Oxydendrum arboreum, Sourwood

Tried and True Native Plant Selections for the Mid-Atlantic 

Though native to parts of the Mid-Atlantic Region,* Sourwood is more common in the South, including Virginia’s southern half. In residential landscapes, this decorative tree offers year-round appeal: lily-of-the-valley-like flowers, breathtakingly brilliant fall foliage, persistent fruit capsules and reddish color twigs.

Print Version: Oxydendrum arboreum, Sourwood

Oxydendrum arboreum, Sourwood, TreeHeight: 20–50 feet Spread: 10–25 feet Bloom Color: White Characteristics Slow-growing, deciduous tree with straight trunk and irregular, somewhat pyramidal habit Finely-toothed, oblong glossy green leaves Showy, fragrant white bell-shaped flowers on 6- to 8-inch spikelets from June to July Persistent light yellow to grayish fruit capsules Brilliant fall foliage from shades of red to eggplant Green and red twigs; drooping branches; deeply furrowed and ridged gray bark on mature trees Attributes Intolerant of dense shade, lime soil, compacted soil, root disturbance, poor drainage, flooding, drought, and air pollution; no serious pests or diseases; deer seldom severely damage except for new growth Winter interest Ethnobotanic uses; bees produce a choice, highly valued honey from the flower nectar Attracts bees, wasps & sometimes butterflies, moths Growing and Maintenance Tips Soil Requirements: Acidic, well-drained soil Light Requirements: Sun, Partial Shade Water Requirements: Moist More prolific flowers/colorful foliage w/ more sun Use as ornamental specimen, patio tree Hardiness: USDA Zones 5–9 Excellent Replacement for Acer ginnala - Amur Maple Ailanthus altissima - Tree of Heaven Paulownia tomentosa - Princess Tree Vitex agnus-castus - Chaste Tree *Though not native to DC or NoVA, it is indigenous to a few counties in MD and PA, besides the southern half of VA. ** A honey bee and bumble bee are foraging among the flowers.

Learn more about other Mid-Atlantic plants: Tried and True Plant Fact Sheets.

1 Response to Oxydendrum arboreum, Sourwood

  1. Pingback: Planning for the Red, White, and Blue: Part 2 | Master Gardeners of Northern Virginia

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