Shrub · Oleaceae
Privet
Ligustrum vulgare
A tough, quick-growing hedge that'll take almost any shape you shear it into, though it slips out of the garden and poisons grazing animals.
Full sun
Every 7–14 days
USDA 4–8
10–15 ft · 3–4.6 m
Overview
Privet's the go-to hedge for good reason. It's a fast, bushy shrub in the olive family, and it handles hard shearing better than just about anything else you could plant. It greens up early, hangs onto its small oval leaves late in the year, and puts out spikes of white flowers in late spring that turn into clusters of dark berries. Cheap, quick, and hard to mess up, so what's not to like?
Well, here's the snag. Birds love the berries and drop the seed all over the woods and field edges, and that's where privet packs itself into dense thickets that shove native plants out. A bunch of species are listed or regulated as invasive, and common privet's flagged as a significant threat in some places, so where you put it really does matter.
And it's poisonous, too. The leaves and especially the berries carry compounds that are toxic to pets, livestock, and people, so it pays to pick its spot with care, shear it before it fruits, and keep it away from anything that grazes. Do that, and it's still one of the easiest, most forgiving shrubs around.
Care
The short version: pop privet in full sun to part shade in any soil that drains, keep new shrubs watered till they root and then pretty much leave them alone, and shear it to shape in late spring after it flowers.
Light
Privet's happiest and thickest in full sun, but it'll take partial sun and partial shade just fine. More light means a tighter, fuller hedge, while too much shade thins it out and leaves gaps you'll be working to fill back in.
Water
Keep new plantings watered until they root, then you can ease way off, because a settled privet handles moist to occasionally dry soil without much help. Let the top half of the soil dry out between waterings, so roughly every 7 to 14 days while it's getting established.
Soil
Honestly, almost any soil works, clay, loam, or sand, as long as it drains. Aim for a pH somewhere between 6.0 to 7.5, which is what most garden soil already is, so you probably won't have to do a thing.
Temperature
Privet's genuinely tough with weather, shrugging off winter cold down to about -29°F (-34°C) and summer heat up to 100°F (38°C). That's a huge range, and it's a big part of why the plant does well in so many places.
Humidity
Whatever the outdoor air's doing is fine, so there's no number to worry about. What actually matters is decent air movement, because a crowded, stuffy hedge is asking for leaf spot and mildew.
Feeding
In average soil, privet barely needs feeding at all. If it's looking a bit weak, a balanced granular fertilizer in spring does the trick, but don't go overboard, since too much just pushes soft growth that bugs love.
Pruning
This is where privet really earns its spot, taking hard shearing like it's nothing. Shape it as a hedge in late spring once the flowers fade, or just keep clipping through the season, and cutting before the fruit sets helps stop its seed from spreading.
Repotting
Privet's rarely grown in a pot, so repotting hardly ever comes up. But if you've got one in a container, bump it up a size when the roots start circling or poking out the drainage holes and water runs straight through.
Size & spacing
Leave it be and privet gets to 10 to 15 feet (3 to 4.5 m) tall with a spread of 8 to 15 feet (2.4 to 4.5 m). For a proper hedge, space the plants a bit closer than that full spread and shear them into one long unbroken line.
When to plant
Timing's about as low-stress as it gets with privet. Plant it out in spring or fall while the soil's easy to work, keep an eye out for the white flowers around June, and shear it once the blooms are done, ideally before those berries form and scatter.
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: White flowers in late spring to early summer (around June)
Hardiness
USDA hardiness zones: 4–8
Temperature: down to -34°C
Troubleshooting
Good news first: privet's really hard to kill, so most of what goes wrong is more of an eyesore than a death sentence. You'll mostly spot marked or chewed leaves and a few sap-feeding bugs, and the only thing that'll actually take a whole plant down is root rot in soggy ground. Find what matches below and jump on it early.
The whole shrub drooping and yellowing in wet soil
When a normally bulletproof privet starts wilting and going yellow, it's usually root rot in soil that just won't drain. Dig around a bit and you'll find dark, mushy, rotted roots sitting in soggy ground. Fix the drainage and stop overwatering, but if it's really far gone, it's kinder to pull it and start over somewhere drier.
Fix:
- Improve drainage and stop overwatering
- Remove severely affected plants
- Replant in well-drained soil
Spotty leaves, dying twigs, and sunken cankers
Dark spots, dying twigs, and sunken sores on the stems usually mean anthracnose or twig blight, and a white dusty coating on the leaves is powdery mildew. Cut out the infected wood and get rid of it, then thin the canopy so air can move through. Water down at the base and rake up fallen leaves, and the spores won't get a foothold.
Fix:
- Prune out and destroy infected twigs and branches
- Improve air circulation by thinning the canopy
- Avoid overhead watering and clean up fallen leaves
White fuzzy bugs and a sticky film on the leaves
Those cottony white bugs and that tacky film are whiteflies or white peach scale drinking the sap. Blast the whiteflies off with a strong jet of water, then coat the undersides of the leaves with horticultural oil or insecticidal soap. Keep at it until the sticky honeydew and black sooty mold are gone.
Fix:
- Spray foliage with a strong jet of water to dislodge whiteflies
- Apply horticultural oil or insecticidal soap, coating undersides of leaves
- Repeat applications per label until populations decline
Scalloped leaf edges and growth that's gone flat
See those notches nibbled into the leaf edges? That's a weevil, either the ligustrum or Japanese kind, feeding at night while its grubs chew away at the roots. Shake the adults onto a cloth early in the morning, and only bother with a labeled insecticide if the damage gets really bad. A healthy, well-watered privet won't even notice the cosmetic chewing.
Fix:
- Handpick or shake adults onto a cloth in early morning
- Apply a labeled insecticide if damage is heavy
- Maintain plant vigor with proper watering
Toxicity
Here's the thing: treat all of privet as poisonous and you'll be fine. The leaves and dark berries hold cardiac glycosides, saponins, and protoanemonin, and the berries are where the real danger sits. Eat them and you're looking at vomiting and diarrhea, plus wobbliness and heart effects after a bigger dose, and it can even kill horses and other livestock. So keep the berries and prunings well away from animals and little kids.
Toxic to
Cats · Dogs · Horses · Rabbits · Livestock · Birds · People
Cats Mild
A cat that chews on the leaves or berries usually ends up drooling, ignoring its food, and dealing with an upset stomach and diarrhea. Most of the time it stays mild, but the dark berries pack the most toxin, so keep a nosy cat well away from them.
Dogs Mild
Dogs tend to react with drooling, a sore belly, and loose stools, and they might seem kind of low afterward. The usual way they get into trouble is wolfing down a pile of dropped berries or fresh clippings.
Horses Severe
Privet hits horses hard, so don't take chances. Watch for colic, a painful gut, drooling, and an animal that seems dull and unsteady, and know that a big feed of leaves or berries can be fatal. Treat any suspected case as an emergency.
Rabbits Toxic
The same glycosides that poison other animals make privet a no-go for rabbits, bringing on gut upset and lethargy. Don't ever offer them the leaves or berries, not even a tiny bit.
Livestock Severe
Cattle, goats, and sheep can end up with serious gut trouble and colic from the leaves and fruit, and a heavier feed turns deadly. Fence privet out of the pasture and bin the prunings instead of tossing them where animals graze.
Birds Toxic
Wild birds swallow the berries whole and pass the seed just fine, which is exactly how privet spreads, but the leaves and fruit aren't safe for pet birds at all. Keep cage birds well clear of any trimmings.
People Caution
No part of privet's food, plain and simple. The berries are the big hazard, and eating them can bring on vomiting and diarrhea, with wobbliness and heart effects after a larger dose. Keep the berries out of reach of little kids.
Keep berries and prunings away from pets and grazing animals; clip flower panicles before berries form to limit fruit on the plant.
Helpline numbers
United States
ASPCA Animal Poison Control: (888) 426-4435 (fee applies)
Poison Control: (800) 222-1222
Canada
Poison Centres: 1-844-764-7669
Varieties
Privet isn't just one plant, it's a whole bunch of close relatives, from shrubs right up to small trees. The ones you'll bump into most get grown for quick hedging or bright leaves, even if a few of them have a real knack for spreading where they shouldn't.
Ligustrum sinense (Chinese privet)
It's a semi-evergreen hedging privet that's gone seriously invasive across the eastern and southern US, throwing up dense thickets from seed the birds scatter.
Ligustrum japonicum (Japanese / wax-leaf privet)
A warm-climate favorite with big, glossy, thick evergreen leaves that's also slipped into the wild across parts of the southern US.
Ligustrum lucidum (glossy privet)
This one's tree-sized and glossy, listed as a noxious weed in California and running wild through much of the South.
Ligustrum × vicaryi (golden privet)
Grown for its bright golden-yellow leaves, which get their best color when it's sitting in full sun.
How to propagate
Want more privet? That's the easy part, maybe too easy. It'll grow from cuttings, from seed, and from branches that root themselves, which is exactly why it takes off once it gets loose.
Stem cuttingsEasy
Softwood cuttings in late spring/early summer or hardwood cuttings in late fall to winter · 4 to 8 weeks to root
Privet roots from cuttings almost without trying. Take softwood cuttings in late spring or early summer, or hardwood cuttings from late fall into winter, and they'll strike roots in 4 to 8 weeks. That eagerness is a big reason the plant sets itself up so aggressively in the first place.
SeedEasy
From ripe black berries in fall · Germinates readily; seed is abundantly bird-dispersed
Those ripe black berries in fall are stuffed with seed that sprouts without any fuss. Privet self-sows like crazy, and birds fling that seed everywhere, which is the main reason it's so invasive. Snipping off the flowers before fruit sets is your best bet for keeping the volunteers down.
LayeringEasy
Spring through summer · Several weeks to months
Low branches will root wherever they touch the soil, taking anywhere from several weeks to a few months to grab hold. It sends up suckers too, so a single shrub can quietly widen out all on its own.
Myths
Privet's a harmless ornamental hedge you can plant anywhere.
Not quite, since privet rarely stays where you put it. Birds carry the seed deep into woods and along field edges, where it builds dense thickets that smother native plants, and several species are listed or regulated as noxious weeds. Check your local rules before planting, and honestly, a native hedge is worth a look.
Privet berries must be safe because birds eat them.
If birds can eat them they're safe, right? Not so fast. Birds digest the fruit no problem and drop the seed everywhere, but the berries and leaves are toxic to pets and livestock, packed with cardiac glycosides, saponins, and protoanemonin that birds just happen to tolerate.