Shrub · Thymelaeaceae
Winter Daphne
Daphne odora
Almost nothing perfumes a cold garden the way daphne does, yet every part of it is poisonous.
Partial shade
Every 5–10 days
USDA 7–9
3–6 ft · 0.9–2 m
Overview
Winter daphne wins you over with scent alone. At the deadest point of the year it unfurls little clusters of pink-and-white flowers whose perfume carries across a whole corner of the garden, and its glossy evergreen leaves hold their polish through the rest of the seasons. Native to China and Japan, the shrub sits happiest in zones 7 to 9, where the winters stay soft enough to coax those blooms open.
This is a slow, particular shrub that pays back the right spot and broods in a poor one. Daphne asks for part shade, soil that drains sharply, and a permanent home, because nothing offends it like a disturbed root. Place it well on the first try and a strong plant will hand you years of fragrance in the depths of winter.
One fact shadows all the rest: this shrub is seriously poisonous. The leaves, bark, sap, and most of all those glossy berries will burn the mouth and gut of anything that chews them, and even a smear of sap will blister bare skin. It is a lovely plant for the right plot, but weigh it carefully before setting it where children or pets pass through.
Care
The short version: set winter daphne in part shade on a slight mound of sharply drained soil, water with a careful hand so the roots never stand wet, and choose its forever spot at the outset, since moving it is something it will not forgive.
Light
Winter daphne thrives in part shade, yet it will accept part sun or even full sun where the summers stay cool. Fierce afternoon sun wears it down, and heavy shade thins out the flowers, so the ideal landing spot is dappled light or a place that catches morning sun.
Water
Keep it damp yet never waterlogged, reaching for the can only after the surface inch has dried out, which tends to land at every 5 to 10 days. The plant is tender at both extremes, harmed by drought but killed far more often by too much water, so lean toward the dry side and see that water drains off quickly.
Soil
Give it rich, sandy, humus-filled loam with sharp drainage, because soggy roots are the fastest way this shrub dies. A pH near 6.0 to 7.0 is what it likes, and perching the plant on a low mound lifts the crown above any pooling water.
Temperature
Daphne copes with a span of roughly 10°F to 90°F (-12°C to 32°C), settling it squarely in zones 7 to 9. Once it is established, ordinary winter chill rolls off it, but hard freezes and drawn-out heat both wear on it.
Humidity
Plain outdoor moisture is all it needs, so there is no target to chase. What counts far more is moving air, since stagnant, damp conditions are exactly what stir up the leaf spot and blight daphne falls prey to.
Feeding
Daphne eats lightly. Hand it a single dose of balanced fertilizer in spring once the flowers have faded, and stop there. On a shrub this slow and choosy, frequent or heavy feeding does more harm than help.
Pruning
Daphne seldom wants the blade. Tip prune lightly straight after flowering to head off legginess, and leave it at that. It will take a harder cut but rarely asks for one, and since every snip risks a brush with its irritant sap, keep your gloves on.
Repotting
Count on barely ever shifting it. Daphne hates a disturbed root and most plants will not survive a move, so settle on its lasting home well ahead of digging the hole. In a pot, fading vigor, roots winding out the drainage holes, and soil that dries fast all signal it has outgrown its container.
Size & spacing
Winter daphne climbs slowly to around 3 to 6.5 feet (91 to 198 cm) tall and stretches 2 to 4 feet (61 to 122 cm) across. Leave each plant room for that full grown spread and for air to slip freely around it, which goes a long way toward keeping disease off.
When to plant
Daphne keeps its own calendar, flowering through the cold months when next to nothing else dares, from midwinter on into early spring depending on your zone. Set it out in spring or fall in a sheltered, partly shaded corner, and once the roots are down, leave it be for good.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Plant: spring or fall in a sheltered, partly shaded site
- Harvest: intensely fragrant pink-and-white flowers in mid to late winter and early spring (January-April depending on zone)
Hardiness
USDA hardiness zones: 7–9
Temperature: down to -18°C
Troubleshooting
Most of what ails a daphne begins below the soil or inside damp, packed growth, and the deadliest trouble shows up with barely a warning. Keep an eye on the base of the shrub and the cast of the leaves, and move at the first hint instead of waiting it out. The quicker you catch these signs, the better your chance of holding on to the plant.
A healthy plant suddenly wilts and dies
When a thriving shrub collapses overnight, look first at Phytophthora root and crown rot, the rot that takes hold in soggy ground and strangles the roots from underneath. Once the crown goes soft and mushy a daphne almost never pulls through, so lift it out, throw it away, and keep daphne out of that wet pocket of soil forever. Sort out the drainage right away, since a virus or a jostled root can drop the plant just as fast.
Fix:
- Improve drainage immediately; daphne cannot be reliably saved once crown rot is advanced
- Remove and discard severely affected plants to limit spread
- Do not replant daphne in the same poorly drained spot
Yellow leaves marked with spots, blight, or canker
Stale, moist air and tightly packed stems open the door to fungal leaf spot, botrytis, twig blight, and canker, seen as freckled leaves or caved-in sores along the wood. Cut away every spotted leaf and stem and throw them out. Thin the shrub so air can pass through it and keep the foliage dry, and the spotting usually backs off.
Fix:
- Remove and dispose of affected leaves and stems
- Improve air circulation and avoid wetting foliage
- Reduce overhead watering
Sticky residue and small bumps on stems and leaves
A tacky film over the leaves and warped fresh shoots usually mean aphids, mealybugs, or scale have settled in to drink the sap. Knock a thin colony loose with a hard blast from the hose. Should they cling on, reach for insecticidal soap or horticultural oil, then look the plant over again every week or two until none are left.
Fix:
- Wash off light infestations with a strong spray of water
- Treat with insecticidal soap or horticultural oil as labeled
- Repeat treatment as needed and monitor
Toxicity
Treat this plant with caution. Foliage, bark, sap, and most of all the bright, candy-colored berries are each poisonous, every one of them carrying the irritant compounds mezerein and daphnin. Children and grazing or browsing pets all need to stay clear of it, so wear gloves whenever you prune.
Toxic to
Cats · Dogs · Horses · Rabbits · Livestock · Birds · People
Cats Severe
One bite of any part scalds a cat's mouth and throat almost instantly, and the drooling, blistering, and violent vomiting come right behind it. Those shiny berries are the cruelest part: just a few can trigger bloody diarrhea, internal bleeding, convulsions, and a fatal end.
Dogs Severe
Bark, leaves, and berries raise blisters through a dog's mouth and gut and unleash heavy drooling, gagging, and bloody diarrhea. A bigger bite goes downhill quickly into internal bleeding, weakness, and seizures, so phone the vet straight away.
Horses Severe
Chewing the leaves or stems sears a horse's mouth and digestive tract, bringing on drooling, colic, and bloody diarrhea. Most horses spit out anything this bitter, yet even a nibble is enough to leave one ill and drained.
Rabbits Severe
The very mezerein and daphnin that sicken larger animals scald a rabbit's mouth and gut every bit as hard, and so small a body has almost nothing to spare. Keep this shrub far beyond the reach of any rabbit that wanders the garden.
Livestock Severe
Cattle, goats, and sheep that tear at the leaves or bark end up with raw mouth and gut, drooling, and bloody scouring. Wall daphne off from every grazing animal, because a hungry one might swallow a lethal amount.
Birds Severe
Those poisonous berries draw birds in while carrying the same irritant diterpenoids that wreck every other animal. Count the plant as unsafe near pet birds, and never trust wild ones to pass up the fruit.
People Caution
Nothing on winter daphne is edible, and the bare sap alone can blister exposed skin, so glove up before pruning and wash afterward. The trouble lies in the candy-bright berries, where a mere handful has sickened children with burning mouths, vomiting, and grave illness.
Wear gloves when pruning or handling; the sap can cause skin irritation and blistering (contact dermatitis). Keep the attractive berries away from children and pets.
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
Winter daphne shows up in a pair of variegated forms worth knowing, each grown for its painted leaves on top of the famous fragrance of the species.
'Aureomarginata'
A slim band of yellow runs around the rim of each leaf, and this form shrugs off cold a touch better than the plain species.
'Marginata'
Creamy margins outline every leaf on this one, while the powerful winter perfume of the species stays exactly the same.
How to propagate
Daphne multiplies slowly and bristles at any touch to its roots, so both methods call for a soft hand and a good deal of patience.
Stem cuttingsModerate
Summer, from semi-hardwood cuttings of the current season's growth · Several weeks to a few months to root
Cut semi-hardwood cuttings during summer off this year's stems. Rooting drags on, running from several weeks to a few months, so settle in for the wait. Daphne loathes any handling of its roots, so when a cutting roots, pot it once and do it gently.
LayeringModerate
Spring to summer · A season or more to root before separating
Layering asks far less of the plant. Bend a low branch down, peg it into the soil in spring or summer, and let it root where it lies over a season or more, then sever the young plant once it carries its own roots.
Myths
Winter daphne is a harmless, charming cottage shrub thanks to its sweet flowers and pretty berries.
Few shrubs in the garden are riskier to plant. Irritant diterpenoids run through every part, a smear of sap will blister exposed skin, and the bright berries may be fatal if eaten, so keep it far from children and pets.