Sunday, January 17, 2010

Jasmine

Jasminum

A genus of close to 200 species of shrubs and vines native to Asia and Africa, that are famous for their fragrant flowers.
Most Jasmine prefer full sun to partial shade on moist, fertile, well drained soil.
They do not like drought but most are pollution tolerant. Many species of Jasmine may be prone to scale.
Propagation is from seed, cuttings ( semi-ripe and hardwood ) and layers.
* photo of unknown internet source


Jasminum azoricum ( Azores Jasmine )
An evergreen vine that is native to the Azores Islands.
Some records include: largest on record - 23 x 20 feet.
The leaves, up to inches, are composed of 3 ( sometimes 5 ), lance-shaped leaflets, up to 3 inches in length. The leathery foliage is glossy deep green.
The very fragrant, pure white flowers are borne loose panicles over a long season from early summer through mid autumn.
Hardy zones 10 to 11, tolerating only occasional light frosts.

Jasminum beesianum
A vigorous twining deciduous vine that is native to western China.
Some records include: 5 years - 10 x 10 feet; largest on record - 17 x 17 feet.
The simple, lance-shaped leaves, up to 3 x 1 inches, borne in pairs, are deep green.
The fragrant, small, pale-pink to red-pink flowers, up to 0.8 inches in length, are borne in clusters of 3 from late spring into fall.
They are followed by persistent shiny black fruits.
Hardy zones 6 to 10 ( tolerating as low as -10 F )

Jasminum fruticans
A medium size shrub, reaching a maximum size of 12 x 10 feet, that is native from the Mediterranean to western Asia. Some records include: 10 years - 6.5 x 5 feet. It quickly spreads by runners and can be used for soil stabilization.
The trifoliate leaves are composed of 3 leaflets, up to 1 inches in length.
The profuse, unscented, bright yellow flowers are borne in clusters of up to 5, late spring until autumn frosts ( all year in tropical climates ).
Hardy zones 7 to 10 ( tolerating as low as -5 F ) in full sun on well drained soil. Thrives in the Mid Atlantic and southeastern U.S., esp. in the Carolinas.
Tolerates heat and drought.

* excellent photo link found on internet
http://plants.nature4stock.com/?page_id=2759

Jasminum humile ( Italian Yellow Jasmine )
A sprawling ( sometimes much taller with support such as a wall ), graceful, fine-textured, evergreen shrub, that is native to valleys in the Himalayas from the Afghanistan to western China. It is also found in Tajikstan where it is endangered. Some records include: 5 years - 8 x 8 feet; largest on record - 20 x 20 feet ( rarely over 13 feet in height ). Generally messy in habit, it can be kept neater looking with regular pruning. When grown against a wall, it will climb if provided strong support.
The pinnate leaves, up to 4 inches in length, are composed of 5 to 7 lance-shaped leaflets, up to 3.5 ( typically under 2.5 ) inches in length. The foliage is luxuriant bright green. The foliage is evergreen to temperatures as low as 18 F.
The fragrant, bright yellow, nodding, tubular flowers, up to 1 inch, are borne in terminal clusters from spring through late autumn. They are followed by shiny black berries.
Hardy zones 7 to 10 ( 6 on protected site ), hardy north to Maryland, tolerating 0 F with no damage. It prefers full sun ( but tolerates shade ) on fertile, well drained soil. Heat and drought tolerant. Italian Yellow Jasmine loves summer heat and in cooler climates, it is best grown against a warm sunny south facing wall. Deer resistant. Propagation is from semi-ripe cuttings taken during summer. It can also be propagated from layering and it often self layered in the landscape.

'Revolutum'
Large leaves and fragrant flowers.

'Wallichii'
Leaves are composed of up to 11 leaflets.
The flowers are borne in larger clusters.

Jasminum mesnyi ( Primrose Jasmine )
A rapid growing, sprawling ( sometimes much taller with support such as a wall ), evergreen spreading shrub, that is native to western China. Some records include: 5 years - 8 x 5 feet; largest on record - 17 x 20 feet. Generally messy in habit, it can be kept neater looking with regular pruning.
The pinnate leaves, up to 4 inches in length, are composed of 3 to 7 lance-shaped leaflets, up to 3 x 1 inches. The foliage is glossy bright green later turning to deep green.
The showy, unscented, bright yellow, semi-double flowers, up to 1.5 inches, are borne in clusters during late spring into early summer then sporadically into fall.
The stems are canelike and arching.
Hardy zones 8 to 10 ( 7b on protected sites, established plants are root hardy to -3 F if deeply mulched ) in full sun on fertile, well drained soil. Tolerant of drought but not salt. This Jasmine thrives especially well in the Deep South.
Propagated from semi-ripe cuttings taken during summer.
Can be cut to ground level if needed to renovate.

Jasminum multiflorum ( Star Jasmine )
A fast growing mounding shrub or vine ( with support ) that can reach a maximum size of 10 x 10 feet.
Some records include: largest on record -
The leaves, up to inches, are composed of leaflets, up to inches
The lightly fragrant, pure white flowers are borne during most of the year.
Hardy zones 6 to 10. Tolerant of heavy pruning.

Jasminum nitidum ( Windmill Jasmine )
A fast growing, evergreen spreading shrub to vine ( with support )
Some records include: largest on record - 20 x 15 feet ( with support ).
The sinple, ovate leaves, up to 3 inches in length, are very glossy, bright green.
The fragrant, pure white flowers, up to 2 inches across, are shaped like windmills. They are borne throughout the summer.
Hardy zones 9 to 12, cannot tolerant colder than 25 F when young, hardier with age.
Thrives in full sun to partial shade.
* photo of unknown internet source

* photo taken @ U.S. Botanical Garden, Wash., DC on Aug 25 2014


Jasminum nudiflorum ( Winter Jasmine )
A low growing, sprawling, deciduous groundcover shrub that is native to northern China. Some records include: fastest recorded growth rate - 7 feet; 5 years - 8 x 8 feet; largest on record - 17 x 15 feet ( grown against a wall with support - it typically doesn't exceed 2.5 to 3 feet unless it has support ).
It is often used to trail over walls.
The trifoliate leaves, up to 4 inches long, are composed of 3 oval leaflets, up to 1.2 x 0.5 inches in size. The foliage is deep green and persists late during autumn.
The very fragrant, bright yellow flowers, up to 2 x 1 inches, are borne before the foliage emerges during late winter into early spring.
The arching canes or whips are green, making the plant appear evergreen.
Hardy zones 5 to 9 ( protected site in 5 ) in full sun to partial shade on fertile, well drained soil. The flower buds can freeze at -5 F. Drought tolerant. Prune to shape after blooming is finished. Plants can be cut to ground every 3 to 5 years to renovate.
Propagation is from layering or semi-ripe cuttings taken during summer.


* photos taken on 4th of July 2010 in Washington, D.C.


* photos taken on March 7 2011 in Columbia, MD









* photos taken on Aug 25 2011 @ Scott Arboretum, Swarthmore College, PA


* photo taken on Apr 13 2012 in Bethesda, MD

* photo taken on Aug 25 2012 in Harford Co., MD

* photos taken on March 17 2013 in Harford Co., MD
* photo taken on June 1 2014 @ Maryland Horticulturalist Society garden tour, Ellicott City

* photos taken on Apr 23 2015 in Howard Co., MD

* photos taken on Aug 5 2015 in Columbia, MD

* photos taken on Dec 28 2015 in Columbia, MD

* photo taken on Feb 23 2017 in Columbia, MD


'Aureum'
Slower growing, reaching up to 3 x 4 feet, with golden-yellow foliage.
Less hardy, tolerating no lower than -10 F.

'Mystique'
Slower growing, reaching up to 3 x 3 feet, with handsome foliage that is gray-green and variegated with a white edge.

Jasminum officinale ( Common White Jasmine )
A twining deciduous to semi-evergreen vine, that is native from northern Iran to China. Some records include: largest on record - 50 x 33 feet ( with support ).
It can be maintained as a shrub reaching around 8 feet.
The pinnate leaves are composed of 5 to 9 elliptical leaflets, up to 2.5 x 1 inches in size. The foliage is deep green.
The very fragrant, white to very light pink flowers, up to 1 inch, are borne early summer into autumn.
Hardy zones 7 to 10 ( 6 as a perennial on very sheltered sites ). It thrives in full sun or shade on moist, light, well drained soil.
Propagation is from semi-ripe cuttings taken during summer.

* photos taken on Oct 17 2013 in Olney, MD

* photos taken on Aug 24 2017 @ U.S. Botanic Garden, Wash. DC.


'Affine'
Large flowers that are white on the outside, pink on the inside.

'Argenteovariegatum'
Foliage is variegated with a bold creamy-white edge and splashings. The foliage is often pinkish at first.
Vigorous but not overly so, it reaches around 14 feet in 5 years, eventually much more.
Tolerates as low as 0 F.

'Aureovariegatum'
Slower growing, reaching up to 6 feet in 5 years, eventually up to 14 feet.
The striking pink new foliage turns to green and boldly edged in cream.
Tolerates as low as 0 F.

'Aureum'
Golden blotched foliage.

'Crugs Collection'
Semi-evergreen with very fragrant, pink flowers that are larger than average.

'Fiona Sunrise'
Stunning bright golden-green foliage and fragrant white flowers.
Slower growing but still vigorous, reaching around 10 feet in 5 years.
Hardy zones 6 to 10 ( may die back to ground north of zone 7b )

* photos taken on 4th of July 2010 @ U.S. National Arboretum, D.C.


* photos taken on Aug 25 2011 @ Scott Arboretum, Swarthmore College, PA


* photos taken on June 23 2013 @ U.S. National Arboretum, DC

* photos taken on Oct 21 2014 @ Smithsonian Inst., Washington, DC

* photo taken on Feb 8 2014 @ U.S. National Arboretum, DC


'Grandiflorum'
A fast growing, large flowered form, reaching around 15 feet in 5 years, eventually much more.
Tolerates 0 F.

'Inverleith'
Smaller glossy foliage that turns intense scarlet-red that lasts for weeks during autumn.
The flowers are deep red in bud, opening to white.
Hardy zones 7b to 10 ( tolerating as low as 0 F ).

Jasminum parkeri ( Dwarf Jasmine )
A dwarf, twiggy, spreading, mounding, semi-evergreen shrub that is native to northwestern India.
Some records include: 5 years - 1 x 1.5 feet; largest on record - 2 x 8 ( rarely over 1 x 3 ) feet. Excellent for rock gardens, trailing over low walls and even containers.
The pinnate leaves are composed of 3 or 5 leaflets, up to 0.5 inches in length. The foliage is glossy deep green.
The abundant, unscented, yellow, tubular flowers, up to 0.7 inches in length, are borne from the upper leaf axils from late spring until autumn frost.
Hardy zones 6 to 10 ( protected site north of zone 7 ). Thrives in full sun on just about any well drained soil.

Jasminum polyanthum ( Chinese Jasmine )
A fast growing, woody, twining semi-evergreen to evergreen vine, reaching around 33 feet, that is native to Yunnan Province in China. Some records include: 5 years - 13 x 5 feet ( avg ); largest on record - 70 feet ( with support ). It may be invasive on some sites.
The lacy, pinnate leaves, up to 5 inches in length, are composed of 5 to 7 elliptical leaflets, up to 3.8 x 1.5 inches in size, are deep green.
The very fragrant, small, white flowers, up to 1 inch in length, are borne in panicles from spring through fall. The flowers are pink in bud.
Hardy zones 8 to 10 ( 7 as a perennial ) in full sun to partial shade on just about any fertile, well drained soil. In cooler climates it needs a sheltered warm site such as against a south facing wall. Can be pruned hard after flowering.
Propagation is from semi-ripe cutttings during summer.

Jasminum x stephanense ( Hardy Jasmine )
The hybrid between Jasminum officinale & J. beesianum. A fast growing, twining semi-evergreen vine, reaching a maximum height of 27 feet. Some records include: 5 years - 17 x 17 feet.
The leaves are composed of 3 to 9 leaflets, up to 1.5 x 0.6 inches in size. The luxuriant green foliage is often variegated.
The very fragrant, pale pink flowers, up to 0.5 inches in length, are borne over a long period lasting 2 or more months beginning early summer.
Hardy zones 7 to 9 ( tolerating as low as 0 F ) in full sun to partial shade on fertile, well drained soil. Deer resistant.

'Lazyfarm'
Hardy north to zone 5 though may become a perennial during colder winters in the north.

No comments:

Post a Comment