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Trees of Iowa: An Interactive Key

Pagoda Dogwood
(Cornus alternifolia)



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The Pagoda Dogwood is also known as the Blue Dogwood, Green Osier, Pagoda-Cornel, and Alternate-leaf Dogwood. It is a deciduous shrub or tree that normally grows 15-20 feet high, but has been recorded at 48 feet, with a diameter that can reach up to 8 inches.

Hardiness: zones

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Flowering Dates: May - July

Seed Dispersal Dates: July - September

Seed Bearing Age:

Seed Bearing Frequency: Each year

Seed Stratification: Warm stratification for 2 months at 68F to 85F followed by prechilling for 2 months at 40F
Pagoda Dogwood LeavesPagoda Dogwood Fruit

The leaves measure 3 to 5 inches in length, and 2 1/2 to 3 1/2 inches in width. Each leaf is dark green on top, and paler or whitened underneath, simple, oval to broadly ovate, entire with with wavy margins, alternate and also cluster at the tips of each branchlet. Petioles are 1 to 2 inches and tinged reddish. The fruits are drupes, 3/4 inches in diameter, dark blue-black, and in loose flat-topped clusters. The fruits can be seen July through August, and in some areas as late as October.

Pagoda Dogwood TwigPagoda Dogwood Flowers

The wood is usually not used for commercial purposes due to the small size of the tree. Pagoda Dogwood is usually seen as an ornamental tree and used to attract backyard wildlife as many bird species also enjoy the fruit.

In its natural habitat, the Pagoda Dogwood is found in the understory of cool, moist upland woods, seen often in ravines, bordering swamps, and along wooded stream banks. Its range is from New Brunswick to Minnesota, south to northern Georgia and Alabama, and can be found in Iowa in 2/3 of the state's northeast.

 

Click on a thumbnail image below to view larger pictures.
Pagoda Dogwood Twig with Red Dogwood Twig Pagoda Dogwood Flowers Pagoda Dogwood Form Pagoda Dogwood Leaves Pagoda Dogwood Leaves Pagoda Dogwood Form Pagoda Dogwood Twig Pagoda Dogwood Fruit Pagoda Dogwood Leaves Pagoda Dogwood Form Pagoda Dogwood Bark Pagoda Dogwood Leaf Pagoda Dogwood Twigs