North America Native Plant

Sourwood

Botanical name: Oxydendrum

USDA symbol: OXYDE

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Sourwood: The Sweet Native Tree That’ll Make Your Garden Sing If you’re looking for a native tree that delivers stunning seasonal interest without being a diva, let me introduce you to sourwood (Oxydendrum). This delightful eastern North American native might just become your garden’s new best friend – and the ...

Sourwood: The Sweet Native Tree That’ll Make Your Garden Sing

If you’re looking for a native tree that delivers stunning seasonal interest without being a diva, let me introduce you to sourwood (Oxydendrum). This delightful eastern North American native might just become your garden’s new best friend – and the local pollinators will thank you for it!

What Makes Sourwood Special?

Sourwood is like that friend who looks good in every season. In summer, it produces cascading clusters of creamy white, bell-shaped flowers that hang like delicate chandeliers from the branches. Come fall, this tree puts on a show that rivals any maple, turning brilliant shades of red and orange that practically glow in the landscape. Even in winter, its deeply furrowed bark adds textural interest to your garden.

As a perennial shrub or small tree, sourwood typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet in most garden settings, though it can reach 25-30 feet tall and 20 feet wide at maturity under ideal conditions.

Where Sourwood Calls Home

This native beauty naturally grows across a wide swath of the eastern United States, including Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Kentucky, Louisiana, Maryland, Mississippi, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Tennessee, Virginia, and West Virginia. Its native range primarily centers around the Appalachian Mountains and southeastern states.

Why Your Garden (and Local Wildlife) Will Love Sourwood

Here’s where sourwood really shines – it’s not just a pretty face! Those summer flowers are absolute magnets for bees, butterflies, and other pollinators. In fact, sourwood honey is considered such a delicacy that beekeepers specifically seek out areas where these trees grow. Talk about a sweet deal for your garden ecosystem!

Beyond the pollinator party, sourwood serves as an excellent:

  • Specimen tree for focal points
  • Understory tree in woodland gardens
  • Fall color accent in naturalized landscapes
  • Addition to native plant gardens

Growing Sourwood: The Inside Scoop

The good news? Sourwood isn’t particularly fussy, but it does have some preferences. This tree thrives in USDA hardiness zones 5-9, making it suitable for most temperate gardens.

Ideal growing conditions include:

  • Acidic, well-drained soil (it’s not fond of alkaline conditions)
  • Partial shade to full sun
  • Consistent moisture without waterlogging
  • Protection from harsh winds

Planting and Care Tips

Ready to welcome sourwood to your garden? Here’s how to set it up for success:

Planting: Spring is your best bet for planting. Choose a location that won’t become waterlogged but won’t dry out completely either – think goldilocks moisture levels.

Ongoing care: Once established, sourwood is fairly low-maintenance. Mulch around the base to help retain moisture and suppress weeds. This tree has a slow to moderate growth rate, so patience is key – but the wait is absolutely worth it!

Pruning: Minimal pruning required! Just remove any dead, damaged, or crossing branches as needed.

The Bottom Line

If you’re looking for a native tree that offers four-season interest, supports local wildlife, and doesn’t demand constant attention, sourwood deserves a spot on your wishlist. Its combination of summer flowers, spectacular fall color, and ecological benefits makes it a true garden gem. Plus, knowing you’re growing something that belongs in your local ecosystem? That’s the kind of gardening that feels good on multiple levels.

Just remember: good things come to those who wait, and sourwood’s slow to moderate growth means you’re investing in long-term garden beauty. But trust me – when those first flower clusters appear and the bees start their happy dance, you’ll know you made the right choice!

Sourwood

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Ericales

Family

Ericaceae Juss. - Heath family

Genus

Oxydendrum DC. - sourwood

Species

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA