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Sourwood Tree

Oxydendrum arboreum

  • Sourwood Tree Blooms with Fragrant, Honey-Producing Flowers Beloved by Pollinators
  • Thrives in Zones 5-8
  • Deer Resistant, Salt Tolerant
  • Native, Pollinator-Friendly - Attracts Bees and Butterflies
  • Stunning Red, Burgundy / Purple, Yellow, Orange Fall Foliage
Regular price $10995
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Plant Size

Planting & Care

Where to Plant

  • Sunlight: For the best fall color and heavy flowering, plant your Sourwood in full sun (6 or more hours of direct light). It can tolerate partial shade, but the foliage will be less vibrant and the white bell-shaped blooms will be sparse.
  • Soil: This tree demands acidic, well drained soil rich in organic matter. If you have heavy clay, plant it on a slight mound to ensure the roots do not sit in water, and mix in peat moss or pine bark to lower the pH and improve drainage.

Watering Requirements

During the first two years, provide 1 to 2 inches of water per week to help the shallow root system establish. Once mature, Sourwoods are moderately drought tolerant, but inconsistent moisture during hot summers can cause the leaves to brown at the edges or drop early. Think of consistent moisture as the fuel that keeps the brilliant scarlet fall color from burning out prematurely.

Pruning Tips

Sourwoods bloom on new wood, so any necessary shaping should be done in late winter or very early spring before new growth starts. Limit pruning to removing crossing branches or damaged limbs, as this tree naturally maintains a tidy, pyramidal shape. Minimal pruning is best because the unique "alligator bark" and weeping flower panicles are the main attractions that you do not want to accidentally cut away.

Fertilizer Needs

Apply a slow release fertilizer formulated for acid loving plants, such as an azalea or holly food, in early spring before the buds break. Avoid using high nitrogen fertilizers in late summer, as this encourages soft new growth that will not have time to harden off before the first frost. This late season growth is highly susceptible to winter kill, which can damage the overall structure of the tree.

Delivery and Shipping

Shipping Rates

Ships in 7-10 business days • Tracking provided • Weather protected

Under $50 $9.99
$50 - $99.99 $14.99
$100 - $149.99 $16.99
$150 - $198.99 $24.99
$199+ FREE

✓ Zone-specific timing • ✓ Professional packaging • ✓ Health guarantee

Specifications

Plant specifications
Plant Characteristics Cold hardy, Native, Flowering, Fragrant, Fall Color/Interest, Thornless, Drought resistant, Evergreen, Self-pollinating
Hardiness Zone 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
Sunlight Full sun, Partial shade
Height 20-30 ft
Width 10-15 ft
Watering Needs Moderate
Preferred Soil Loamy, Peaty
Growth Rate Slow
Blooms In Summer
Flower Color White
Fragrant Yes
Native Yes
Suitable Space Outdoors
Botanical Name Oxydendrum arboreum
Species arboreum
Class Ericales
Does Not Ship To AK, HI, ID, MT, PR

Frequently Asked Questions

What does a sourwood tree look like?

  • Sourwood is a compact deciduous tree with a romantic weeping habit, featuring downward-drooping branches and glossy 8-inch green leaves. In early summer, fragrant white urn-shaped flowers bloom in long panicles, followed by spectacular fall color in scarlet, burgundy, and crimson. Choose this native for acidic, well-draining soil where you want reliable seasonal interest.

What USDA hardiness zones can Sourwood trees grow in?

  • Sourwood trees thrive in USDA hardiness zones 5-9. They're naturally adapted to southeastern U.S. conditions and prefer well-draining, acidic soils. Check your zone compatibility when you shop at Nature Hills to ensure this stunning native will flourish in your landscape.

How tall and wide does a mature Sourwood tree get?

  • Sourwood trees typically reach 25-30 feet tall and 20 feet wide at maturity. This compact size makes them perfect for smaller yards and modern lots. Plant with 20-25 feet of clearance from structures to allow for full development.

Are Sourwood trees deer resistant?

  • Sourwood trees are generally deer resistant due to their naturally sour-tasting leaves that give the tree its name. The acidic foliage tends to deter browsing deer from feeding on this native ornamental. Plant in areas with dry, acidic soil for best results and natural deer deterrence.

What are good companion plants to grow near a Sourwood tree?

  • Sourwood thrives with acid-loving companions like azaleas, rhododendrons, and mountain laurel that share its preference for well-draining, acidic soil. Understory plants like ferns and hostas work well beneath its weeping canopy. Find these perfect companions available at naturehills.com.

Does the Sourwood tree require regular pruning or special maintenance?

  • Sourwood trees are naturally low-maintenance and rarely need pruning due to their compact size and attractive weeping form. Any pruning should be done in late winter to maintain their graceful drooping branch structure. Simply remove dead or damaged wood as needed.

What soil ph does it prefer?

  • Sourwood trees prefer acidic soil with a pH between 4.5-6.0. They naturally grow in acidic forest soils and struggle in alkaline conditions. Test your soil before planting and amend with sulfur or peat moss if needed to lower pH.

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