Chinese Plumbago

Ceratostigmawillmottianum

Family
Plumbaginaceae (plum-baj-i-NAY-see-ee)
Genus
Ceratostigma (ser-uh-toh-STIG-muh)
Species
willmottianum (wil-mot-ee-AH-num)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Herbaceous
This plant is resistant to deer
Smooth
Height
24-36 in. (60-90 cm)
Spacing
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Hardiness
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)
Bloom Color
Dark Blue
Bloom Time
Late Summer/Early Fall
Mid Fall
Other Details
Category
Shrubs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
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
Propagation Methods
From softwood cuttings
From semi-hardwood cuttings
By simple layering
Seed Collecting
Regional

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

Santa Rosa, California

East Haddam, Connecticut

Bushnell, Florida

Port Saint Lucie, Florida

Dayton, Ohio

Enid, Oklahoma

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Gardener's Notes:

2
positives
1
neutral
0
negative
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D
East Haddam, CT | July 2011 | positive

A fantastic plant which is borderline hardy here. Needs a 1-2 ft. mulch of hay or shredded leaves from Nov.1st- April 1st to survive. D...Read More

P
(Zone 8a) | November 2009 | positive

A perennial plant for me, with wonderfully blue flowers that remind me of forger-me-nots. This is a very showy plant in autumn when nothi...Read More

T
T
Murfreesboro, TN (Zone 7a) | August 2001 | neutral

Produces deep gentian blue flowers with white eyes from late summer to fall, while the blue-green leaves turn vivid crimson, creating a s...Read More

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