Buttonbush, Honey Bells, Honeyball, Button Willow 'Sugar Shack'

Cephalanthusoccidentalis

Genus
Cephalanthus (sef-uh-LAN-thus)
Species
occidentalis (ok-sih-den-TAY-liss)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Deciduous
Smooth
Height
36-48 in. (90-120 cm)
Spacing
36-48 in. (90-120 cm)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Danger
Parts of plant are poisonous if ingested
Bloom Color
White/Near White
Bloom Time
Mid Summer
Other Details
Category
Shrubs
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From softwood cuttings
From semi-hardwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Rochester, New York

Charlotte, North Carolina

Boring, Oregon

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Gardener's Notes:

1
positive
0
neutral
1
negative
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O
(Zone 6b) | December 2022 | negative

So this cultivar does tolerate wetter soil. That’s about all I can say positive about it. It’s a dull plant for me. Flat, unmemorable...Read More

R
Boring, OR | August 2020 | positive

Planted this cultivar four years ago in fall in soil that gets seasonal winter wet in a mostly sunny location where many other things did...Read More

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