Northern Catalpa
Catalpa speciosa

Height: 40-60'
Width: 25-40'
Hardiness Zone: 4
Exposure: sun, partial shade
Origin: Central U. S.

Description:

Catalpa is anupright, oval, irregular som etim es opencoarse-textured deciduous tree with large heart-shaped leaves, 6-12”longand 6-10” wide;thickstem s and branches. Flowers, inupright pyram idal clusters, are purple-spotted white and slightlyfragrant inearlysum m er. Long, thinseedpods (capsules), 10-16” long, oftenreferred toas bean-pods, are greenat first changingtobrown and hangverticallyonthe tree intoor through winter.

Site and Cultural Requirements:

Verytolerant ofdiverse site conditions ofsoil pH, drought, heat and som e com pactiononce established.Grow best in w ell-drained, m oist fertile soils with neutral pH;Catalpa has survived diicult urbansite conditions, how ever, shedding large leaves and seedpods onstreets and sidewalks m aycause slipperyconditions requiringfrequent autum ncleanup.

Insect/Disease Issues:

Num erous insects and diseases aect Catalpa, but none usuallycause a serious threat.

Cultivars and Related Species:

SouthernCatalpa (Catalpa bignonioides)-sm aller tree growing40-60’with sm aller leaves;zone 5.

No cultivars known

We would like to thank the Landscape Plant Development Center and Minnesota Landscape Arboretum for the botanical information and photos.

 

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Email: info@thebrentonarboretum.org