Content Detail

Silverbell is a medium-sized tree that produces white bell-shaped flowers in spring. The flowers are followed by dry fruits with four wings. This tree may be difficult to find in nurseries.

  • Family (English) Storax
  • Family (botanic) Styracaceae
  • Planting site Residential and parks
  • Tree or plant type Tree
  • Foliage Deciduous (seasonally loses leaves)
  • Native locale Illinois, North America
  • Size range Medium tree (25-40 feet)
  • Mature height 30-40 feet
  • Mature width 20-35 feet
  • Light exposure Full sun (6 hrs direct light daily), Partial sun / shade (4-6 hrs light daily), Full shade (4 hrs or less of light daily)
  • Hardiness zones Zone 4, Zone 5 (Northern Illinois), Zone 6 (City of Chicago), Zone 7, Zone 8, Zone 9
  • Soil preference Acid soil, Moist, well-drained soil
  • Other tolerances clay soil, Wet sites
  • Season of interest mid spring, late spring
  • Flower color and fragrance White
  • Shape or form Multi-stemmed, Round, Upright
  • Growth rate Moderate
  • Transplants well Yes
  • Planting considerations May be difficult to find in nurseries
  • Wildlife Insect pollinators, Small mammals
  • Has cultivars Yes

More Information

Native Geographic Location and Habitat 

Native to the southeastern United States.

Bark Description

Attractive, smooth, gray bark has creamy-white striping. Bark on twigs exfoliates slightly in fine silvery shreds.

Leaf Description

Simple, alternate leaves are 2 to 5 inches long with an elliptic shape. The margins are slightly serrate. Dark green summer color changes to an attractive yellow or yellow-green.

Flower Description

Pendulous, white, bell-shaped flowers are in clusters of up to five.

Fruit Description

Flowers are followed by a dry, four-winged brown fruit in the fall.

Care Knowledge

Plant Care

Grows in full sun to partial shade in moist, well-drained, acidic soil. Chlorosis may occur in high pH soils. Twigs can be killed in severe winters. Prune after flowering in the spring.

Pests, Diseases, and Tolerances 

Chlorosis may occur on high pH soils. Not tolerant of salt or compacted soils. Tolerant of black walnut toxicity.

Cultivars

Crushed Velvet™ Carolina silverbell (Halesia carolina ‘JFS-PN2Legacy’)  

This cultivar has smaller leaves with a wavy texture.  It is a more compact tree growing 20 feet high and 15 feet wide.

Pink-flowered Carolina silverbell (Halesia carolina ‘Rosea’)

Similar to the species, except it has pink flowers.

Rosy Ridge Carolina silverbell (Halesia carolina ‘Rosy Ridge’)

Pink flowers and slightly faster growth rate.

Uconn Wedding Bells Carolina silverbell (Halesia carolina ‘Uconn Wedding Bells’)

Larger flowers on a smaller tree (20 feet high).

Donate

Your support is vital to the Arboretum, where the power of trees makes a positive impact on people’s lives.

Make a gift