Amur maackia

Amur maackia with new foliage emerging in spring.

Amur maackia is a compact, rounded tree for smaller landscapes. The compound leaves emerge silvery-green in spring changing to medium green in summer. White, spiky flowers appear in mid-summer when little else is flowering and showy, mottled olive-green bark adds to winter interest.

This plant has some cultivated varieties. Go to list of cultivars.

 

Botanical name:

Maackia amurensis

All Common Names:

Amur maackia

Family (English):

Pea

Family (Botanic):

Fabaceae (formerly Leguminosae)

Tree or Plant Type:

  • Tree

Foliage:

  • Deciduous (seasonally loses leaves)

Native Locale:

  • Non-native

Planting Site:

  • Residential and parks,
  • City parkway,
  • Wide median,
  • Restricted sites

Landscape Uses:

  • Parkway/street,
  • Shade tree,
  • Specimen

Size Range:

  • Medium tree (25-40 feet),
  • Small tree (15-25 feet)

Mature Height:

20-30 feet

Mature Width:

20-35 feet

Light Exposure:

  • Full sun (6 hrs direct light daily)

Hardiness Zones:

  • Zone 4,
  • Zone 5 (Chicago),
  • Zone 6,
  • Zone 7,
  • Zone 8

Soil Preference:

  • Acid soil,
  • Alkaline soil,
  • Moist, well-drained soil

Acid Soils:

  • Tolerant

Alkaline Soils:

  • Tolerant

Salt Spray:

  • Intolerant

Soil Salt:

  • Intolerant

Drought Conditions:

  • Tolerant

Poor Drainage:

  • Intolerant

Ornamental Interest:

  • Summer blossoms,
  • Fragrant flowers,
  • Showy flowers,
  • Attractive bark

Season of Interest:

  • Early winter,
  • Mid winter,
  • Late winter,
  • Early summer,
  • Mid summer

Flower Color & Fragrance:

  • Fragrant,
  • White

Shape or Form:

  • Round

Growth Rate:

  • Slow

Transplants Well:

  • Yes

Wildlife:

  • Insect pollinators

More Information:

Tree & Plant Care

This tree is able to adapt to both alkaline and acid soils. Prefers a well-drained soil.

Disease, pests, and problems

No serious problems.

Native geographic location and habitat

Native to Manchuria and Korea. 

Bark color and texture 

Bark is copper-brown and will begin to peel a little with age.  Interesting  in winter.

Leaf or needle arrangement, size, shape, and texture

Compound leaves are alternate, leaflet are opposite.    The whole leaf is 8 to 12 inches long.  Leaf opens somewhat gray-green and matures to dark green.  No color change in fall.

Flower arrangement, shape, and size

White, pea-type flowers are arranged on upright clusters.  Lightly fragrant, flowering in early summer.

Fruit, cone, nut, and seed descriptions

The fruit is a flat legume (pod) similar to those produced by redbud trees.  They are brown and 2 to 3 inches long.

Cultivars and their differences

MaacNificent® Amur maackia (Maackia amurensis 'JFS-Schichtel1'):   A more cold hardy cultivar (zone 3) with a vase-shaped habit and yellow fall color.  Grows 30 feet high and 20 feet wide.

Summertime™ Amur maackia (Maackia amurensis 'Summertime'):  Another more cold hardy cultivar (zone 3) introduced by University of Minnesota.  A round form, growing 15 to 20 feet high and 12 to 15 feet wide.

 

Location of Maackia amurensis (Amur maackia) at the Arboretum