Houseplant · Araliaceae
English Ivy
Hedera helix
Tough, shade-loving, and fast to fill a pot, English ivy trails or climbs wherever you point it.
Bright indirect
50–70°F · 10–21°C
USDA 4–13
20–79 ft · 6–24 m
Overview
English ivy is the trailing evergreen vine that pours from hanging baskets and scrambles up brick walls. It belongs to the aralia family and hails from Europe, where it has draped woods and old buildings for centuries. Bring it indoors and it stays a manageable houseplant, throwing out long, leafy stems that tumble over a shelf or wrap a trellis.
What makes it such a joy to grow is how little it demands. It drinks up bright indirect light yet powers through low light and partial shade, and it grows fast enough to pack a pot in a single season. Run it up a moss pole, clip it into a crisp topiary, or just let it cascade, because it takes pruning and comes roaring back.
The twist is that all that drive turns into a headache outdoors. English ivy is toxic to pets and an invasive weed across much of the US, where it overruns native plants and climbs into siding and gutters. Keep it as a houseplant, hold it off the walls and out of reach, and it stays a handsome, low-effort plant that gives back far more than it takes.
Care
The short version: bright indirect light though it powers through shade, water only after the top half inch dries out, keep it cool with decent humidity, and prune whenever you like to keep it in bounds.
Light
English ivy hits its stride in bright, indirect light, which keeps the variegated kinds bold and colorful. It also powers through medium light, low light, and partial shade, so it earns a spot where fussier plants throw in the towel. Deep shade slows it and dims the markings, but it hangs on there all the same.
Water
Water it thoroughly, then hold off until the top half inch (about 3 cm) of soil dries before the next round. Ivy hates wet feet, so never let the pot sit in a saucer of water, which rots the roots fast. When in doubt, let it ride a touch dry rather than soggy.
Soil
Plant it in a quality houseplant mix with excellent drainage, because standing moisture is the one thing ivy refuses to forgive. Out in the garden it shrugs off almost anything, taking clay, loam, sand, and even rocky ground in stride.
Temperature
Ivy loves it cool, 50°F to 70°F (10°C to 21°C), which lines up nicely with most homes. It sputters in hot, stuffy rooms, where the dry warmth also rolls out the welcome mat for spider mites.
Humidity
Average household humidity keeps ivy ticking along. It does lap up a little extra moisture in the air, and bumping up humidity helps fend off spider mites, so a pebble tray or a quick misting earns its keep in dry winter rooms.
Feeding
Feed it monthly with a foliage houseplant fertilizer while it is charging through active growth. Back off when growth slows in summer heat or cold weather, since a resting plant can't put the extra food to work.
Pruning
Cut it as hard and as often as you fancy, because ivy springs right back. Pinching and trimming keeps it full and head off legginess, and you can pin the stems to a trellis or topiary frame to train any shape you dream up.
Repotting
Ivy is happy a little snug, so only repot once it goes top-heavy, packs the pot with roots, or dries out too fast after watering. When you do bump it up, jump no more than an inch in pot diameter, so the fresh soil doesn't stay wet and rot the roots.
Size & spacing
As a houseplant the trailing stems stay easy to keep short, but turn it loose outdoors and the vine climbs from 20 to 80 feet (6 to 24 m) and spreads 3 to 49 feet (90 cm to 15 m). That kind of reach is exactly why it storms into trees and structures and why you keep it contained.
Troubleshooting
English ivy is a fighter, so when it slumps the cause usually boils down to one of two things. Dry indoor air rolls out the welcome mat for spider mites and browns the leaf edges, while harsh winter sun and wind scorch any plant left outside. Match what you spot below and tune the conditions fast, before the damage gains ground.
Speckled, bleached leaves with faint webbing
Catch that freckled, washed-out foliage with a whisper of webbing early and you have almost certainly found spider mites, the top pest that goes after indoor ivy. They thrive in warm, dry rooms, so tap a leaf over white paper and watch for the tiny specks that scurry. Blast the plant with water, work insecticidal soap into the leaf undersides, and cool the air down with more humidity to send them packing.
Fix:
- Spray plants forcefully with water, including leaf undersides, to dislodge mites
- Treat with insecticidal soap, repeating as needed
- Dunk foliage upside-down in an insecticidal soap solution to wash pests off
Browning, dried-out, or scorched leaves
Outdoors this almost always traces to winter scorch, where cold sun and wind rip moisture out of the evergreen leaves faster than the roots can pump it back. Indoors, dry heated air and a too-thirsty rootball brown the leaf edges instead. Tuck outdoor plants somewhere sheltered from biting winter sun and wind, perch indoor ones on a wet pebble tray to push the humidity up, and fresh growth charges right back.
Fix:
- Site plants out of harsh winter sun and drying wind
- Raise humidity with a wet pebble tray and avoid letting soil dry out completely
Toxicity
Grow English ivy with open eyes, because it is one to keep out of reach rather than share. Every part packs triterpenoid saponins, with the berries the most dangerous if swallowed, and the sap stings skin on contact. It is toxic to cats, dogs, horses, and other animals, and no part is safe to eat, so site it away from pets and children and pull on gloves whenever you prune.
Toxic to
Cats · Dogs · Horses · Rabbits · Livestock · Birds · People
Cats Moderate
A cat that chews the leaves usually winds up drooling, vomiting, and dealing with diarrhea, often with belly pain too. The leaves pack more of the toxin than the berries do, so guard the foliage first and foremost.
Dogs Moderate
A dog that grabs a mouthful of foliage soon drools hard, throws up, and runs loose. Bold puppies that rip into a trailing stem swallow the most and react the hardest, so hang the plant high and out of their reach.
Horses Moderate
The saponins really stir up a horse's gut, sparking drooling, colic-like pain, and loose droppings. Keep clippings and climbing stems well clear of paddocks and the problem never gets started.
Rabbits Toxic
The leaves and berries are off the menu for rabbits and can leave them drooling, refusing food, and queasy. Never toss any part their way as forage.
Livestock Toxic
Cattle, goats, and sheep that browse ivy can land in real digestive trouble and worse from those same saponins. Yank it from pastures and fence lines before grazing animals ever reach it.
Birds Caution
Wild birds gobble the ripe berries and scatter ivy far and wide without a scratch, but the raw foliage is another story, so handle pet birds with care and keep cuttings out of the cage.
People Caution
No part of ivy is food, and the berries hit hardest if swallowed, firing off a burning mouth, vomiting, and cramps. The sap stings skin too, so pull on gloves before you dive into pruning.
Wear gloves when pruning or removing ivy, as the cell sap can cause skin redness, itching and blisters.
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
Most ivy sold for the home is a named cultivar picked for its leaf shape or color, and a handful keep showing up wherever plants are sold.
'Gold Child'
A cream-yellow to gold rim runs around every leaf and lights up a shady corner where plain green ivy would just vanish.
'Needlepoint'
Slim bird's-foot leaves hand it a fine, delicate look that has long made it a go-to for trained topiary shapes.
'Glacier'
Silvery-white variegation sweeps across the gray-green leaves for a cool, frosted punch of color.
'Baltica'
A tough, cold-hardy form gardeners love to plant outdoors to lock down soil and beat back erosion on slopes.
How to propagate
English ivy practically pumps out copies of itself, rooting from cuttings in a glass of water or layering wherever a stem hits damp soil.
Stem cuttingsEasy
Any time during active growth · Roots typically form in a few weeks
Ivy makes cloning a breeze and rewards you fast. Snip a stem or tip cutting any time the plant is actively growing, drop it into a glass of water, and roots break out within a few weeks. The moment a small cluster of roots fills out, pot the cutting into fresh mix and watch it take off.
LayeringEasy
During the growing season · Several weeks to a few months
Trailing stems root themselves anywhere a node lands on damp soil, doing half the work for you. During the growing season, pin a stem down and leave it, and over the next several weeks to a few months it grows its own roots. Snip the rooted section free from the parent and plant it wherever you want a new vine going.
Myths
Only the berries are dangerous, so the leaves are safe to handle and have around pets.
The leaves and the berries both pack the same triterpenoid saponins, and the ASPCA flags the foliage as the more toxic part for animals that chew it. Berries are the bigger worry if a person swallows them, but here is the bottom line, no part of the plant is harmless.
English ivy is just a harmless ornamental groundcover.
It is actually a documented invasive species across much of the US and a listed noxious weed in Oregon. Turn your back and it smothers native plants and storms into siding and gutters, so check local rules before you plant it.