Dianthus barbatus albus (White Sweet William)
Alphabetical Plant Listing

Dianthus barbatus albus (White Sweet William)

Sweet William 'Albus', White Sweet William, Dianthus barbatus 'Albus'


Dianthus barbatus albus (White Sweet William) is an upright, bushy, biennial or short-lived perennial prized for its dense clusters of sweet-scented, fringed, pure white flowers from late spring to late summer. Attractive to bees, butterflies, hummingbirds and other pollinators, the blossoms are borne on stiff, erect stems above prostrate rosettes of wide, lance-shaped, dark green leaves. No cottage garden would be without this old favorite, but it has a place in every garden. Easy to grow, White Sweet William looks beautiful in the sunny border and makes attractive cut flowers.

  • Grows up to 20 in. tall (50 cm) and 6-12 in. wide (15-30 cm). Sweet William will reseed each year in optimum growing conditions and remain in the garden.
  • Performs best in full sun in organically rich, neutral to alkaline, well-drained soils. Appreciates some afternoon shade in hot summer climates.
  • Excellent choice for beds and borders, cottage gardens, edging or containers.
  • No serious pest or disease issues. Keep an eye out for aphids, slugs and caterpillars. Susceptible to crown rot and rust in poorly-drained soils. Deer resistant.
  • Deadhead to extend flowering and to maintain plant vigor.
  • Propagate by division, cuttings or by seed. Propagate by seed sown in late spring and plant out into flowering positions in the autumn. Divide in spring as new growth appears.
  • Dianthus barbatus species is native to southern Europe.
  • Toxic to dogs, toxic to cats, toxic to horses.

Not sure which Dianthus to pick?
Compare All Dianthus

Buy Dianthus barbatus albus (White Sweet William)

Requirements

Hardiness 3 – 9
Heat Zones 1 – 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A2, A3
Plant Type Perennials
Plant Family Dianthus
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Height 1' – 2' (30cm – 60cm)
Spread 6" – 1' (15cm – 30cm)
Spacing 12" (30cm)
Water Needs Average
Maintenance Average
Soil Type Chalk, Loam, Sand
Soil pH Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Fragrant, Showy
Tolerance Deer
Attracts Butterflies, Hummingbirds
Garden Uses Beds and Borders, Edging, Patio and Containers
Garden Styles Gravel and Rock Garden, Informal and Cottage

Buy Plants

Great Plant Combination Ideas with Dianthus

Guides with Dianthus


Jipen, Svetlana Mahovskaya, Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 3 – 9
Heat Zones 1 – 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A2, A3
Plant Type Perennials
Plant Family Dianthus
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Height 1' – 2' (30cm – 60cm)
Spread 6" – 1' (15cm – 30cm)
Spacing 12" (30cm)
Water Needs Average
Maintenance Average
Soil Type Chalk, Loam, Sand
Soil pH Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Fragrant, Showy
Tolerance Deer
Attracts Butterflies, Hummingbirds
Garden Uses Beds and Borders, Edging, Patio and Containers
Garden Styles Gravel and Rock Garden, Informal and Cottage

Great Plant Combination Ideas with Dianthus

Guides with Dianthus

Plant Calculator

How many Dianthus barbatus albus (White Sweet William) do I need for my garden?

%
ft
ft

Your Shopping List

Plant Quantity
Dianthus barbatus albus (White Sweet William)

Find your Hardiness Zone

Find your Climate Zone

Find your Heat Zone

Join Gardenia.net

Create a membership account to save your garden designs and to view them on any device.

Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas.

Join now and start creating your dream garden!

Create a New Collection

Optional. For your reference.


Move Selected Plants to a Different Collection


Delete Collection

This field is required.

Rename Collection

This field is required.