They can also be reproduced from root cuttings at least 0.5 inches in diameter planted immediately in early spring.
Albizia adianthifolia ( Flat Crown )
Native to a huge chunk of Africa from the tropics to coastal Natal in South Africa; this is a large tree with a stocky trunk and a very wide, umbrella shaped canopy.
Both long lived and very fast growing, the maximum size is 150 x 110 feet with a trunk diameter of 4 feet, though obviously much smaller in dry regions with no irrigation. The bark is gray and smooth later becoming flaky and brown.
The leaves are up to 10 x 5 inches and are composed of leaflets up to 2 x 1 inch.
The white "powderpuff" flower heads appear in winter and spring. The flowers attract nectar feeding birds.
Hardy zones 9 to 12
Albizia amara
A very fast growing tree reaching up to 50 x 50 feet. Some records include: 1st year from seed - 10 feet; 3rd year - 27 feet!
The feathery foliage is up to 11 inches in length.
The bark is smooth and dark green.
This tropical tree is only hardy from zones 10 to 12 and is both tolerant of clay and wet soils.
Albizia anthelmintica
Thrives in the U.S. in southwest Arizona and with occasional irrigation. Some records include: 3 years - 7 feet; 4 years - 10 feet; 7 years - 14 feet; 12 years - 17 feet.
Albizia brevifolia
Thrives in the U.S. in southwest Arizona and with occasional irrigation. Some records include: 2 years - 8 feet; 3 years - 13 feet; 6 years - 16 feet; 7 years - 20 feet; 11 years - 26 feet
Albizia chinensis ( Chinese Silk Tree )
A spreading, very large, rare tree to 60 feet, native to India and southwest China. Some records include: fastest growth rate - 2 inch increase in trunk diameter;
1.5 years - 15.5 feet with a trunk diameter of 1.6 inches; largest on record is 142 x 100 feet with a trunk diameter of 5 feet.
Compared to Albizia julibrissin but is stronger wooded, has rougher bark and creamy white flowers. It also has much less delicate looking foliage; its leaves being composed of only up to 16 leaflets which are up to 1.3 x 0.7 inches in size.
Hardy north to zone 7.
Albizia coriaria
A slow growing but large flat crowned tree with often twisted branches, reaching a maximum size of 120 x 100 feet. The foliage is bipinnate and composed on oval leaflets up to 1.5 x 0.5 inches.
Bark is gray-black, scaly bark.
Hardy to zone 7
Albizia distachya ( Plume Albizia )
A broad rounded spreading tree to 20 feet or more that is native to western Australia. Some records include: 2 years - 12 feet with a trunk diameter of 8 inches; largest on record - 30 x 25 feet.
The deep green, semi-evergreen foliage is finely divided and feathery being composed of many small leaflets.
The white flowers are densely compacted into slender spikes in spring and summer.
Hardy zones 7 to 10 and likes hot summers and full sun. Tolerant of both wet and dry conditions but hates being transplanted
Albizia ferruginea
A huge tree with a beautiful spreading crown that is native to western Africa.
It can reach a maximum size of 155 feet with a trunk diameter of 4 feet.
Albizia harveyi
Thrives in the U.S. only in southwest Arizona and with occasional irrigation. Some records inlcude: 2 years - 6 feet; 3 years - 8 feet; 5 years - 11 feet; 7 years - 14 feet; 10 years - 18 feet; 12 years - 22 feet.
Albizia julibrissin ( Mimosa Silk Tree, Pink Siris )
A fast growing, flat crowned tree, up to 40 feet or more, native to western Asia as well as Japan. Some records include: fastest recorded growth rate - 8 feet; 3rd year - 20 feet; 24 years - 75 x 70 feet with a trunk diameter of 2.6 feet; largest on record - 75 x 103 feet with a trunk diameter of 5 feet; largest in PA - 67 x 77 feet in Philadelphia; largest in Maryland - 70 x 82 x 3 feet in Baltimore.
The feathery, bipinnate, compound foliage to 20 x 9 inches, is deep green above, pale green below. The smooth, pointed, smooth edged, narrow leaflets are up to 0.5 inches long. The leaflets fold up at night. The foliage turns to yellow or often just a lighter green in the fall.
In summer the abundant, fluffy, pink, "powder puff" flower inflorescences, up to 2 inches across, are held above the foliage. The flowers are loved by hummingbirds which feed on the nectar.
The flowers are followed by pods up to 8 x 2 inches that often persist through winter.
The stout twigs are green at first later turning red-brown.
The thin bark is coarse textured and gray though not ridged. Stems have no thorns.
Hardy zones 6 or 7 to 12 ( see below for Tyrone which is more cold hardy )
Prefers a warm, deep, well drained soil in full sun on a site sheltered from excessive wind. They are best planted directly from seed or when very small; it is important to protect the taproot when transplanting.
Seedlings usually reach 4 feet in the second year and sometimes much larger.
Tolerant of drought, high soil PH and salt. Very heat tolerant, it actually requires hot summers to thrive. Pruning is often needed when young to force the growth upward since the tree has a tendency to spread. Mimosa webworm and vascular wilt disease may be a problem in some areas.
* photos taken on June 15 2010 in Ellicott City, MD
* photos taken on July 15 2013 in Columbia, MD
E.H. Wilson
Exceptionally hardy, tolerating as low as -15 F. It may be the same as Rosea which originated in Soeul, South Korea.
Fine Wine
Similar to Summer Chocolate except that it is typically grown on its own roots rather than grafted. The foliage is deep red during spring, turning to red-bronze during summer.
Flame
bright red flowers.
Summer Chocolate
Foliage is light green in spring before turning to deep purple in summer. Many plants of this cultivar, retain the purple foliage when grown from seed.
* photos taken on 4th of July @ U.S. National Arboretum, D.C.
* photos taken on October 17 2010 @ U.S. National Arboretum, D.C.
Tyrone
Resistant to Mimosa Wilt disease and hardier, north to zone 5.
Many mature trees survived -24 F in Ohio and there is even one report of success in zone 3b Wisconsin.
Umbrella
fast growing with very dark green foliage. Dark pink flowers.
Albizia kolkora
A stately potential street tree native to India and China that can reach up to 50 x 60 feet with a trunk diameter of 2.5 feet. Indeed one almost that large grows in North Carolina despite this tree being extremely rare in the U.S. It is similar to Albizia julibrissin except with white flowers.
Rapid growing. Hardy north to zone 6
* photos taken on July 17 2010 @ Morris Arboretum, Philly, PA
Albizia koreana
A medium size tree with a maximum size of 60 x 40 feet ( largest known tree in U.S. so far is 37 feet in Raleigh, N.C. ). The flowers are yellowish-white and it blooms 10 days before similar Albizia julibrissin. Hardy north to zone 7
Albizia lebbeck ( White Siris )
Native to tropical Africa, southern Asia and Australia; this is a very fast growing, large flat topped tree reaching 100 feet or more. Some records include; fastest growth tate - 9 feet with trunk diameter increase of 3 inches; 21 months - 15 feet with a trunk diameter of 2 inches; 3 years - 25 feet; 10 years - 60 feet with a trunk diameter of 26 feet; largest on record - 120 x 100 feet with a trunk diameter of 10 feet.
The leathery pinnate leaves are up to 16 x 9 inches in size and are composed of leaflets up to 2 x 1 inch.
The late spring flowers are greenish, "powderpuffs".
Long, thin pods containing many seed follow the flowers. These rattle in the wind.
The timber is valued for cabinetwork and is attractively figured.
Very drought and salt tolerant.
Hardy zones 9 to 12 tolerating as low as 15 F
Albizia lophantha ( Cape Leeuwin Wattle )
Also called Albizia distachya. A very fast growing, small tree native to Indonesia and naturalized in Australia and in South Africa where it has become a weed. Some records include: first summer - 12 feet; 2 years - 8 inch trunk diameter; largest on record - 50 x 40 feet.
The bipinnate leaves up to 12 x 11 inches in size are composed of many leaflets up to 0.3 inches. The fine-textured foliage is luxuriant mid-green.
The abundant small creamy-white flowers are borne in axilliary spikes up to 4 inches long in spring.
They are followed by abundant, long, flat brown pods that carry many black seeds. The pods ripen summer to autumn.
Hardy zones 9 to 10 as a tree, requiring full sun and well drained soil. Tolerates 0 F as a perennial if sheltered. Trees may uproot in very high winds.
Very difficult to transplant but also very easy to grow from seed; multiple plants should be sown on permanent site with the most vigorous seedling kept in place.
Albizia molucanna
A tropical member of the Albizia family that is also the worlds fastest growing tree. Some records include: fastest recorded growth rate - 20 feet per year; 10 years - 100 feet; largest on record - 130 feet
Albizia procera
A tropical legume that is also one of the worlds fastest growing trees. Some records include: 6 years - 55 feet with a trunk diameter of 1.6 feet; 12 years - 70 feet; 17 years - 90 feet with a trunk diameter of 3.3 feet; 30 years - trunk diameter of 6.6 feet; largest on record - 120 feet with a trunk diameter of 6.6 feet.
The feathery bipinnate foliage is large, up to 18 x 20 inches.
Hardy zones 10 to 12
Albizia samam ( Monkeypod Tree )
A large tree to 150 feet with a broad spreading crown that is native to the wet tropics from Central America to Brazil. Fast growing, some records include: fastest recorded growth rate - 1 inch trunk diameter increase yearly; 85 years - 4 foot trunk diameter; largest on record - 200 x 250 feet with a trunk diameter of 10 feet!
Yes you read that right; this tree is HUGE!!!
This tree is sometimes grown to shade Coffee and Cacao crops.
The bipinnate leaves are composed of downy leaflets up to 1.5 inches long.
The flowers are fluffy white "powderpuffs"
The flowers are followed by seed pods which are edible and often used to feed livestock.
The timber is very valuable and is used for furniture manufacture.
Hardy only in the tropics from zone 10 to 12
Albizia sinaloensis ( Sinaloan Silk Tree )
A rapid-growing, very handsome tree native to north central Mexico that reaches up to 50 x 20 feet or more.
Some records include: largest on record - 70 x 30 feet.
The evergreen foliage is up to 9 inches in length. The flowers are white.
Hardy zones 8b to 10 ( freezes to base at 16 F but resprouts vigorously ). Drought & urban tolerant. Thrives in Tucson, Arizona.
Easy to grow.
Albizia tanganyicensis ( Paperbark Albizia )
A very attractive, medium size tree with a high, open crown that is native to the plateaus of eastern Africa from South Africa north to Tanzania.
The maximum size of the Paperbark Albizia is 45 x 30 feet.
The very attractive bark is papery and cream colored, peeling off in large sheets that turn indian red, to reveal light green new bark.
The foliage is deciduous. The leaves up to 12 inches in length are composed of leaflets up to 1.5 x 1 inch in size.
The sweetly fragrant, white, "powder puff" flowerheads appear on the bare branches in late spring and early summer.
The flowers are followed in early summer by flat, purplish brown pods up to 12 inches in length.
Hardy zones 9 to 11
Albizia zygia ( Brown Mimosa )
A very fast growing, spreading tree with a graceful architectural form which grows huge. Some records include: 6 years - 45 feet with a trunk diameter of 7 inches; 17 years - 82 feet in height; largest on record - 120 x 100 feet with a trunk diameter of 9 feet.
The leaflets are up to 3 x 2 inches. The bark is smooth and gray.
A tropical tree, hardy zones 10 to 12
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