North America Non-native Plant

Culver’s Root

Botanical name: Viburnum farreri

USDA symbol: VIFA4

Native status: Not native but doesn't reproduce and persist in the wild

Synonyms: Viburnum fragrans Bunge (VIFR3)   

Fragrant Viburnum: A Winter-Blooming Beauty for Your Garden When most of the garden world is still fast asleep, Viburnum farreri (also known by its synonym Viburnum fragrans) is already putting on quite the show. This deciduous shrub has earned its place in gardens worldwide thanks to its remarkably early flowering ...

Fragrant Viburnum: A Winter-Blooming Beauty for Your Garden

When most of the garden world is still fast asleep, Viburnum farreri (also known by its synonym Viburnum fragrans) is already putting on quite the show. This deciduous shrub has earned its place in gardens worldwide thanks to its remarkably early flowering habit and intoxicating fragrance that can perfume an entire corner of your yard.

What Makes This Viburnum Special?

Viburnum farreri stands out from the crowd with its unique timing. While other shrubs are still dormant, this beauty begins blooming in late winter to early spring, sometimes even pushing through light snow. The clusters of small, tubular flowers start as pink buds and open to reveal white or pale pink blooms that release a sweet, honey-like fragrance on warm days.

This medium-sized shrub typically reaches 8-10 feet tall and 6-8 feet wide at maturity, with an upright, somewhat open growth habit. The oval, serrated leaves emerge bronze-green and mature to dark green, often turning attractive shades of red and purple in fall.

Where Does It Come From?

Originally hailing from northern China and Korea, Viburnum farreri has been cultivated in Western gardens since the early 1900s. While it’s not native to North America, it has proven to be a well-behaved garden citizen that doesn’t spread aggressively or outcompete native plants.

Why Gardeners Love (and Sometimes Don’t Love) This Plant

The biggest draw is undoubtedly those early, fragrant flowers that provide much-needed color and scent when little else is blooming. It’s also relatively low-maintenance once established and provides food for early pollinators emerging from winter dormancy.

However, some gardeners find the growth habit a bit gangly, and the flowers can be damaged by late frosts in some years. Since it’s not native, it also doesn’t support as many local insects and wildlife as native alternatives would.

Growing Viburnum farreri Successfully

This adaptable shrub thrives in USDA hardiness zones 5-8 and isn’t particularly fussy about growing conditions. Here’s what you need to know:

  • Light: Prefers full sun to partial shade
  • Soil: Well-draining soil is essential; tolerates various pH levels
  • Water: Moderate moisture needs; drought tolerant once established
  • Spacing: Allow 6-8 feet between plants for proper air circulation

Planting and Care Tips

Plant in spring or fall when temperatures are moderate. Dig a hole twice as wide as the root ball but no deeper. Water regularly the first year while the root system establishes, then reduce frequency as the plant becomes drought tolerant.

Pruning is minimal – just remove dead, damaged, or crossing branches right after flowering. Heavy pruning isn’t recommended as it can reduce next year’s bloom display.

A 2-3 inch layer of mulch around the base helps retain moisture and suppress weeds, just keep it away from the trunk.

Wildlife and Pollinator Benefits

The early flowers are particularly valuable for bees and other pollinators emerging from winter dormancy when few other nectar sources are available. The red berries that follow in summer provide food for birds, though they’re not as abundant as those on some other Viburnum species.

Consider Native Alternatives

While Viburnum farreri is a lovely garden plant, consider these native Viburnum species that offer similar benefits while supporting more local wildlife:

  • American cranberrybush (Viburnum opulus var. americanum)
  • Nannyberry (Viburnum lentago)
  • Arrowwood viburnum (Viburnum dentatum)
  • Blackhaw viburnum (Viburnum prunifolium)

The Bottom Line

Viburnum farreri earns its garden space through sheer charm – those early, fragrant flowers can lift spirits after a long winter like few other plants can. While it’s not native, it’s also not problematic, making it a reasonable choice for gardeners who want reliable early season interest. Just remember to leave room in your landscape for native plants too, as they’re the backbone of a truly wildlife-friendly garden.

Culver’s Root

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Dipsacales

Family

Caprifoliaceae Juss. - Honeysuckle family

Genus

Viburnum L. - viburnum

Species

Viburnum farreri Stearn - Culver's root

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