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Seven-son flower

Heptacodium miconioides

Seven-son flower (Heptacodium miconioides) is a small tree. Light: full sun, part shade. Hardy down to -29 °C. Drought tolerance: medium.

Illustration of Seven-son flower
An illustration of the typical shape of the mature plant, not a photo.

What it's good for, and what it isn't

A large, multi-stemmed shrub or small tree from China that blooms when little else does: fragrant creamy-white flower clusters cover it in late summer and early autumn, the persistent calyces then turn rosy red for weeks, and in winter its light brown bark peeling in strips takes over. It looks best as a specimen in a lawn or at the back of a large shrub border, and its late flowers are a valuable food source for bees and butterflies. Plant it in sun or part shade in well-drained soil, allow for an eventual height of 4 to 6 metres, and water it in dry spells while it is young.

Watch out for
No serious pests or diseases are known. While young it needs watering in the droughty summers of Central Europe, because a stressed plant wilts and flowers less.

Key facts

Light
Full sun, Part shade
Water need
Medium
Care
Low
Size after 10 years
4 m × 3 m
Hardiness
down to -29 °C
Foliage
Deciduous
Flowering
August–October, white
Group Small tree
Light Full sun, Part shade
Size after 10 years 4 m × 3 m
Ultimate size 3–8 m × 2.4–6 m
Hardiness down to -29 °C (USDA 4, RHS H7)
Soil Average garden soil, Clay, Sandy, Calcareous, Acidic
Foliage Deciduous
Flowering August–October, white
Water need Medium
Drought tolerance Medium
Maintenance Low
Root aggressiveness Low
Suckering no
Spreading Low
Distance from buildings at least 4 m
Distance from paving at least 1.5 m
Litter not typical
Planting distance 300 cm
For dogs no data
For cats no data
For children no data
Typical price no data

Toxicity data is for information only. If your pet or child has eaten a plant, contact a vet or a doctor.

Frequently asked questions

Data updated: October 19, 2026 · How our data is made

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