Dianthus, Sweet William 'Sooty'

Dianthusbarbatus

Family
Caryophyllaceae (kar-ree-oh-fil-AY-see-ee)
Genus
Dianthus (dy-AN-thus)
Species
barbatus (bar-BAY-tus)
Synonym
Dianthus nigrescens
Sun Exposure
Full Sun
Foliage
Evergreen
Smooth
Height
12-18 in. (30-45 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
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)
Bloom Color
Scarlet (dark red)
Dark Purple/Black
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Biennials
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Dark/Black
Orange/Apricot
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
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)
7.9 to 8.5 (alkaline)
Patent Information
Propagation Methods
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 seedheads to dry on plants; remove and collect seeds
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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

Seward, Alaska

Clayton, California

Fairfield, California

Modesto, California

Redwood City, California

Richmond, California

Mackinaw, Illinois

Minneapolis, Minnesota

Elizabeth City, North Carolina

Cheraw, South Carolina

Kalama, Washington

Olympia, Washington

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Gardener's Notes:

1
positive
1
neutral
0
negative
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A
(Zone 6b) | January 2016 | positive

I love Dianthus "Sooty", because here in my garden in Innsbruck Austria it is not a biennal plant, its perennial, and stays for three, fo...Read More

L
| June 2005 | neutral

I like Sweet William, but this is not one of my favorites. It looks better in the catalogue than it does in the garden, not being brightl...Read More

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