Perennial · Saxifragaceae family
coralbells
Heuchera sanguinea
In short a 10-second read
Coralbells (perennial) grows to 0.3–0.45 m tall and 0.25–0.45 m wide when mature. It grows best in full sun to part shade, in average soil. It flowers in May–July; the flowers are pink or red. Hardy to −37 °C.
× spread 0.25–0.45 m
Where to plant
Sun, soil, frost.
It grows best in full sun to part shade, in average soil. Hardy to −37 °C.
Sun
Tolerates several positions — choose to suit the rest of the garden.
Soil and water
average · watering: moderate
Soil: humus-rich, loamy, gravelly
Soil pH 5.5–7
Frost
It copes with a normal winter outdoors.
How much space it takes
Mature size.
The mature plant next to a person (175 cm).
Next to a person
Reaches maturity in about 2–5 years. The final size depends on the cultivar and the spot — we give the range from smallest to largest.
Calendar
What to do and when.
Months for Central Europe. The line shows the current month.
The year at a glance
Flowers
May–July · pink or red
Pruning
deadhead spent flowers (as needed)
Planting
container plant: March–May, September–November
Winter protection
not needed
Overwintering
It copes with winter on its own.
It overwinters outdoors without protection, hardy to −37 °C.
- Needs no protection
- Hardy to −37 °C
- Dies back in winter and regrows in spring
What to combine it with
Same needs, different flowering.
They share the same sun and soil and flower in other months — so the bed flowers for longer.
showy stonecrop
0.3–0.5 m
netted iris
0.1–0.15 m
Petunia x atkinsiana
0.15–0.45 mReady-made Studio combinations that include coralbells
Astilbes, masterwort and blue brunnera brighten part shade from April…
Frequently asked
Quick answers.
When does coralbells flower?
In May–July; the flowers are pink or red.
Does coralbells tolerate shade?
It tolerates part shade (3–6 hours of sun), but not full shade.
How much space does coralbells need?
At maturity 0.25–0.45 m wide and 0.3–0.45 m tall; recommended spacing 33 cm.
Does coralbells survive winter outdoors?
Yes, without protection, hardy to −37 °C.
Where the data comes from
We compared the data in 18 expert sources. Last checked 14 October 2026.
Show sources (18)
- NC State Extension Gardener Plant Toolbox — Heuchera sanguinea
- Missouri Botanical Garden Plant Finder — Heuchera sanguinea
- GBIF Backbone Taxonomy — Heuchera sanguinea
- GBIF Occurrence Search API — Heuchera sanguinea
- Wikidata (CC0) — Heuchera sanguinea
- Bamberger Staudengarten (Strobler), katalóg
- Foerster-Stauden, katalóg
- Royal Horticultural Society (RHS) Plant Finder
- Iowa State Extension - How to Plant Perennials
- RHS - How to grow perennial plants
- Perennials.com
- Perennials.com
- Invasive plant lists — this species is not on them: EU, Slovakia, Czechia, Germany, Poland, Denmark
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