Shrub · Adoxaceae
Arrowwood Viburnum
Viburnum dentatum
A hardy native shrub that delivers spring flowers, blue-black berries, and fiery fall color with hardly any effort.
Full sun
Every 5–10 days
USDA 2–8
5–10 ft · 1.5–3 m
Overview
Arrowwood viburnum makes growing feel almost too easy. It races out of the gate as a native of eastern North America, laughs off winters down to -40°F (-40°C), and takes whatever soil you throw at it. The name has real grit behind it too, since Native peoples once cut its straight young stems for arrow shafts.
This shrub keeps the rewards coming all season long. Flat-topped creamy-white flower clusters burst open in late spring, blue-black berries roll in through fall, and the leaves go out swinging in yellow, orange, and red. Birds dive in to strip the fruit as it ripens, so the plant pulls a whole crowd of wildlife into the garden.
Give it time and it builds into a rounded, multi-stemmed shrub of 5 to 10 feet (1.5 to 3 m), sending up suckers at the base to form a thicket if you let it run. The one real catch is a beetle, covered below. Stay on top of that and arrowwood rewards you and asks for almost nothing back.
Care
The short version: drop it into full sun to part shade in almost any well-drained soil, keep it watered while it settles in, and scout the twigs for viburnum leaf beetle eggs over winter.
Light
Arrowwood thrives in full sun to part shade. Pour on full sun for the heaviest flowering, fruit, and fall color, and even a spot with afternoon shade still performs well and slots right into a woodland edge.
Water
Keep the soil consistently moist, soaking it deeply while the shrub establishes and through any drought. Once it digs in, it shrugs off the odd dry stretch, so plan to water every 5 to 10 days depending on heat and soil.
Soil
Hardly any shrub is this unfussy about soil. Arrowwood charges ahead in clay, loam, sand, or shallow rocky ground as long as it drains, and it takes a wide pH from 5.5 to 8.0, acidic to alkaline.
Temperature
This cold-hardy native powers through from -40°F to 100°F (-40°C to 38°C), covering USDA zones 2 through 8. Winter cold is no obstacle, so plant it almost anywhere in the temperate range.
Humidity
Outdoor humidity barely registers for this shrub. Air movement matters more, since open, breezy growth keeps the foliage dry and shuts out pests.
Feeding
It hardly bothers with feeding in decent ground. A balanced slow-release fertilizer or compost in early spring does the trick, and an established shrub in good soil often roars along on nothing at all.
Pruning
Prune right after flowering in late spring to shape or thin the shrub, and yank suckers if you want to rein in its spread. The big play is winter scouting: cut out and burn any twigs loaded with viburnum leaf beetle eggs between October and spring.
Repotting
This is a landscape shrub, not a container plant, so it rarely needs repotting. If you are parking one in a nursery pot, bump it up once the roots start to circle or water blows straight through without soaking in.
Size & spacing
Expect a rounded shrub 5 to 10 feet (1.5 to 3 m) tall and about as wide, spreading 6 to 10 feet (1.8 to 3 m). Hand it that much room, or more if you want a second plant close by to power pollination.
When to plant
Arrowwood is woody and tough as nails, so skip the indoor seed trays entirely. Plant new shrubs out in spring or fall, watch the flowers pop in late spring, and let the berries color up from late summer into fall for the birds.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Plant: Spring or fall
- Harvest: Creamy-white flat-topped flower clusters in late spring (roughly March-May depending on region), followed by blue-black berries in late summer to fall
Hardiness
USDA hardiness zones: 2–8
Temperature: down to -46°C
Troubleshooting
Arrowwood shrugs off most trouble, and what does crop up lands on the leaves. One pest delivers the real damage and another just makes a mess. Match what you see below, then move fast before the leaf beetle in particular builds up steam.
Leaves chewed down to lace, with only the veins standing
Leaves stripped to a skeleton of veins point straight to the viburnum leaf beetle, the one bug that ranks arrowwood as its top pick. Larvae tear in during spring and the adults pick up the charge, so a rough year can clear a shrub fast. Get ahead of it: clip out the egg-laden twigs over winter, knock the larvae off small plants, and rally lady beetles and lacewings to finish the job.
Fix:
- Prune out and destroy egg-infested twigs between October and spring before eggs hatch
- Hand-remove or knock larvae off small plants
- Encourage natural predators such as lady beetles, lacewings, assassin bugs, and spined soldier bugs
- Treat heavy larval infestations with an appropriate labeled insecticide if needed
Speckled, sticky leaves and a burst of tiny white flies
A burst of tiny white flies off the leaves gives away a whitefly colony working the undersides, dotting the foliage and coating it in sticky honeydew that grows a black layer of sooty mold. Hit it head-on: blast the leaves with a hard jet of water to scatter the bugs, then chase them with insecticidal soap underneath. It looks dramatic but rarely lands a real blow.
Fix:
- Spray foliage with a strong stream of water to dislodge insects
- Apply insecticidal soap or horticultural oil to leaf undersides
- Encourage natural predators
Toxicity
Here is the win for a garden full of pets or kids: arrowwood viburnum is non-toxic straight through. The ASPCA lists it as safe for cats, dogs, and horses, and the berries feed the birds instead of hurting them. They run too tart for people to enjoy raw, but they will not poison a soul, so plant away.
Safe for
People · Cats · Dogs · Horses · Rabbits · Livestock · Birds
Cats None
Cats get a clear pass, since the ASPCA lists viburnum as non-toxic to them and a stolen nibble means nothing. Even a cat that really digs into the foliage faces no more than a passing upset stomach, the same as with any plant.
Dogs None
Dogs land in the safe column too under the ASPCA listing, so a curious chewer can work the leaves or berries without harm. A big mouthful of greenery might spark some mild, short-lived stomach upset, and that is the whole story.
Horses None
Horses can graze right alongside this shrub without a hitch, since viburnum packs no toxin known to affect them.
Rabbits None
Wild rabbits already tuck into arrowwood foliage, and it carries no poisoning risk at all. With a pet rabbit, ease any new green in slowly to keep its digestion humming along.
Livestock None
Cattle, goats, and sheep can browse the leaves and twigs without any trouble. This native shrub thrives along pasture edges and has zero record of poisoning stock.
Birds None
For birds it goes well past safe, since those blue-black berries become a star fall food that pulls songbirds straight in to feast on the ripe fruit.
People None
Nobody gets poisoned here, but skip snacking on the raw berries, which run tart and astringent and bring nothing to the table by the handful. Hand the fruit over to the birds instead.
No special handling required; as with any plant, ingesting large amounts of foliage or berries may cause mild stomach upset in pets.
Varieties
Most garden arrowwoods are named selections bred for tidier size, heavier fruit, or stronger fall color. These are the standouts you will run into most.
Blue Muffin
A compact powerhouse at 5 to 7 feet that pumps out a heavy crop of blue berries, all the more when a second arrowwood stands nearby to cross-pollinate it.
Chicago Lustre
A vigorous, upright form that shows off glossy dark green leaves and fires reliably late in the season.
Autumn Jazz
A vase-shaped shrub grown for a knockout fall show, when the leaves blaze into vivid yellow, orange, and red.
Companions
Arrowwood fruits far better with a second, different arrowwood nearby to pollinate it, and pairs well with shade plants at its feet. Keep it away from other beetle-prone viburnums.
Plant near
A different arrowwood viburnum cultivar: Provides cross-pollination that dramatically improves berry set.
Native ferns and shade perennials: Fill the shaded base of the shrub and thrive in the same moist, well-drained soil.
Keep apart
Other highly VLB-susceptible viburnums (e.g. V. opulus): Clustering preferred hosts together can concentrate viburnum leaf beetle pressure.
How to propagate
You can multiply arrowwood three ways, from quick and easy to slow and stubborn. Cuttings and layering give you an exact copy of the parent; seed is a long project for the patient.
Stem cuttingsModerate
Early to mid summer · 6 to 10 weeks to root
Cuttings are the go-to for cloning a named cultivar true to type. In early to mid summer, snip softwood cuttings from the fresh new growth, dip the ends in rooting hormone, and keep them humming under high humidity. Watch roots push out over the next 6 to 10 weeks.
SeedDemanding
Collect ripe fruit in fall · Several months to over a year (needs warm then cold stratification)
Seed is the long game and a real test of patience. Gather ripe fruit in fall, then brace for complex double dormancy that demands a warm spell and then a cold one. Germination can stretch from several months to more than a year and pops up in fits and starts.
LayeringEasy
Spring to summer · One growing season or more
Layering is the easiest win of all, and the shrub half does it for you. Anytime from spring through summer, pin a low branch to the soil and let it root over a full growing season or more. Natural suckers also shoot up around the base, ready to dig and divide into fresh plants.
Myths
The berries are poisonous to pets and people.
Not so, and that is great news for the garden. The ASPCA lists viburnum as non-toxic to cats, dogs, and horses, so the blue-black fruit threatens none of the animals around it. The berries are valuable bird food, not a hazard, even though they run far too tart for anyone to enjoy raw by the handful.
One arrowwood viburnum will always fruit heavily on its own.
A solo shrub tends to set a thin crop and leave you wanting more. Cross-pollination from a second, genetically different arrowwood drives fruit set way up, so planting two or more of different cultivars or seedlings unlocks a full, loaded show of berries.