City Trees

July/August 2023

City Trees is a premier publication focused on urban + community forestry. In each issue, you’ll learn how to best manage the trees in your community and more!

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Page 39 of 39

40 CityTREES Flowers of Malus angustifolia. Photo by James H. Miller, USDA Forest Service, The early spring blossoms, which can be pink or white and completely cover the tree's branches, put on a stunning display and provide pollen for bees early in the season. The leaves attract hundreds of species of hungry butterfly and moth larvae. The crabapple fruits, the size of ping pong balls, are a yellow-green, maturing to a bright red, and attract birds and deer, foxes, rabbits, and other mammals. Southern crabapple's capacity to adapt to urban settings is subject to some limitations. This tree requires sufficient soil volume for optimal growth and it can be vulnerable to common tree pests like apple scab and fire blight. Pruning of Southern crabapple is best done in winter. In some states, Malus angustifolia is listed as threatened or of concern due to habit loss and/ or insufficient reseeding. Like the Southern mag- nolia featured in the last issue of City Trees, Southern crabapple is cherished by Louisianans for its flowers and wildlife appeal. Ripe fruit of Southern crabapple. Photo by Paul Wray, Iowa State University, Foliage and emerging fruit of Southern crabapple. Photo by Paul Wray, Iowa State University,

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