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Japanese Dianthus
Dianthus japonicus

Family: Caryophyllaceae (kar-ree-oh-fil-AY-see-ee) (Info)
Genus: Dianthus (dy-AN-thus) (Info)
Species: japonicus (juh-PON-ih-kus) (Info)

Category:

Alpines and Rock Gardens

Biennials

Height:

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Spacing:

9-12 in. (22-30 cm)

12-15 in. (30-38 cm)

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)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Light Shade

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Pale Pink

Pink

White/Near White

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Foliage:

Evergreen

Shiny/Glossy-Textured

Other details:

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Non-patented

Propagation Methods:

Unknown - Tell us

Seed Collecting:

Unknown - Tell us

Regional

This plant has been said to grow in the following regions:

Taylorsville, Kentucky

Bridgewater, Massachusetts

Enid, Oklahoma

Mount Hood Parkdale, Oregon

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Feb 13, 2015, coriaceous from ROSLINDALE, MA wrote:

Biennial to short-lived perennial, reaches 18" tall, hardy to Z5. Glossy spatulate foliage unlike any other dianthus, turns purple in winter. Very long blooming, self-sows.