Blue Whale Trees
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Carolina Silverbell

Halesia tetraptera

Also called mountain silverbell, snowdrop tree.

Rows of white bell flowers hang beneath the branches in April on this graceful Appalachian understory tree.

Showy flowersFall colorRare
Type
Medium tree
Mature height
30–40 ft
USDA zones
4–8
Growth rate
Medium
Sun
Part · Full
Soil moisture
Average
Hardiness zones
210

Silverbell grows along mountain streams in the southern Appalachians and is hardy far north of there. It wants moist, acid, well-drained soil and light shade, where it becomes a multi-stemmed small tree with yellow fall color and four-winged fruit. Rarely available because the seed needs two winters to germinate; ours are past that.

Heights and zones are typical ranges for the species in cultivation; local conditions and seed source shift them. Estimate growth for this species →

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