North America Native Plant

Milkwood

Botanical name: Tabernaemontana

USDA symbol: TABER

Life cycle: perennial

Habit: shrub

Native status: Non-native, reproduces and persists in the wild in the lower 48 states âš˜ Native to Pacific Basin excluding Hawaii âš˜ It's either native or not native in Puerto Rico  

Milkwood: A Fragrant Beauty for Warm Climate Gardens If you’re looking to add some tropical flair to your warm-climate garden, milkwood (Tabernaemontana) might just catch your eye. This perennial shrub has been winning over gardeners with its intoxicatingly fragrant white flowers and glossy green foliage. But before you rush to ...

Milkwood: A Fragrant Beauty for Warm Climate Gardens

If you’re looking to add some tropical flair to your warm-climate garden, milkwood (Tabernaemontana) might just catch your eye. This perennial shrub has been winning over gardeners with its intoxicatingly fragrant white flowers and glossy green foliage. But before you rush to the nursery, let’s dive into what makes this plant tick and whether it’s the right fit for your garden.

What Is Milkwood?

Milkwood is a multi-stemmed woody shrub that typically grows between 4 to 16 feet tall, though it can sometimes stretch taller under the right conditions. True to its shrub nature, it develops several stems from near the ground, creating a full, bushy appearance that works beautifully as a specimen plant or part of a mixed border.

One of the most distinctive features of milkwood is its milky white sap – hence the common name. This sap appears when you break a stem or leaf, so it’s something to keep in mind if you have curious kids or pets around.

Where Does Milkwood Come From?

Here’s where things get a bit complicated. Milkwood isn’t native to the continental United States – it’s actually an introduced species that has made itself at home in Florida, Palau, and Puerto Rico. Originally from tropical regions around the world, this plant has a knack for adapting to new environments and can reproduce on its own once established.

The Appeal: Why Gardeners Love Milkwood

So what’s all the fuss about? Milkwood brings several appealing qualities to the garden:

  • Fragrant flowers: The white, pinwheel-shaped blooms release an intense, sweet fragrance that’s especially noticeable in the evening
  • Year-round interest: As a perennial, it provides structure and greenery throughout the growing season
  • Pollinator magnet: Butterflies and moths can’t resist those fragrant flowers
  • Low maintenance: Once established, it’s fairly easy to care for

Growing Conditions and Care

Milkwood is definitely a warm-weather lover, thriving in USDA hardiness zones 9 through 11. If you live somewhere that gets frost, this isn’t the plant for you unless you’re willing to grow it in containers and bring it indoors during winter.

For successful growing, milkwood prefers:

  • Light: Full sun to partial shade (though it flowers best with plenty of sunshine)
  • Soil: Well-draining soil is essential – soggy roots are a death sentence
  • Water: Regular watering during the growing season, but don’t let it sit in water
  • Temperature: Warm temperatures year-round; protect from any frost

Planting and Maintenance Tips

Getting milkwood established in your garden is fairly straightforward:

  • Plant in spring after any danger of frost has passed
  • Space plants adequately to allow for their mature size
  • Water regularly during the first growing season to help establish roots
  • Prune occasionally to maintain shape and remove any dead or damaged growth
  • Apply a balanced fertilizer during the growing season for best flowering

Garden Design Ideas

Milkwood works beautifully in several garden settings:

  • Tropical gardens: Perfect for creating that lush, exotic feel
  • Butterfly gardens: Those fragrant flowers are pollinator magnets
  • Fragrant gardens: Plant near patios or walkways where you can enjoy the evening scent
  • Mixed borders: Provides structure and year-round interest

Should You Plant Milkwood?

The decision ultimately depends on your location and gardening goals. If you live in zones 9-11 and want a fragrant, low-maintenance shrub that attracts pollinators, milkwood could be a good choice. However, since it’s not native to most of the United States, you might want to consider native alternatives first.

Some native options that provide similar benefits include native gardenias, native honeysuckles, or regional native shrubs that support local wildlife. These plants will be better adapted to your local conditions and provide more comprehensive ecosystem benefits.

If you do decide to grow milkwood, just be mindful of its growth habits and keep an eye on how it behaves in your garden. While it’s not currently listed as invasive, introduced plants can sometimes spread beyond where we want them.

The Bottom Line

Milkwood offers undeniable charm with its fragrant flowers and attractive foliage, making it a tempting choice for warm-climate gardeners. While it’s not native to most of the US, it can be a reasonable addition to your garden if you’re in the right climate zone and looking for something a bit different. Just remember to consider native alternatives first, and if you do plant milkwood, enjoy those heavenly evening fragrances – they’re truly something special.

Milkwood

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

Gentianales

Family

Apocynaceae Juss. - Dogbane family

Genus

Tabernaemontana L. - milkwood

Species

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