Propagation of many species is from cuttings of 1 to 3 inches in length. They should be taken during early summer after flowering is finished. Strip off the lower leaves before sticking in moist but not wet sand. Make sure that air circulation is good to discourage fungus. They should root sometime between 7 and 10 days.
There are a few Dianthus that I have not included here but do hold great horticultural potential in cold climates..these may be found on this excellent external link.
http://www.efloras.org/florataxon.aspx?flora_id=120&taxon_id=109796
Dianthus allwoodii ( Allwood's Pink )
A perennial, reaching up to 1.5 feet in height, that is the hybrid or hybrids between Dianthus caryophyllus & D. plumarius.
The flowers, up to 2 inches across, are borne during late spring.
Propagation is from cuttings taken during mid-summer.
Dianthus alpinus ( Alpine Pink )
A perennial, reaching up to 8 x 16 inches with glossy deep green, grassy foliage, that is native to the European Alps.
The narrow leaves are deep green.
The deep reddish-pink ( with white eye ) flowers, up to 1.5 inches wide, are borne late spring into early summer. The non-fragrant, fringed flowers last for a season exceeding a month.
Requires full sun on very well drained, somewhat alkaline soil.
Hardy zones 3 to 7, it prefers cooler summers than those found over much of the eastern U.S.
'Joan's Blood'
Narrow, lance shape foliage forms a tiny tuft. The semi-double, deep red ( with darker eye ) flowers are borne in June and July.
Dianthus amurensis ( Amur Pink )
A perennial, reaching up to 1 foot in height, with large, pink flowers, up to 2 inches across, borne over a long period during late summer.
Hardy zones 3 to 8
Dianthus arenarius 'Snow Flurry'
Reaching up to 18 x 20 inches, it forms a dense mound of grassy green foliage topped with fragrant, fringed white flowers, up to 1 inch across, in June and July.
hardy zones 4 to 7
Dianthus barbatus
A biennial or perennial, reaching up to 2 feet in height.
The lance-shaped leaves are up to 4 x 0.7 inches in size.
* photos taken on May 12 2015 in Columbia, MD
* historic archive photos
'Rockin Pink Magic'
Compact and upright in habit, reaching up to 2 x 1.5 feet in size.
The abundant bright to mid pink, fringed flowers appear from spring well into autumn if deadheaded.
Hardy zones 5 to 8
* photo taken on June 19 2020 in Elkridge, MD
'Rockin Purple'
Compact and upright in habit, reaching up to 2 x 1.5 feet in size.
The abundant, purplish-pink, fringed flowers appear from spring well into autumn if deadheaded.
Hardy zones 5 to 8
'Rockin Red'
Compact and upright in habit, reaching up to 2 x 1.5 feet in size.
The abundant intense red, fringed flowers appear from spring well into autumn if deadheaded.
Hardy zones 5 to 8
* photos taken on May 29 2020 in Elkridge, MD
'Sooty'
Miderate growing,compact and upright in habit, reaching up to 1.5 x 1 feet in size. It is often a perennial if cut back hard immediately after blooming.
The lance-shaped leaves are deep bronze-green.
The flowers are deep reddish-black. They appear from late spring to mid-summer.
* photos taken on May 27 2017 @ Meadowlark Botanical Gardens, Vienna, VA
Dianthus carthusianorum ( Clusterhead Pink )
A perennial, reaching up to 3 feet in height, with grassy foliage and small, purplish-pink flowers borne in clusters.
Hardy zones 3 to 8
Dianthus deltoides ( Maiden Pink )
A low, spreading, evergreen, mat-forming perennial, reaching a maximum size of 10 inches x 2 feet, that is native to Europe and western Asia.
The narrow foliage is deep blue-green.
The single flowers, up to 0.5 inches wide, are borne during late spring.
Hardy zones 2 to 8.
'Albus'
Up to 18 inches forming a flat mat topped with white flowers in spring.
The foliage is green.
'Brilliant'
Bright red flowers and luxuriant green foliage.
'Flashing Light'
Bronze foliage and ruby-red flowers.
'Maiden Pink'
Up to 15 inches forming a flat mat topped with clean pink flowers in spring.
'Nelli'
Up to 15 inches forming a dark foliaged flat mat topped with dark red flowers with a darker red circle in spring.
'Zing Rose'
Upright in habit with luxuriant green foliage and deep rosy-red flowers.
A repeat bloomer.
Dianthus freynii
Tough and long lived, forming domes of gray foliage to 4 x 12 inches that are rock hard. Flowers are large and pink, borne in late spring. Excellent rock garden plant.
Dianthus gratianopolitanus ( Cheddar Pink )
A long-lived, low, mat-forming perennial, reaching up to 1 x 3 feet, with grassy, gray-green foliage and sweetly fragrant flowers. It is native to western and central Europe.
Great for edging and trailing over rock walls.
Hardy zones 2 to 8 in full sun on light, well drained soil. Drought tolerant. This plant is not eaten by deer. Deadhead immediately after blooming to keep plants healthy. Propagation is from stem tip cuttings or seed.
'Baths Pink'
Forms a vigorous, spreading mound up to 1 x 4 feet with steel-blue foliage.
It is covered in clove scented, fragrant, fringed, single, soft pink flowers, up to 1 inch wide, during May and June.
Very heat and humidity tolerant
* photo taken on May 1 2010 in Columbia, MD
* photo taken on Oct 21 2014 @ Smithsonian Inst., Washington, DC
* photo taken on Oct 21 2014 @ U.S. Botanical Gardens, Washington, DC
* photo taken on Apr 26 2016 in Columbia, MD
* photo taken on May 4 2016 in Columbia, MD
'Bewitched'
Very similar to 'Firewitch; and is also heat and humidity tolerant, reaching up to 8 inches x 2 feet. It is fast growing and has attractive powder blue foliage topped with fragrant 1 inch light pink fringed flowers with a red ring around a white center.
'Firewitch'
Reaches up to 7 x 50 inches ( 12 inches tall in bloom ) with attractive bright blue-gray foliage making for an excellent groundcover. It flowers heavy in early spring and again in fall with single, intense magenta color flowers. Attracts butterflies.
Very tolerant of heat and humidity making it an excellent choice in the Mid Atlantic. Hardy north to zone 3
* photos taken on May 6 2010 @ Brookside Gardens, Wheaton, MD
* photos taken on May 3 2012 in Columbia, MD
* photo taken on May 21 2020 in Columbia, MD
'Pixie'
Vigorous growing and very hardy, reaching up to 1 x 3 feet. Foliage is blue and the flowers are pink splashed in pink-red accents and are borne abundantly in May and June then sporadically into fall.
Hardy zones 3 to 8
'Tiny Rubies'
Forms short tufted, blue-green mounds reaching up to 1 x 2 feet with abundant, very fragrant, deep rich rose pink flowers in May and June.
Hardy north to zone 2.
* photo taken on June 4 2016 in Columbia, MD
Dianthus hispanicus
Reaching up to 1 x 3 feet with blue-green foliage and white-pink flowers in May and June. Hardy zones 6 to 9
HYBRIDS
Most hardy zones 3 to 8
* photos taken on April 28 2010 in Columbia, MD
* photo taken on May 16 2011 in Washington, D.C.
'Aqua'
Forms a mound to 1 x 1.5 feet with blue foliage. The flowers are double white and fragrant, borne in late spring and summer.
* photo taken on May 7 2012 in Columbia, MD
'Arctic Star'
Reaching up to 1 x 3 feet forming a mound of gray-green foliage.
The double, pure white flowers are slightly fragrant and are borne from July into September if finished blooms are removed.
* photo taken on May 1 2010 in Columbia, MD
'Blue Hills'
Forms a neat mound up to 2 feet across of silvery-blue foliage. The double, dark pink flowers are borne atop 6 inch stems. Hardy north to zone 2.
'Bourbon'
Forms a dense mound of silvery blue flowers covered in small deep pink flowers atop short stems in April and May.
Needs very well drained, somewhat alkaline soil in full sun.
'Candy Dish'
Compact and "bun shaped" with blue-gray foliage. The very frilly flowers are double, large and pink streaked red and borne on stems up to 12 inches in height.
'Crimson Treasure'
Reaching up to 8 x 12 inches with crimson double flowers that are gold flecked borne from April to June.
'Devon Esther'
* photo taken on May 21 2020 in Columbia, MD
'Doris'
Vigorous to 1.5 feet in height with gray foliage. The flowers are up to 2 inches in width and are pink with a red eye. It can bloom from June to September.
'Dottie'
Forms a compact green clump to 4 x 24 inches. The fringed flowers are single and white with a crimson eye.
'Eastern Star'
to 1 x 2 feet, with blue-green foliage and very profuse, highly fragrant, scarlet-red flowers during early summer. Heat and humidity tolerant with foliage that remains attractive all season long.
* photos taken on May 15 2011 in Columbia, MD
* photo taken on Oct 10 2015 in Columbia, MD
'Essex Witch'
Forms a compact tuft up to 1 x 2 feet with semi double, fringed pink flowers.
'Everlast Burgundy Blush'
Moderate growing and compact in habit, reaching up to 1 x 1.2 feet in size. It is a complex hybrid that includes Dianthus × allwoodii.
The lance-shaped leaves are up to 2.3 x 0.2 inches in size. The narrow foliage is blue-green.
The fragrant, frilly, double, intense deep red ( edged in pink ), are up to 1.8 inches wide. The flowers appear during spring, then repeating during summer if deadheaded, then a third time during autumn. It typically flowers during the first summer, making it valuable as a bedding plant.
Hardy zones 5 to 9 ( reports of 4 on protected sites ). It is unfortunately prone to alternaria leaf blight which can be fatal.
* photo taken on Sep 26 2013 in Baltimore Co., MD
* photos taken on May 3 2014 in Baltimore Co., MD
'Everlast Lavender Eye'
Moderate growing and compact in habit, reaching up to 1 x 1.2 feet in size. It is a complex hybrid that includes Dianthus × allwoodii.
The lance-shaped leaves are up to 2 x 0.2 inches in size. The narrow foliage is blue-green.
The fragrant, frilly, double, intense bright pink flowers, up to 1.8 inches wide, have a red eye. The flowers appear during spring, then repeating during summer if deadheaded, then a third time during autumn. It typically flowers during the first summer, making it valuable as a bedding plant.
Hardy zones 5 to 9 ( reports of 4 on protected sites ). It is unfortunately prone to alternaria leaf blight which can be fatal.
* photo taken on Sep 26 2013 in Baltimore Co., MD
* photos taken on May 3 2014 in Baltimore Co., MD
'Everlast Lilac Eye'
Moderate growing and compact in habit, reaching up to 1 x 1.2 feet in size. It is a complex hybrid that includes Dianthus × allwoodii.
The lance-shaped leaves are up to 2 x 0.2 inches in size. The narrow foliage is blue-green.
The fragrant, frilly, double, lilac-pink flowers, up to 1.8 inches wide, have a deep red eye. The flowers appear during spring, then repeating during summer if deadheaded, then a third time during autumn. It typically flowers during the first summer, making it valuable as a bedding plant.
Hardy zones 5 to 9 ( reports of 4 on protected sites ). It is unfortunately prone to alternaria leaf blight which can be fatal.
* photo taken on Sep 26 2013 in Baltimore Co., MD
* photos taken on May 3 2014 in Baltimore Co., MD
'Everlast Orchid'
Moderate growing and compact in habit, reaching up to 1 x 1.3 feet in size. It is a complex hybrid that includes Dianthus × allwoodii.
The lance-shaped leaves are up to 2 x 0.2 inches in size. The narrow foliage is blue-green.
The fragrant, frilly, semi-double, intense bright to mid pink flowers, are up to 1.8 inches wide. The flowers appear during spring, then repeating during summer if deadheaded, then a third time during autumn. It typically flowers during the first summer, making it valuable as a bedding plant.
Hardy zones 5 to 9 ( reports of 4 on protected sites ). It is unfortunately prone to alternaria leaf blight which can be fatal.
* photo taken on Sep 26 2013 in Baltimore Co., MD
* photo taken on May 3 2014 in Baltimore Co., MD
'Everlast White Eye'
Moderate growing and ompact in habit, reaching up to 1 x 1.2 feet in size. It is a complex hybrid that includes Dianthus × allwoodii.
The lance-shaped leaves are up to 2 x 0.2 inches in size. The narrow foliage is blue-green.
The abundant, fragrant, frilly, semi-double, pure white flowers, up to 1.8 inches wide, have a lilac eye. The flowers appear during spring, then repeating during summer if deadheaded, then a third time during autumn. It typically flowers during the first summer, making it valuable as a bedding plant.
Hardy zones 5 to 9 ( reports of 4 on protected sites ). It is unfortunately prone to alternaria leaf blight which can be fatal.
* photo taken on Sep 26 2013 in Baltimore Co., MD
* photos taken on May 3 2014 in Baltimore Co., MD
'Fire Star'
Forms a moderate growing, compact clump, up to 7 x 7 inches.
The evergreen foliage is gray-green. The leaves are up to 2 x 0.2 inches in size.
The intense scarlet-red flowers, up to 1.2 inches wide, appear late spring to early autumn.
Hardy zones 5 to 8
* photo taken on Apr 4 2011 in Columbia, MD
'First Love'
Forms a clump to 24 x 20 inches with silvery blue, evergreen foliage.
The intensely fragrant flowers are white changing to pink then to lavender-rose with age. With shearing or deadheading finished blooms this cultivar can bloom from spring to fall frost.
'Frosty Fire'
Reaches up to 8 inches x 3 feet with blue-gray foliage and persistant red, double, fringed, fragrant flowers. Flowers heavily during early summer then sporadically the rest of summer. Excellent for the front of a border but needs good drainage. Grows very well in the hot humid Mid Atlantic.
* photo taken on May 7 2012 in Columbia, MD
* photo taken on Sep 15 2013 in Howard Co., MD
* photo taken on Nov 5 2023 in Columbia, MD
'Graystone'
Fast growing and forms a spreading mound up to 8 inches x 4 feet with steel gray foliage and covered in fragrant, fringed white flowers. Endures spring rains well. Hardy zones 3 to 9
'Helen'
Vigorous, reaching up to 1.5 x 1.5 feet in size.
Very fragrant, double, salmon-pink flowers up to 2 inches across.
Hardy north to zone 3.
'Her Majesty'
Very dense and compact to 10 inches in height ( 15 inches while in bloom ).
The double flowers are fragrant and white.
'Hoffman's Red'
Forms a clump up to 1 x 1 foot with green foliage.
The intensely scarlet-red flowers are borne all summer long.
'Horatio'
1 x 2 feet. Large, fragrant flowers that are pink with maroon markings.
'Ian'
The double flowers are red, blooming over a long period on 1.5 foot stems.
'Inchmery'
15 x 12 inches. Bluish foliage and very fragrant, pink flowers in spring.
'Itsaul White'
Compact and dense, to 1.5 x 3 feet. Silvery foliage complimented with frilly, pure white flowers in late spring and early summer. The flowers are strongly vanilla scented.
'Kahori'
Vigorous yet compact in habit, reaching up to 8 inches x 1.4 feet, with silvery-green foliage and abundant, intense pink flowers borne all summer long.
Hardy zones 4 to 9, good heat and humidity tolerance.
* photo taken on Apr 6 2013 in Columbia, MD
* photos taken on May 8 2017 in Columbia, MD
'Laced Hero'
1 x 1.5 feet. Bluish foliage. Double white flowers with rosy edges and purple centers in May and June.
'Laced Romeo'
20 x 18 inches. Very fragrant, deep red flowers with creamy white fringes.
'Little Bobby'
Compact, reaching up to 1 x 3 feet in size.
Bluish-gray foliage.
Raspberry red flowers with a deeper color eye.
'Little Boy Blue'
Forms a long-lived, intensely silvery-blue mat to 1 x 2.5 feet.
The single white flowers with pink centers are borne during late spring.
'Little Jock'
Dwarf, compact mat to 6 x 18 inches with grassy gray foliage. Pink, semi double flowers with a red eye in summer. Hardy north to zone 2
'Margaret Curtis'
1.5 feet. Pink flowers with a burgundy red eye.
'Mountain Mist'
Forms a moderate growing, vigorous, tight tussock to 2 inches x 3 feet with sedge like, attractive silver-blue foliage. The foliage is attractive all season long.
The smoky-pink flowers are borne on stems up to 20 inches during late spring into early summer, often repeating during early autumn.
Hardy north to zone 2 and is also tolerant of hot humid summers.
'Mrs Holt'
A dwarf forming a tight mound only 6 inches in height. Foliage is coarse and blue-gray. The flowers are single and pink. Excellent for a rock garden.
'New Pixie Star'
Reaches up to 4 x 22 inches
'Neon Star'
Forms a compact, spreading mound of gray foliage and reaches up to 1 x 3 feet.
The fragrant flowers are very intense, deep pink and last from spring through fall if the spent flowers are removed.
Hardy zones 5 to 9
* photos taken on May 20 2016 in Columbia, MD
* photo taken on Aug 24 2023 in Columbia, MD
* photo taken on May 11 2021 in Columbia, MD
'Old Spice'
Up to 1.5 feet in height while in bloom. Fragrant, fringed, double salmon-pink flowers.
'Peppermint Star'
Reaches up to 6 x 24 inches
'Pike's Pink'
Up to 10 x 18 inches. Blue-gray narrow foliage.
Flowers are fragrant and bright pink.
'Pristine'
Tight and dense growing. Steel blue foliage. Flowers are pure white with a purple calyx.
'Raspberry Surprise'
Reaches up to 10 inches x 1 foot with very profuse, highly fragrant flowers, up to 2 inches across. The foliage is silvery-green.
* photo taken on May 15 2011 in Columbia, MD
* photo taken on May 3 2014 in Baltimore Co., MD
'Robespierre'
Forms a clump up to 12 x 15 inches in size.
The foliage is steel blue.
The pink flowers are double with red streaks.
'Robin'
to 15 inches.
Double, pale salmon orange flowers.
'Rose Dawn'
Dwarf green tufted form to 6 inches x 2 feet making an excellent edging plant.
The rose colored flowers are small, and double.
'Snowbank'
Forms a very compact clump with very fragrant, shaggy white flowers on stems up to 18 inches in height.
'Spotlight'
Green, evergreen foliage. Flowers are INTENSE red and borne on stems up to 15 inches in height.
'Sprangled Banner'
to 8 x 24 inches
'Spotty'
Forms a compact clump to 8 x 36 inches with bluish foliage. Flowers are rose pink with 2 whitish spots on each petal.
'Starlette'
* photos taken on Apr 1 2012 in Columbia, MD
'Sweet Memory'
1 x 3 feet. Fragrant, semi double white flowers with a pink eye.
'Tatra Blush'
Originated from Dianthus lumnitzeri. Reaches up to 9 inches in height with green foliage. Fragrant late spring flowers that are light pink deepening as they age.
'Tatra Blush'
Originated from Dianthus lumnitzeri. Reaches up to 9 inches in height with green foliage. Strongly fragrant late spring flowers that are fringed and white with crimson red markings.
'Warbonnet'
Reaching up to 1.5 feet while in bloom with double, deep red flowers in June and July on sturdy stems.
'White Hills'
Forms a gray green "bun" of foliage topped with white flowers on short stems.
Dianthus japonicus ( Japanese Carnation )
A bushy, upright perennial, reaching up to 20 x 18 inches, that is native to sandy shorelines in Korea and Japan.
The oblanceolate leaves are up to 2 inches in length. The foliage is glossy bright green.
The pink flowers appear early summer until autumn frost.
Hardy zones 5 to 8 ( est ). Very heat and humidity tolerant.
Dianthus knappii
A short-lived, mounding perennial, reaching up to 2 x 2.7 feet, that is native to Yugoslavia.
Rare for a Dianthus, this one has pale yellow flowers, up to 0.5 inches wide, on wiry stems up to 18 inches long in late spring, often repeating until autumn frost.
The leaves are up to 3 x 0.25 inches in size. The foliage is deep green.
Hardy zones 2 to 8 ( thriving even in Calgary, Alberta's harsh climate ) in full sun to partial shade on well drained soil. Propagation is from seed.
Dianthus latifolius 'Beatrix'
Forms wide mounds of deep green foliage topped by abundant, double pink flowers on branched stems up to 16 inches in height.
Dianthus leucophaeus
Forms dense cushions of blue-green foliage topped in wide, white or yellow flowers with a red back. It is native to mountains in Turkey.
Hardy zones 4 to 7.
Dianthus petraeus subsp. noeanus
Native to Yugoslavia and Albania and forming a dense mat to 12 inches. It bears pink or white flowers to 0.8 inches across that are either single or in clusters.
Dianthus pinifolius ( Pineleaf Dianthus )
A perennial, reaching up to 2 x 1 feet.
The attractive foliage is blue-green.
The deep red flowers are borne on clusters. It repeat blooms if deadheaded immediately after blooming.
Hardy zones 4 to 9 in full sun on light, well drained soil. Very heat tolerant as well as drought tolerant. Deer and rabbit resistant.
* historical archive photo
Dianthus plumarius ( Cottage Pink )
A perennial, reaching up to 14 x 16 inches, that is native to central and eastern Europe.
The foliage is blue-green.
The very fragrant flowers, up to 2 inches wide, are white or pink.
Hardy zones 3 to 9 in full sun or partial shade on fertile, alkaline, well drained soil. Drought resistant. Shear plants back after flowering, cut back again after autumn frosts except in mild regions where it may be evergreen. Propagation is from division every few years during early spring.
'Boutonniere'
Double white flowers.
Dianthus simulans
Native to the mountains of Bulgaria and forms a tight, tufted bun to 3 x 12 inches.
The spring flowers are sparse, single and deep rose pink.
Dianthus subacaulis
Forms a very attractive blue-green foliage cushion to 8 x 12 inches that is covered in bright pink flowers from May to June.
Dianthus superbus
A vigorous perennial, reaching up to 2.5 x 2 feet, that is a widespread native to Eurasia ( from Norway to Siberia; south to France to central Asia to Japan ).
The narrow leaves, up to 3 inches long, are gray-green to mid-green.
The very fragrant flowers, up to 2 inches wide, are pink to purplish-pink. They are borne all summer long.
Hardy zones 4 to 9 in full sun to partial shade.
Dianthus sylvestris
A low mat-forming perennial, reaching up to 5 inches in height.
The pink flowers are borne during summer.
Hardy zones 5 to 8
Dianthus turkestanicus
Rapid growing and forming a tight mat up to 5 inches tall ( 16 inches while in bloom ). The foliage is blue-green ( up to 2 inches in length ) and the very fragrant flowers are very fragrant with violet markings. Tough and drougth tolerant.
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