Herb · Apiaceae
Garden Angelica
Angelica archangelica
A towering herb of hollow ridged stems and great domed umbels that flowers greenish-white once, then dies.
Partial shade
Every 3–7 days
41–77°F · 5–25°C
USDA 4–9
Overview
Garden angelica is built on a grand scale, its hollow, ridged stems thick and upright as they push the broad, dome-shaped flower heads up well above head height. Run a hand along a stem and you feel the lengthwise grooves that score its surface, while the leaves spread wide and deeply divided in a generous mound below. It is a carrot-family herb from the cool, damp margins of northern Europe, and it answers to rich, moist ground and a little shade. Cooks have candied those fleshy stems for centuries, and the plant earns its place at the back of a border on the sheer bulk and structure of its growth.
The plant moves through a slow, deliberate shape change as it lives out its span. Angelica is a biennial that is really monocarpic, spending its first year or two as that low mound of broad leaves over a deep taproot before a single tall stalk shoots up, opens its umbels, and ripens seed, after which the whole plant dies. Cutting the flower stalk before it opens holds the leafy form a little longer, but once the greenish-white umbels appear the plant is spent.
Up close the stems and foliage hide a sharp side. The sap inside them carries compounds that can blister skin in sunlight, and the plant's form mirrors poison hemlock so closely that the two are easily confused, so the leaves and hollow stems call for gloves and a sure eye before anything reaches the kitchen.
Care
The short version: part shade and rich, deep soil kept moist but never waterlogged, with steady water through the first season so the thick taproot never dries out.
Light
Angelica colors and fills out best in partial shade, the dappled light it knows from a woodland edge. It will stand full sun in cooler regions or where the soil stays reliably moist, but hot, dry sun scorches the broad leaves and shortens an already short life.
Water
The soil stays consistently moist and never dries out, above all in the first season while the deep taproot is thickening. A layer of mulch over the crown holds that moisture and keeps the roots cool, the damp footing this woodland-edge herb grew up on.
Soil
Angelica wants rich, deep, moist loam that still drains, dark and crumbly with organic matter. A pH of 6.0 to 7.0 suits it, and compost or well-rotted manure worked in feeds the heavy, leafy bulk it puts on.
Temperature
This is a cool-natured plant, comfortable roughly between 41°F and 77°F (5°C to 25°C), its thick crown surviving hard winters down to USDA zone 4 outdoors. Real heat wilts the wide leaves and softens its vigor, which is why it leans toward shade in warmer gardens.
Humidity
Average humidity of around 40% to 60% keeps the foliage fresh, which is what most gardens offer outdoors. The cool, damp air of a woodland edge sits closer to its native home than a hot, dry exposure that would crisp the leaf margins.
Feeding
A balanced fertilizer goes on in spring, or the crown takes a top-dressing of compost or well-rotted manure. A monthly feed through the growing season drives the broad leaves and the tall, hollow stems upward.
Pruning
Cutting off the spent flower stalks before they set seed buys the green mound another year and curbs its self-sowing, and the tired, yellowing leaves come away too. Once angelica opens its umbels and seeds, though, the whole plant dies, so pruning only delays that end.
Repotting
Angelica is rarely repotted, since its deep, brittle taproot resents disturbance and the plant is sown straight where it will grow. It stays in place and runs its short course rather than being lifted, which would tear that long root.
Size & spacing
This herb is large in every direction, the stems climbing 5 to 8 feet (150 to 250 cm) tall while the leafy clump spreads 2 to 4 feet (60 to 120 cm) across. Room at the back of a bed lets the height read and gives the wide umbels space to open.
When to plant
Angelica runs on fresh seed and cold. The small seed goes in during late summer or fall while it is still alive, or after a cold spell in early spring, raising a mound of broad leaves the first year and lifting its greenish-white umbels in the second or third before the plant sets seed and dies.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Plant: Sow fresh seed where it is to grow in late summer to fall, or cold-stratify and sow in early spring; direct-sow because the taproot resents transplanting.
- Harvest: Large greenish-white compound flower umbels appear in early to mid summer of the second (or third) year, after which the plant dies; harvest tender young leaf stems and leaves in year one to two.
Hardiness
USDA hardiness zones: 4–9
Temperature: down to -34°C
Troubleshooting
Angelica gives little trouble, and its most striking turn is the whole plant dying after it flowers, which is normal. The few real problems mark the leaves or rot the crown. Match the look of what you see below before acting.
Tall bloom, ripe seed, then yellowing leaves and a dying crown
This is the plant's nature on show, not a disease. Angelica is monocarpic, throwing up a single tall umbel-topped stalk in its second or third year, ripening seed, and then yellowing from crown to leaf tip as the whole plant fades. Some seed left to drop starts the next generation, fresh seed saved makes replacements, and the spent stalk and crown come out once the seed is gathered.
Fix:
- This is normal; allow some seed to ripen and self-sow, or save fresh seed to start replacements
- Remove the spent plant after seed harvest
Limp foliage above a slimy, blackened crown
Standing water around the base brings on crown and root rot, and the thick stem bases turn soft, dark, and slimy right at the soil line. A crown that has gone black and mushy cannot be saved, so the worst plants are dug out and destroyed to stop the rot spreading. Sharper drainage and watering that keeps the soil moist but never soggy heads it off.
Fix:
- Improve drainage and reduce watering
- Remove and destroy badly affected plants to limit spread
Puckered sticky leaves veined with pale winding trails and ragged bites
Soft new leaves draw aphids, which crowd the undersides in tight clusters and coat the surface with a sticky film. The pale, twisting trails written across a leaf are leaf miners eating between its layers, while ragged holes and stripped edges mark the green-and-black banded celery worm, the larva of the black swallowtail. A jet of water or insecticidal soap clears the aphids, mined leaves are picked off, and the striped caterpillars are removed by hand or left to become butterflies.
Fix:
- Dislodge aphids with a strong jet of water or treat with insecticidal soap
- Remove and destroy mined or heavily chewed leaves
- Hand-pick caterpillars (or tolerate them, as they become swallowtail butterflies)
Toxicity
The plant looks handsome but bites. Inside its hollow stems and broad leaves runs a sap holding furanocoumarins that can blister skin once sunlight reaches it, and grazing animals react the same way across their lighter-skinned patches. The sharpest danger is the plant's likeness to deadly poison hemlock or water hemlock, so no part should be eaten unless its identity is certain.
Toxic to
Cats · Dogs · Horses · Rabbits · Livestock · Birds · People
Cats Mild
A cat that chews the broad foliage may drool or be sick to its stomach, and clear sap on its fur or skin can leave a sore patch. The trouble usually passes on its own, but a curious cat is best kept away from the cut stems.
Dogs Mild
A dog that chews the leaves may drool and have an upset stomach, nothing worse in most cases. Sap smeared on the muzzle or paws can redden and irritate the skin, so it gets rinsed off.
Horses Caution
The furanocoumarins in the leaves and sap make a horse's skin flare under sunlight, with redness and raw soreness across the muzzle and any pale, thin-haired patches. Angelica is kept out of grazing paddocks to be safe.
Rabbits Caution
Angelica is no forage for rabbits. The same sap compounds that blister human skin can upset a rabbit's gut and leave it off its food, so known-safe greens are the better choice.
Livestock Caution
Grazing cattle, goats, and sheep risk photosensitization from the furanocoumarins, which surfaces as crusted scabbing and peeling on light-skinned areas after a day in the sun. The plant is fenced off from pasture.
Birds Caution
Little suggests angelica belongs in a bird's diet, and the sap compounds inside the leaves and stems make it a poor choice. Pet birds are kept away from the fresh foliage and stems.
People Caution
The young leaf stems are a traditional candied treat, yet the clear fresh sap can blister skin that then meets sunlight, a reaction called phytophotodermatitis. The greater danger is the plant's likeness to deadly poison hemlock or water hemlock, so no part is safe to eat without certain identification.
Wear gloves and long sleeves when cutting or handling fresh stems and foliage, and wash skin promptly; avoid sun exposure on sap-contacted skin to prevent phototoxic burns. CRITICAL: Angelica closely resembles deadly poison hemlock (Conium maculatum) and water hemlock (Cicuta spp.); never forage or eat a plant unless its identity is absolutely certain.
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
The true species is grown most, recognized by its bold stems and umbels, though a slimmer coastal form is worth knowing for gardens near the sea.
Angelica archangelica (species)
This is the classic garden angelica, marked by hollow ridged stems that cooks have candied for generations and large rounded umbels of tiny greenish-white flowers.
Angelica archangelica subsp. litoralis
This is a slimmer coastal form from northern Europe, narrower in stem and leaf and shaped for the shoreline where salt and wind would trouble most herbs.
How to propagate
Angelica comes from seed alone, and the trick is sowing the small, short-lived seed fresh before it loses the spark of life.
SeedModerate
Sow fresh seed in late summer to fall, or cold-stratify and sow in early spring. · 1 to 2 years to reach flowering size
Angelica starts from fresh seed only, since the small flat seed loses its life within months of ripening. It needs light and a spell of cold to break, so it sits on the bare surface uncovered, sown fresh in late summer or cold-stratified for an early spring start. It goes straight where it will grow, because the long, deep taproot tears easily and hates being moved, and it takes 1 to 2 years to build up to flowering size.
Myths
Angelica gets eaten, so its stems and leaves are harmless to hold.
The candied stems have been eaten for centuries, yet the clear sap inside the fresh stems and leaves holds furanocoumarins that blister skin once sunlight reaches it. The safe habit is plain: gloves and long sleeves go on when cutting it, and any sap is washed off before going into the sun.
Any towering herb capped by wide white Apiaceae flower clusters is as safe to forage as angelica.
A tall stem under a broad white umbel is no proof of safety, since poison hemlock and water hemlock wear nearly the same form and a wrong guess can kill. No wild plant should be eaten without certain identification, and these look-alike umbellifers are best left to people who can read them apart.