{"id":264,"date":"2025-09-25T19:28:14","date_gmt":"2025-09-25T23:28:14","guid":{"rendered":"https:\/\/www.clarku.edu\/hadwen-arboretum\/?p=264"},"modified":"2025-09-25T19:28:14","modified_gmt":"2025-09-25T23:28:14","slug":"northern-catalpa","status":"publish","type":"post","link":"https:\/\/www.clarku.edu\/hadwen-arboretum\/trees\/northern-catalpa\/","title":{"rendered":"Northern Catalpa"},"content":{"rendered":"\n<div class=\"wp-block-columns sidebar is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<h2 class=\"wp-block-heading\"><em><em><em><em><em><em><em><em><em><em>Catalpa speciosa<\/em><\/em><\/em><\/em><\/em><\/em><\/em><\/em><\/em><\/em><\/h2>\n\n\n\n<p class=\"is-style-intro\">Northern catalpa is a deciduous tree known for its large, heart-shaped leaves, abundant iris-like flowers, and sizable bean-like fruits. The tree\u2019s flowers are particularly favored by many pollinators, especially hummingbirds.<\/p>\n\n\n\n<aside class=\"wp-block-group boxout has-light-green-background-color has-background is-content-justification-left is-layout-constrained wp-container-core-group-is-layout-12dd3699 wp-block-group-is-layout-constrained\">\n<h4 class=\"wp-block-heading\">Location<\/h4>\n\n\n\n<p>A pair of northern catalpa trees can be found on Larch Lane. Another can be found tucked at the end of Appleton Trail.<\/p>\n<\/aside>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"600\" src=\"https:\/\/www.clarku.edu\/hadwen-arboretum\/wp-content\/uploads\/sites\/97\/northern-catalpa-leaf.jpg\" alt=\"Northern Catalpa Tree leaves\" class=\"wp-image-266\" srcset=\"https:\/\/www.clarku.edu\/hadwen-arboretum\/wp-content\/uploads\/sites\/97\/northern-catalpa-leaf.jpg 900w, https:\/\/www.clarku.edu\/hadwen-arboretum\/wp-content\/uploads\/sites\/97\/northern-catalpa-leaf-300x200.jpg 300w, https:\/\/www.clarku.edu\/hadwen-arboretum\/wp-content\/uploads\/sites\/97\/northern-catalpa-leaf-768x512.jpg 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:4rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-group alignfull section-intro has-light-warm-gray-background-color has-background is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-stretch is-layout-flow wp-block-column-is-layout-flow\">\n<div style=\"background-image:url(&apos;https:\/\/www.clarku.edu\/hadwen-arboretum\/wp-content\/uploads\/sites\/97\/northern-catalpa-tree-1.jpg&apos;);background-position:50% 50%;background-size:cover;\" class=\"wp-block-group padded lifted has-white-background-color has-background wp-container-content-69bc4bdf is-layout-constrained wp-block-group-is-layout-constrained\">\n<div style=\"height:25.625rem\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group padded has-charcoal-color has-text-color has-link-color wp-elements-b78ec7b2d34ccc7d5cc2542036020cdc is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">History at Hadwen<\/h3>\n\n\n\n<p class=\"intro has-medium-font-size\">Northern catalpa was among the species originally planted by Hadwen. In 1900, Hadwen discussed the northern catalpas he had cultivated at the arboretum during a lecture delivered to the Massachusetts Horticultural Society.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group section is-layout-constrained wp-block-group-is-layout-constrained\"><div style=\"color:var(--clarku-color-green)\" class=\"eyebrow  has-text-align-left\">Keep learning<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Detailed species information<\/h3>\n\n\n\n<p>The Northern catalpa is a deciduous tree in the family Bignoniaceae, native to the midwestern United States. Typically a medium-sized tree, it reaches a height of 50\u2013100 feet (15\u201330 meters). The catalpa\u2019s large, heart-shaped leaves are oppositely arranged on the stem and measure 8\u201312 inches (20\u201330 centimeters) in length. Its showy flowers are trumpet-shaped, resembling those of irises, and are usually white with yellow and purple spots. Additionally, the tree produces large, bean-like fruits containing seeds with papery wings.<\/p>\n\n\n\n<p>Initially native to a small part of the midwestern United States, the catalpa is now widespread east of the Rocky Mountains. Thriving in moist and alkaline soils with full sun, it exhibits toughness and adaptability to various conditions. The catalpa\u2019s wood is soft and resistant to rot, rendering its lumber usable despite the tree often growing crooked. While catalpa lumber sees limited use, it is occasionally employed for fence posts, boat building, and carving. Although not commonly utilized in landscaping due to the large seed pods it produces, catalpa is sometimes planted for its showy flowers and distinctive leaves. More cultivars, including seedless varieties, are becoming available.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Catalpa speciosa Northern catalpa is a deciduous tree known for its large, heart-shaped leaves, abundant iris-like flowers, and sizable bean-like fruits. The tree\u2019s flowers are particularly favored by many pollinators, especially hummingbirds. Location A pair of northern catalpa trees can be found on Larch Lane. Another can be found tucked at the end of Appleton [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":266,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[5],"tags":[],"class_list":["post-264","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-trees"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Northern Catalpa | Hadwen Arboretum | Clark University<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.clarku.edu\/hadwen-arboretum\/trees\/northern-catalpa\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Northern Catalpa\" \/>\n<meta property=\"og:description\" content=\"Catalpa speciosa Northern catalpa is a deciduous tree known for its large, heart-shaped leaves, abundant iris-like flowers, and sizable bean-like fruits. 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