Catalpa Speciosa

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Catalpa speciosa - Northern Catalpa or Cigar Tree (Bignoniaceae) ---------------------------------------------------------------------------------------------------------------- Catalpa speciosa is a large tree with winter -persisting throughout the winter and into spring, persistent, elongated, thin pods, white inflorescences finally splitting along their axis into two halves and in mid-June, large, ovate medium green leaves and abscising bold character. -seeds fringed and dispersed by wind Twigs FEATURES -stout, with prominent lenticels and rounded leaf Form scars (scars have depressed centers) -large deciduous, flowering -yellowish-brown to tan tree -false terminal -to 60' tall x 40' wide Trunk -upright oval to irregular brown to gray, usually with deep furrows and tall shape ridges; sometimes scaly -growth rate rapid at first (>18" per year) but slows USAGE down with age Function -considered short-lived in -large shade tree its native habitat (50 years) -flowering tree in early to mid-June Culture Texture -full sun to partial shade -bold in foliage and when bare -very tolerant of soil type, Assets but prefers deep, moist, -coarse-textured large tree fertile soil -flowers prominently in mid-June; very noticeable -withstands wet or dry and display alkaline conditions and -furrowed bark extremely hot, dry -high urban tolerance environments (urban tolerant) -tolerates poor sites -rare availability; B&B form Liabilities Foliage -fruit pod litter in winter and spring -opposite to whorled, simple leaves -small branches prone to storm damage (enhancing -very large (10" long x 6" wide, including the long the bold character) petiole) Habitat -light to -Zones 4 to 8 medium -Native to the Ohio Valley and mid-south of the U.S. green (Illinois and Indiana to Western Tennessee and -very Northern Arkansas) pubescent beneath SELECTIONS -autumn Alternates color -trees that flower in late spring or early summer yellowish (Koelreuteria paniculata, Styphnolobium japonicum); green to large shade trees (Celtis occidentalis); trees with yellow- year-round bold texture (Aesculus glabra, Aesculus brown; flava, Gynmocladus dioicus) poor Cultivars – Variants – Related species -the species form is the only one in the trade -Catalpa bignonioides - Southern Catalpa - the southern version, being about half as tall as C. speciosa; zones 5 to 9 -Catalpa bungei - Umbrella Tree -an unusual, small growing tree of Japanese origin with a tight, rounded Flowers head of attractive foliage. Typically 12-14' x 10-12', -6" erect inflorescences (panicles) of several flowers with a rounded shape. Trees are grafted on 5' in early- to mid-June standards. Flowers are white accented with purple -white with a purple flare sports, blooming in clusters in July. A charming - 2" flowers are bell-shaped and attractive from a small tree to accent the landscape, frame an long distance entranceway, or be displayed as a landscape -flowering for about 1 week, then covering the specimen (from Lake Co. Nursery catalog) ground with white petals Fruits -1.5' long thin pods, slightly curving but generally straight.

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Department of Planning and Zoning
Department of Planning and Zoning Subject: Howard County Landscape Manual Updates: Recommended Street Tree List (Appendix B) and Recommended Plant List (Appendix C) - Effective July 1, 2010 To: DLD Review Staff Homebuilders Committee From: Kent Sheubrooks, Acting Chief Division of Land Development Date: July 1, 2010 Purpose: The purpose of this policy memorandum is to update the Recommended Plant Lists presently contained in the Landscape Manual. The plant lists were created for the first edition of the Manual in 1993 before information was available about invasive qualities of certain recommended plants contained in those lists (Norway Maple, Bradford Pear, etc.). Additionally, diseases and pests have made some other plants undesirable (Ash, Austrian Pine, etc.). The Howard County General Plan 2000 and subsequent environmental and community planning publications such as the Route 1 and Route 40 Manuals and the Green Neighborhood Design Guidelines have promoted the desirability of using native plants in landscape plantings. Therefore, this policy seeks to update the Recommended Plant Lists by identifying invasive plant species and disease or pest ridden plants for their removal and prohibition from further planting in Howard County and to add other available native plants which have desirable characteristics for street tree or general landscape use for inclusion on the Recommended Plant Lists. Please note that a comprehensive review of the street tree and landscape tree lists were conducted for the purpose of this update, however, only
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Catalpa Bignonioides
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