Cape honeysuckle
Tecomaria capensis
Cape honeysuckle (Tecomaria capensis, Bignoniaceae) is a vigorous, evergreen scrambling shrub from southern and south-central Africa, valued for tubular orange-to-apricot flowers borne erratically across much of the year. It reaches about 2-3 m tall and wide as a free-standing shrub, or can be trained much taller on a trellis or wall, and is widely used for informal hedging and as a hot-color border or container plant. It is frost-tender (RHS H1C; roughly USDA 9b-11) — in cooler climates it is grown under glass or as a summer container plant and overwintered indoors. In frost-free, mild climates it can become weedy: it has naturalised and is treated as invasive in parts of Australia and on islands such as the Azores, so site it where suckering and self-layering can be managed. It is not a recognised edible and is not flagged as notably toxic, though several plant parts feature in traditional southern-African medicine; treat it as ornamental rather than for consumption. Note the accepted binomial here is Tecomaria capensis (POWO/GBIF); the widely-seen Tecoma capensis is a synonym.
Climate fit: narrow (17/100)
Border
Focal point
Pollinator
Structure
Container
Light
Full sun / Part sun
Water
Moderate water
Mature size
72-120" tall · 48" apart
Hardy in zones
9b-11
frosty to nearly frost-free winters
Native in Illinois
No
In its native southern-African range the long tubular flowers are mainly pollinated by nectar-feeding sunbirds, with honeybees and butterflies also visiting; in cultivation elsewhere it is grown chiefly as an ornamental nectar plant rather than for fruit/seed set.
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
Won't grow here
Zone 7a
Plotwright
0°F to 5°F
Won't grow here
In plain terms: This location has cold winters. Its winters are projected to keep warming through 2050.
✕
Out of range today and still out of range 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...
Where this plant fits
Suitable across 25 ecoregions — 18 climate-resilient through 2070 · 7 newly possible by 2070. Best matches first.
Plant this, not that
Better fit for this place
For Chicago, IL, these are replacement suggestions: similar plants with a stronger hardiness fit now and/or in 2050.
Hydrangea serrata
Mountain hydrangea
Mountain hydrangea is a compact, deciduous flowering shrub native to the mountainous regions of Japan and Korea, where it grows in cool, moist, partly shaded conditions — and that cool mountain origin is the honest catch. Hardy through USDA Zone 6 when dormant, the plant breaks dormancy early and its new spring growth is reliably vulnerable to late frosts; a single late freeze in April can destroy an entire season's bloom on wood that would otherwise flower in midsummer. It is smaller and more refined than bigleaf hydrangea, with serrated leaves and distinctive lacecap flowerheads in blue or pink depending on soil pH, making it a graceful focal point for partly shaded borders where consistent moisture can be maintained.
Better fit now and in 2050
Now: well-suited
2050: well-suited
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.
Better fit now and in 2050
Now: well-suited
2050: well-suited
Spiraea thunbergii
Thunberg Spirea
Thunberg spirea is a fine-textured, arching deciduous shrub native to East China and Japan, among the earliest spireas to flower — its slender stems are smothered in clusters of small white flowers in late winter to early spring, often before the narrow willow-like leaves fully emerge. In a sunny, well-drained border it is tough, fast to establish, and carries RHS Award of Garden Merit status. The honest catch is allelopathy: the roots and litter release cis-cinnamoyl glucosides and cis-cinnamic acid, compounds that measurably suppress germination and growth of nearby plants — avoid planting into a densely seeded wildflower mix or close-spacing with shallow-rooted perennials.
Better fit now and in 2050
Now: well-suited
2050: well-suited
Viburnum plicatum
Doublefile viburnum
Doublefile viburnum is a deciduous shrub native to China, Korea, Japan, and Taiwan, grown for its spectacular tiered, horizontal branching draped in flat lacecap flower heads in late spring. It earns its place as a four-season focal point — white flowers in May, blue-black drupes in late summer, and often vivid red-purple autumn colour — but the honest catch is its sheer footprint: mature plants can spread 4–5 m wide with rigidly horizontal branches that resent hard pruning, and the fruit is not edible.
Better fit now and in 2050
Now: well-suited
2050: well-suited
Similar plants
Browse lateral options with similar roles, light needs, size, or native-range overlap; these are not filtered for a better climate fit.
Tecoma capensis
Cape honeysuckle
Cape honeysuckle (Tecoma capensis, syn. Tecomaria capensis; Bignoniaceae) is a vigorous, evergreen scrambling shrub native to southern and south-central Africa — from the Cape Provinces north through KwaZulu-Natal, Mozambique, Malawi, Tanzania, DR Congo, and Angola — valued for long, slender orange-to-apricot tubular flowers borne erratically across much of the year and attractive to nectar-feeding sunbirds. It reaches 2–3 m tall and wide as a free-standing mound, or considerably taller trained on a wall or trellis, and has received the RHS Award of Garden Merit. The honest catch is its frost-tenderness (barely survives to about 5°C; RHS H1C, roughly USDA 9b–11) combined with an invasive streak in mild climates: it suckers freely, self-layers, and has naturalised on the Azores and across coastal eastern Australia, so it must only be sited where its spread can be actively managed.
Camellia sasanqua
Sasanqua camellia
Sasanqua camellia is an evergreen shrub native to the forests of southern Japan — Kyushu, Shikoku, and the Ryukyu Islands — where it grows on forest margins and hillsides. In gardens it is prized as the earliest-flowering camellia, bearing fragrant blooms from September through January when almost nothing else is in flower, and it tolerates more sun and drought than its cousin Camellia japonica. The honest catch is cold hardiness: open flowers are blackened by hard frost, and the plant itself is reliably hardy only from zone 7a south, making it unsuitable for much of the northeastern and midwestern United States without meaningful shelter.
Coronilla valentina
Shrubby scorpion vetch
Coronilla valentina is a compact, evergreen Mediterranean shrub in the legume family (Fabaceae), with a native range spanning the Mediterranean Basin from Portugal and Spain through Italy, the NW Balkans and Greece to the Aegean and Turkey, and south across northwest Africa to Libya. In a warm, sheltered garden spot it rewards with prolific, intensely honey-scented yellow flowers from late winter into summer and handsome glaucous foliage year-round. The honest catch is cold-hardiness: RHS rates it H4 (hardy to about -10 °C), so it is borderline at the cold edge of USDA zone 7 and is liable to be cut to the ground or killed outright in a hard freeze, demanding a sheltered south- or west-facing wall in colder gardens — and the whole plant is toxic to humans and livestock.
Hydrangea serrata
Mountain hydrangea
Mountain hydrangea is a compact, deciduous flowering shrub native to the mountainous regions of Japan and Korea, where it grows in cool, moist, partly shaded conditions — and that cool mountain origin is the honest catch. Hardy through USDA Zone 6 when dormant, the plant breaks dormancy early and its new spring growth is reliably vulnerable to late frosts; a single late freeze in April can destroy an entire season's bloom on wood that would otherwise flower in midsummer. It is smaller and more refined than bigleaf hydrangea, with serrated leaves and distinctive lacecap flowerheads in blue or pink depending on soil pH, making it a graceful focal point for partly shaded borders where consistent moisture can be maintained.
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.
Viburnum plicatum
Doublefile viburnum
Doublefile viburnum is a deciduous shrub native to China, Korea, Japan, and Taiwan, grown for its spectacular tiered, horizontal branching draped in flat lacecap flower heads in late spring. It earns its place as a four-season focal point — white flowers in May, blue-black drupes in late summer, and often vivid red-purple autumn colour — but the honest catch is its sheer footprint: mature plants can spread 4–5 m wide with rigidly horizontal branches that resent hard pruning, and the fruit is not edible.
Appears in collections
Collection · 6 plants
Warm flowering screen
A colorful warm-climate screen and hedge palette for frost-light gardens: flowering shrubs, scrambling color, wildlife nectar, and dry-season structure.
Educator packet
Plant packet
Cape honeysuckle educator packet
Cape honeysuckle (Tecomaria capensis, Bignoniaceae) is a vigorous, evergreen scrambling shrub from southern and south-central Africa, valued for tubular orange-to-apricot flowers borne erratically across much of the year. It reaches about 2-3 m tall and wide as a free-standing shrub, or can be trained much taller on a trellis or wall, and is widely used for informal hedging and as a hot-color border or container plant. It is frost-tender (RHS H1C; roughly USDA 9b-11) — in cooler climates it is grown under glass or as a summer container plant and overwintered indoors. In frost-free, mild climates it can become weedy: it has naturalised and is treated as invasive in parts of Australia and on islands such as the Azores, so site it where suckering and self-layering can be managed. It is not a recognised edible and is not flagged as notably toxic, though several plant parts feature in traditional southern-African medicine; treat it as ornamental rather than for consumption. Note the accepted binomial here is Tecomaria capensis (POWO/GBIF); the widely-seen Tecoma capensis is a synonym.
Scientific name
Tecomaria capensis
Plant type
shrub
Hardiness
9b-11
Light
full-sun, part-sun
Moisture
moderate
Spacing
48 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). Cape honeysuckle (Tecomaria capensis). Retrieved 2026, June 30, from https://plotwright.com/plants/tecomaria-capensis
Sources for every fact
Every fact on this page traces to a source. 18 fields cited - 18 source-backed.
Wikipedia (ecoregion articles)
Botanical research database
Backs 17 fields
Identity
Summary
Plant type
Light
Moisture
Hardiness
Heat zone
Size
Spacing
Habit
Design roles
Seasonal interest
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Designer notes