Houseplant · Crassulaceae
Hen and Chicks
Sempervivum tectorum
Give it sun, grit, and almost no water, and this tough little succulent takes off on its own.
Full sun
USDA 3–8
6–12 in · 15–30 cm
Overview
The name captures it perfectly: a central rosette, the hen, sits ringed by a brood of little offsets, the chicks, all clustered up together. This alpine succulent hails from the mountains of Europe, and its botanical name, Sempervivum, means always living, which nails how doggedly it hangs on. Gardeners once planted it right on their rooftops on purpose, and it thrived up there.
Here is what makes it such a joy to grow: the very trait that makes it easy is the one that catches people out. It craves poor, gritty soil and next to no water, so the usual houseplant fuss of frequent watering and rich mix is precisely what rots it. Go lean and it powers ahead. Each rosette is monocarpic, so it flowers once, bows out, and hands the baton to its chicks, which means the colony keeps rolling forward as individual rosettes come and go.
Care
The short version: bright light, a fast-draining gritty mix, and water only once the soil has dried out completely. It barely needs feeding and rewards a hands-off approach far more than fussing.
Light
Hand it full sun and it delivers the boldest color and the tightest, cleanest rosettes. It copes with partial sun or light shade, but skimp on light and the rosettes stretch loose while the reds and purples that make it exciting drain away.
Water
Water sparingly, and only after the mix has dried out completely. This alpine succulent packs its own moisture, so overwatering is the fastest way to lose it. Pull back hard in winter, when wet lingering around the crown turns to rot.
Soil
Plant it in a gritty cactus or succulent mix that drains in a flash and never sits soggy. It shrugs off pH swings and stays happy anywhere from 6.0 to 8.0, and it actively prefers lean, poor ground over anything rich.
Temperature
Barely any plant matches its range, which runs from -40°F to 86°F (-40°C to 30°C). Cold does not even register. Summer heat rolls off it too, as long as the drainage stays sharp.
Humidity
It thrives on the dry side and brushes off low household humidity without a second thought. Damp, still air is the real enemy, since that is what unleashes rot and rust on crowded rosettes.
Feeding
Feed rarely, if you bother at all. A dilute low-nitrogen succulent feed once or twice across spring and summer covers it, and even that is optional. It powers along in poor soil by nature and pushes back when you overfeed it.
Pruning
There is next to nothing to do. Once a hen flowers and fades, lift out the spent rosette and clear away any dried outer leaves, and the surrounding chicks rush in to close the gap on their own.
Repotting
Repot every 2 to 3 years, or sooner once the offsets crowd up and spill over the pot edge. Watch for roots bursting through the drainage holes or the mix drying out faster than it used to, then bump it into fresh gritty mix.
Size & spacing
The rosette clumps stay low, hitting 6 to 12 inches (15 to 30 cm) tall and spreading 6 to 18 inches (15 to 45 cm) wide as the chicks multiply. Give a colony room to creep and it steadily takes over the space.
Troubleshooting
Nearly every hen and chicks problem circles back to one culprit, which is too much water. Nail the drainage and the watering and there is barely anything left to trip you up. Spot your symptom below, then jump on it before rot drives through the rosette.
A soft, blackening rosette buckling at the center
A soft, dark rosette signals crown and root rot, and it traces straight back to too much water or a mix that clings to it. Move fast: pull the mushy rosettes, bin them, and park the watering can until the mix dries right through. Then scout for firm chicks, drop them into fresh gritty mix with sharp drainage, and watch the plant bounce back.
Fix:
- Remove and discard affected rosettes
- Withhold water and let the mix dry fully
- Salvage firm healthy offsets and replant in fresh gritty mix with sharp drainage
Orange-brown raised spots erupting on the leaves
Those raised orange-brown spots are rust, a fungus that pounces when plants stay damp and crowded. Strip off the marked leaves and rosettes, then spread things out so air rushes through the clump. Keep water off the foliage and split a packed colony, and you shut rust down fast.
Fix:
- Remove and dispose of affected leaves and rosettes
- Improve airflow and spacing
- Avoid wetting the foliage when watering
A rosette shoots up a stalk, blooms, then bows out
A rosette that rockets up a stalk, flowers, and then fades is running its monocarpic life cycle, exactly on schedule. Each hen blooms once and steps aside, but she launches a whole ring of chicks to take over. Snip out the spent rosette and let the offsets surge in to fill the gap, or lift them and plant them wherever you fancy more.
Fix:
- Remove the spent flowered rosette
- Allow surrounding offsets to fill the space
- Replant detached offsets if desired
Toxicity
Great news to kick things off: hen and chicks is non-toxic across the board. The ASPCA counts Sempervivum among its safe succulents, and no harmful compound is on record. Grow it around cats, dogs, and children without a worry, just remember it is a plant to enjoy, not a snack.
Safe for
People · Cats · Dogs · Horses · Rabbits · Livestock · Birds
Cats None
Cats can prowl right up to it, since no toxic compound is on record. Should a bored cat chomp a rosette, the worst that turns up is a quick, mild stomach upset.
Dogs None
Dogs can roam near these succulents with zero worry. A dog that gulps a big mouthful of any plant might run loose for a day, but no poison lurks here.
Horses None
Horses face nothing from this one, so a curious taste out in the pasture or from a planter passes without a hitch.
Rabbits None
Rabbits get on just fine beside hen and chicks, and the fleshy leaves pack nothing harmful. Still, it earns its keep as a houseplant rather than a regular green in the bowl.
Livestock None
Cattle, goats, and sheep can graze this plant freely, since it carries no toxin to rattle a ruminant gut.
Birds None
Pet and backyard birds can peck the rosettes and come away just fine, because nothing in the leaves is poisonous to them.
People None
Grown on rooftops and windowsills for ages, this plant is no threat to people at all. Curious kids can be near it without any fuss.
Varieties
Most hen and chicks set themselves apart by the color their rosettes fire up as the season rolls on. A handful of named cultivars are worth chasing down if you want a specific shade.
Sempervivum tectorum 'Rubin'
Its rosettes blaze a deep ruby-red to purple that grips that color right through the season.
Sempervivum tectorum 'Sunset'
As it matures, the foliage fires up into glowing orange-red sunset tones.
Sempervivum tectorum subsp. tectorum 'Triste'
This one dials it back to a muted, dull reddish-brown tint instead of anything bright.
How to propagate
This is about as easy as multiplying plants gets, and much of the time it charges ahead on its own by pumping out chicks. Split a clump or sow seed instead when you want to steer the pace yourself.
Offsets & pupsEasy
Spring to early summer · 2-4 weeks to root
Grabbing offsets is the quickest, most satisfying route, and it is where most growers start. From spring into early summer, twist a rooted chick off the mother rosette and press it into gritty mix, and it digs in within about 2 to 4 weeks. Keep the monocarpic habit front of mind, too: the hen dies after flowering, and these chicks are exactly how the colony keeps charging forward.
DivisionEasy
Spring · 2-4 weeks
Division is the move for a clump that has packed itself tight. In spring, hoist the whole mat, tease it apart into single rooted rosettes, and replant each one. They root back in over about 2 to 4 weeks.
SeedModerate
Spring · Several months to a year
Seed is the long game, and it pays off mainly when you want to raise a crowd of plants. Sow in spring and settle in for the wait, since seedlings need several months to a year to amount to much, and named cultivars almost never come true from seed.
Myths
The ASPCA Hens and Chickens listing proves Sempervivum tectorum was tested and cleared as pet-safe.
Here is the twist: that entry actually covers Echeveria elegans, a tender Mexican succulent from a whole different genus. The cold-hardy Sempervivum, the true houseleek, lands on its own on the ASPCA's list of non-toxic succulents. Both come out safe, just under separate listings.
Houseleeks have to come indoors for the winter.
Not a chance, because these rank among the toughest succulents around, rated RHS H7 and powering through cold well below freezing across USDA zones 3 to 8. They soldier on outdoors all year, even where winter bites hard. Wet, not cold, is what takes them out, so the one winter move is keeping the crowns clear of soggy mix.
The whole plant is dying when the central rosette throws up a stalk and collapses.
Only that one rosette is bowing out. Each hen is monocarpic and dies after flowering, but it fires off a ring of chicks to carry on. The colony charges right along through its offsets, and often ends up looking fuller than before.