part shade
Moderate water
Zones 5b-8b
Climate: narrow
Structure
Border
Container
Focal point

Educator packet

Plant packet
Redbud hazel educator packet
Disanthus cercidifolius is a slow-growing deciduous shrub (Hamamelidaceae) native to woodland habitats in Japan and central/eastern China, grown almost exclusively for its spectacular autumn display of red, purple, orange, and yellow heart-shaped foliage and its curious paired, dark-purple, spider-like autumn flowers. It holds the RHS Award of Garden Merit and earns its place as a focal-point specimen in a sheltered woodland or acid-soil border. The honest catch is uncompromising soil chemistry: as a strict calcifuge it slowly declines and dies in limey soil above roughly pH 6.0, it is drought-intolerant and notoriously difficult to establish, and it is one of the slowest-growing ornamental shrubs in cultivation — a decade or more for a worthwhile specimen.
Scientific name
Disanthus cercidifolius
Plant type
shrub
Hardiness
5a-8b
Light
part-sun, part-shade
Moisture
consistent
Spacing
108 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). Redbud hazel (Disanthus cercidifolius). Retrieved 2026, June 30, from https://plotwright.com/plants/disanthus-cercidifolius
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 4.0
Backs 1 field
Image
GBIF
Botanical research database
Wikipedia (ecoregion articles)
Botanical research database