// SPECIES PROFILE · SHRUB · NATIVE

Spicebush

Lindera benzoin

Spicebush (Lindera benzoin) is a multi-stemmed deciduous shrub of moist eastern woodlands — chartreuse-yellow flowers explode along bare twigs in earliest spring, glossy oval leaves smell of citrus and clove when crushed, and brilliant scarlet drupes ripen on female plants in September on the easternmost edge of its range in NE Oklahoma. It is the sole larval host plant for the spicebush swallowtail butterfly (Papilio troilus) in our region.

// QUICK FACTS

Family: Lauraceae
Group: Shrub — deciduous, multi-stemmed
Native range: Eastern N. America from southern Maine to north Florida and west to E. Oklahoma / E. Texas
USDA hardiness: Zones 4–9
Mature size: 6–12 ft tall × 6–12 ft wide
Sun: Part to full shade — understory specialist
Soil: Moist, fertile, slightly acidic to neutral; good drainage
Water: Consistent moisture; not drought-tolerant
Sex: Dioecious — need male and female for fruit
Bloom: Late Feb–early April, before leaves emerge
Fruit ripe: Sept–Oct, scarlet drupes 8–10 mm, female plants only
Wildlife: Spicebush swallowtail host · 24+ bird spp eat fruit · ruby-throated hummingbird

Spicebush (Lindera benzoin) — *Lindera benzoin*. Photo via Wikipedia / Wikimedia Commons.

Identification

[ field key — habit · foliage · flowers/fruit · lookalikes ]

Habit & bark

Open, rounded multi-stemmed shrub typically 6–12 ft in cultivation, occasionally to 15 ft on rich bottomland sites in the Ozarks. Bark is smooth, olive-brown to gray, dotted with conspicuous lighter lenticels (raised pores). Twigs are slender, slightly zigzag, and break with a sharp aromatic snap. Crushed bark releases the same citrus-clove perfume as the foliage — the diagnostic field check.

Foliage

Alternate, simple, obovate leaves 3–6 in long with smooth (entire) margins and a tapering base, light green above and slightly paler beneath. Crush a leaf and you get an unmistakable spicy lemon-clove aroma — this single trait separates spicebush from every other regional understory shrub. Fall color is a clean, soft yellow that lights up shaded woodland floors.

Flowers & fruit

Tiny chartreuse-yellow flowers in dense clusters along the bare twigs in earliest spring (often Feb–March in NE Oklahoma, weeks before redbud), giving the whole shrub a soft yellow haze visible from a distance. Plants are dioecious: only female plants set fruit. Fruits are oblong drupes 8–10 mm long, ripening from green through bright orange-red to brilliant scarlet in September — one of the showiest small fruits of the eastern woodland.

Lookalikes

Easily separated from Hamamelis virginiana (witch hazel) by the smaller smooth-margined leaves and earlier bloom; from Asimina triloba (pawpaw) by alternate (not whorled) smaller leaves and the strong spice aroma; from Cornus florida seedlings by the alternate leaves and aromatic twigs (dogwood is opposite-branched). The crushed-leaf aroma alone is diagnostic in our flora.

Habitat & Range in NE Oklahoma

Lindera benzoin reaches the western edge of its continental range in eastern Oklahoma. Look for it on rich, moist, well-drained slopes and stream-bench woodlands of the Ozark Plateau (Adair, Cherokee, Delaware counties), the Ouachita Mountains (Le Flore, McCurtain), and along shaded creek bottoms within the eastern Cross Timbers near Tulsa. It is uncommon to absent west of the Cross Timbers ecotone — soils become too dry and alkaline.

Across its range it is a classic mesic understory species: tolerant of deep shade under closed sugar-maple/oak/beech canopy, intolerant of drought and full afternoon sun. In NE Oklahoma it indicates higher-quality second-growth woodland and is a useful sign of intact forest hydrology. Garden specimens west of I-35 require deliberate site selection — north-facing slope or east-side foundation, irrigated through summer dry spells — to thrive.

Ecology & Wildlife Value

[ wildlife · pollinators · interactions · conservation ]

Spicebush swallowtail

Spicebush is the sole regional larval host for Papilio troilus, the spicebush swallowtail. Caterpillars are unmistakable — bright green with two large false-eyespots that mimic a snake’s face. They fold a leaf into a tube as a daytime shelter. Sassafras albidum is the only other regional Lauraceae they will use. A small thicket of three or four spicebush will reliably host a brood every summer.

Birds & seed dispersal

The lipid-rich red drupes are a top fall fuel for southbound migrants. Wood thrush, veery, gray catbird, eastern bluebird, American robin, hermit thrush, northern flicker, red-eyed vireo and ruffed grouse all feed heavily; over 24 bird species are documented. The fruit ripens precisely as the fall warbler/thrush wave passes through eastern Oklahoma.

Pollinators

Early flowers feed emerging native bees (Andrena, Osmia) and small flies during a window when little else is in bloom. Ruby-throated hummingbirds arriving on northbound migration in late March visit the flowers regularly. Spicebush is a critical early-spring food bridge for cavity-nesting bees in restored woodlands.

Deer resistance

The aromatic terpenes in leaf and twig (cineole, eugenol-related compounds) make spicebush strongly deer-resistant — one of the few deciduous shrubs that can establish without fencing in the deer-heavy Ozark/Ouachita woodlands. This is a major practical advantage over native viburnums on the same sites.

You need both sexes for fruit. Spicebush is dioecious. A solitary plant will flower beautifully every spring and never set a single drupe. For the scarlet fall fruit display, plant a group of 3–5 seedlings — statistically you'll get at least one male and one female — or buy sex-identified named cultivars (rare in the trade) and pair them deliberately. A male within ~100 ft will pollinate multiple females.

Horticulture & Care

[ siting · planting · maintenance · pests ]

When to plant intentionally

Choose spicebush for the back of a shaded foundation bed, the edge of a woodland-restoration planting, beneath open-grown post oak or pecan, or as the keystone shrub of a small native woodland understory. It is the single best choice for a moist part-shade NE Oklahoma yard that wants swallowtail breeding habitat plus four-season interest: chartreuse March bloom, clean green summer foliage, scarlet September fruit on female plants, and butter-yellow October fall color.

Planting & establishment

Season: fall through early spring while dormant; container stock can also go in during a wet April week.
Sun: dappled to deep shade; up to half-day morning sun if the root zone stays consistently moist.
Soil: rich, moist, well-drained, slightly acidic to neutral (pH 5.5–7.0). Amend heavy clay with leaf mold or composted bark before planting.
Spacing: 6–8 ft on-center for a thicket; 10–12 ft as standalone specimens.
Water: 1–2 in/week during the first three growing seasons; do not let it dry out the first summer or it will defoliate.
Mulch: 3–4 in shredded hardwood or leaf-mold mulch out to the drip line; refresh annually.
Fertilizer: none needed if mulched; an inch of compost top-dress in early spring is enough.

Pruning

Spicebush needs almost no pruning. Remove dead twigs in late winter; renewal-prune one or two of the oldest stems at ground level every 3–4 years on older specimens to keep them vigorous. Avoid late-summer pruning — you will remove next year’s flower buds.

Pests & diseases

Laurel wilt (Raffaelea lauricola, vectored by the redbay ambrosia beetle) — a serious emerging threat to all native Lauraceae in the southeast US. Has been confirmed in Arkansas; not yet established in Oklahoma. Monitor and report sudden wilting/dieback to the OSU Extension plant diagnostic lab.
Spicebush swallowtail caterpillars chew small holes — desired feature, not a pest; never spray.
Generally pest-free in cultivation; deer-resistant.

Cultural & Material Uses

Spicebush has a long history of human use across its eastern range, all of it tied to the same aromatic essential oils that make the plant unmistakable in the field.

Colonial-era spice substitute: British settlers in the Appalachian and Ohio Valley frontier dried and ground the ripe red drupes as a substitute for the imported allspice (Pimenta dioica) they could no longer obtain — the dried fruit gives a warm peppery-clove flavor used in cakes, sausages, and pickling spice.
Spicebush tea: Twigs, bark, and leaves were brewed by Indigenous peoples and later by settlers as a bracing aromatic tea, used both as a beverage (especially in early spring when nothing else was green) and as a folk treatment for colds, fever, and intestinal complaints. It contains no caffeine.
Indigenous medicinal uses: The Cherokee, Iroquois, Mohegan, and other Eastern Woodland nations used various preparations of bark, twigs and berries for fevers, dysentery, colds, gas, and as a 'spring tonic' — documented in Daniel Moerman’s Native American Ethnobotany.
Wild-foods foraging: Modern foragers (Samuel Thayer, Steve Brill) describe spicebush as one of the eastern woods’ most distinctive wild seasonings — ripe dried berries are ground for game-meat rubs, twigs are simmered for tea, and young leaves are chopped into salads.
Ecological-restoration plantings: Native-plant nurseries across the eastern US sell straight-species spicebush (rarely sex-identified) for woodland-edge restoration, riparian buffer plantings, and pollinator-corridor projects. It is one of the species recommended in OSU Extension’s eastern OK woodland-restoration guidelines.

Sources & Further Reading

USDA NRCS PLANTS Database — Lindera benzoin: https://plants.usda.gov/plant-profile/LIBE3
USDA Forest Service Silvics of North America (Hardwoods) — Lindera benzoin: https://www.srs.fs.usda.gov/pubs/misc/ag_654/volume_2/lindera/benzoin.htm
Lady Bird Johnson Wildflower Center — Native Plant Database, Lindera benzoin: https://www.wildflower.org/plants/result.php?id_plant=libe3
Missouri Botanical Garden Plant Finder — Lindera benzoin: https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=275660
OSU Extension — native woodland and riparian plantings for eastern Oklahoma.
Moerman, D. (1998), Native American Ethnobotany, Timber Press — Lindera benzoin entries.
Tallamy, D.W. (2007/2020), Bringing Nature Home — spicebush as keystone shrub of eastern deciduous forest insect communities.
USDA APHIS — Laurel Wilt disease alert and quarantine information.: https://www.aphis.usda.gov/aphis/ourfocus/planthealth/plant-pest-and-disease-programs/pests-and-diseases/laurel-wilt
Wikipedia — Lindera benzoin: https://en.wikipedia.org/wiki/Lindera_benzoin

Photos courtesy of Wikimedia Commons contributors under their respective licenses.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In a shaded woodland understory, spicebush pairs naturally with: american hornbeam (Carpinus caroliniana), crossvine (Bignonia capreolata), american alumroot (Heuchera americana), inland sea oats (Chasmanthium latifolium), american beautyberry (Callicarpa americana), and black cherry (Prunus serotina).

Site spicebush on the woodland edge or in the mid-layer of a guild beneath taller canopy trees.