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Trees of Iowa: An Interactive Key

Eastern Redbud
(Cercis canadensis)


Leaves are alternate, simple, smooth, not lobed.


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In Iowa the redbud is a small tree or large shrub with coarse foliage and a spreading, open crown.  It is found over most of the eastern half of theUnited States, and in Iowa it is found mostly in the eastern and southeastern section scattered through existing woodlands.  The redbud is used widely as an ornamental because of the rose-pink flowers which appear early in the spring along the branches before the leaves appear.

Hardiness: zones 4 through 9

Growth Rate:
Medium

Mature Shape:
Rounded

Height:
20 to 30 feet

Width:
25 to 35 feet

Site Requirements:
Adaptable to a wide range of soils and moistures

Flowering Dates: March - May

Seed Dispersal Dates: Late summer - November

Seed Bearing Age: 5 years

Seed Bearing Frequency: Every year

Seed Stratification: Place seed in boiling water for 1 minute than prechill for 2 months at 34F to 40F
Redbud FormRedbud Bark

The peculiarly large, broad and rounded leaves have a distinct heart shape with smooth margins.  They are glossy green and firm, turning in autumn toa bright, clear yellow.  They are palmately veined.

Redbud LeavesRedbud Twig

The twigs are dull red to red-brown, often grayish and not shiny. The bark is dark red- brown, roughened and breaking into rather fine, narrow ridges on older stems and trunks.

Redbud FlowersRedbud Fruit

The fruit is a pod similar to a pea pod, turning deep red-brown when ripe and containing  small, rounded, flattened bean like seeds.

 

Click on a thumbnail image below to view a larger picture.
Redbud Flowers Redbud Form Redbud Fruit Redbud Leaves Redbud Twig Redbud Flowers Redbud Form Redbud Leaves Redbud Flowers Redbud Form Redbud Leaves Redbud Form Redbud Form Redbud Flowers Redbud Flowers Redbud Flowers Redbud Flowers Redbud Bark Redbud Flowers Redbud Form Redbud Fruit Redbud Leaves Redbud Twig