Bulb · Amaryllidaceae

Surprise Lily

Lycoris squamigera

Tuck the bulb in once, relax, and let bare pink stalks appear overnight in late summer.

Light

Full sun

Water

Every 7–⁠14 days

Hardiness

USDA 5–⁠9

Mature size

18–⁠24 in · 46–⁠61 cm

Toxic to cats, dogs, horses & more
Surprise Lily

Overview

Do not worry if this bulb keeps you guessing, since that is simply its charm. In spring the strappy leaves rise like any ordinary bulb, then fade away by early summer and leave you with bare soil. Give it a few patient weeks and naked flower stalks lift straight from the ground in August, opening rose-pink almost overnight. That vanishing and returning is exactly why gardeners fondly call it resurrection lily, magic lily, and naked ladies.

You are in good hands with a plant this tough. It belongs to the amaryllis family and lives on as a hardy perennial bulb across zones 5 to 9, so once it feels at home it takes heat, cold down to -20°F (-29°C), and most pests and diseases in stride. The one thing to hold in mind is that every part is poisonous, the bulb most of all, so it does best in beds and borders away from spots where pets or children dig.

Here is the reassuring part: this plant mostly grows itself. Settle the bulbs at the right depth in fall, let the spring leaves yellow and go on their own, and the clumps will quietly fatten and bloom for decades. Small mistakes are easy to recover from, so plant with confidence.

Care

The short version: give it full sun to part shade in rich, well-drained soil, and you are most of the way there. Water while the spring leaves grow and again as the flower stalks rise, let the bulb rest dry through summer, and lift crowded clumps every few years.

Light

Surprise lily blooms most freely in full sun, though it forgives you a spot with partial shade. Bright light nourishes the spring leaves, and it is those leaves that gather the energy for the late-summer flowers, so a sunny place rewards you.

Water

Keep the soil watered through spring while the leaves are growing, then offer a drink again when the flower stalks rise in late summer. After the foliage dies back in early summer, let the bulb rest on the dry side, which it prefers. During its active stretch the natural rhythm works out to about every 7 to 14 days.

Soil

Give it organically rich, well-drained soil and it will settle in happily, whether your ground leans toward loam, silt, or sand. There is no need to fuss over pH, since anywhere from 6.0 to 8.0 suits it, so most garden beds will do as long as water drains freely.

Temperature

You will find few bulbs so willing. It comes through winters as cold as -20°F (-29°C) and summer heat up to 100°F (38°C) without complaint, which is what makes it so dependable across zones 5 to 9.

Humidity

There is nothing to measure or worry about here, since ordinary outdoor air suits it just fine. What truly matters is good drainage at the roots, far more than anything in the air above.

Feeding

Offer a little food in spring as the leaves come up, reaching for a balanced bulb fertilizer while the foliage stays green. That green season is when the bulb quietly gathers what it needs for flowers months down the road.

Pruning

Snip the flower scapes away once they have faded, but please let the spring leaves stand until they yellow and fold on their own. Cutting green foliage too soon leaves the bulb hungry and can cost you the next bloom, so patience pays off.

Repotting

These bulbs are happiest left undisturbed. Only lift and divide a clump every 4 to 5 years, or a little sooner if it grows crowded and the flowers begin to thin.

Size & spacing

Each plant grows to around 18 to 24 inches (46 to 61 cm) tall and wide. Space the bulbs 6 to 8 inches apart so the clumps have plenty of room to fill in over the seasons.

When to plant

This bulb keeps a gentle rhythm all its own, and it is easy to follow. Plant in early fall, welcome the leaves in spring and let them go, and the flowers will surprise you in late summer once the foliage has long since faded.

Northern hemisphere

Plant Sep–Oct
Bloom Aug–Sep

Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.

  • Plant: Plant bulbs in early fall, 5 to 6 inches deep and 6 to 8 inches apart.
  • Harvest: August to September

Hardiness

USDA hardiness zones: 5–9

Temperature: down to -29°C

Troubleshooting

Take heart, because this bulb rarely gives real trouble. Most questions come down to two friendly puzzles: stalks that stay away, and leaves that seem to fade too soon. One is worth a small fix and the other is simply the plant being itself, so match what you see below before you fret.

Setback

Lovely spring leaves, yet no late-summer stalks appear

If the leaves looked healthy but the flower stalks never rose, do not be discouraged, since the cause is usually bulbs set too deep or packed too tightly together. After the foliage dies back, gently lift a clump to check, then divide it and replant the offsets 5 to 6 inches deep and 6 to 8 inches apart. Bulbs you moved not long ago may simply want a season or two to settle before they feel ready to bloom.

Fix:

  • Divide and replant offsets at 5 to 6 inches deep and 6 to 8 inches apart
  • Allow recently moved bulbs a season or two to settle before expecting bloom
Cosmetic

Spring foliage fading and vanishing as summer begins

Rest easy, because this is the plant doing precisely what it is meant to do. The strap leaves rise in spring, yellow and fade as early summer arrives, and a few weeks on the bare flower stalks come up all by themselves. Leave the dying leaves right where they are until they wither fully, since that is how the bulb tucks away energy for its next round of bloom.

Fix:

  • Leave the dying foliage in place until it withers completely so the bulb can store energy

Toxicity

This is the one place to be firm and caring at once: treat the whole plant as poisonous to every animal and to people. The leaves, stalks, and above all the bulb hold lycorine and related alkaloids that bring on drooling, vomiting, and diarrhea if eaten. None of it is food, so plant it where pets and children cannot reach and wash your hands after you handle the bulbs.

Toxic to

Cats · Dogs · Horses · Rabbits · Livestock · Birds · People

Cats Toxic

A cat that chews on any part will drool a great deal and then be sick, often with diarrhea and a tender tummy. The bulb holds the most lycorine, so a bulb that has been dug up is the real worry to guard against.

Dogs Toxic

Dogs that dig up and bite into a bulb come off the worst. Keep a caring eye out for drooling, repeated vomiting, loose stools, and a dog that turns quiet and loses interest in food.

Horses Toxic

The same alkaloids trouble horses just as much. A grazing horse that swallows foliage or a bulb may drool, colic, and scour, so it is kindest to plant well away from any pasture.

Rabbits Toxic

Rabbits should never be allowed to nibble the leaves or stalks. Even a small taste sets off drooling and a sore, upset belly, and the bulb is more poisonous still.

Livestock Toxic

Cattle, goats, and sheep all feel the effects of the lycorine in this plant. Look for drooling, vomiting where the animal is able, and diarrhea, with bulbs turned up by tilling posing the greatest hazard.

Birds Toxic

It is safest to treat the whole plant as out of bounds for birds. The bulb and foliage carry the very same toxic alkaloids that affect every other animal, so pecking at it is never safe.

People Caution

No part of this plant belongs on a plate, and the bulb is the most poisonous piece of all. Anyone who eats it may end up drooling, vomiting, and with diarrhea, so keep it well out of the reach of little ones.

Store bulbs out of reach of pets and children and wash hands after handling.

Helpline numbers

United States

ASPCA Animal Poison Control: (888) 426-4435 (fee applies)

Poison Control: (800) 222-1222

United Kingdom

Animal PoisonLine: 01202 509000 (fee applies)

NHS: 111

Australia

Animal Poisons Helpline: 1300 869 738

Poisons Information Centre: 13 11 26

Canada

Poison Centres: 1-844-764-7669

Varieties

The plant you will grow is the straight species, and one easy detail keeps you from mixing it up with its red-flowered relative.

Lycoris squamigera (species)

The one grown in most gardens opens rose-pink blooms brushed with lilac on bare stalks in late summer, which is how you tell it apart from the red-flowered red spider lily, Lycoris radiata.

How to propagate

Making more of this plant could not be gentler on a beginner. Seed is almost never used, and it does not need to be, since the bulbs multiply on their own and a simple division of a full clump gives you all the new plants you want.

Offsets & pupsEasy

After foliage dies back in early summer or after flowering in late summer · 1 to 2 years to bloom after transplanting

Happily, the bulbs make more of themselves quickly by sending out daughter bulbs, so the simplest way to grow your patch is to lift a clump and ease the offsets apart. Do this after the foliage dies back in early summer, or once flowering wraps up in late summer, and divide crowded clumps every 4 to 5 years. Give the replanted offsets 1 to 2 years to settle in before they reward you with bloom.

DivisionEasy

When bulbs are dormant after foliage dies in early summer · 1 to 2 years to bloom

When a clump grows crowded, dig and divide it while the bulbs are resting and dormant, after the foliage has died in early summer. Set the offsets back 5 to 6 inches deep and allow them a year or two before you look for flowers, and they will get there.

SeedDemanding

Rarely used · Several years

Growing from seed is more patience than most beginners will want, and it is rarely worth the wait, taking several years to form a flowering bulb. Dividing offset bulbs is the friendlier path and brings you blooms much sooner.

Myths

Myth

Surprise lily makes a dependable potted houseplant you can force to bloom indoors.

Reality

It is kinder to both of you to keep this one outdoors, since it is a hardy garden bulb suited to zones 5 to 9 rather than a windowsill companion. Its roots reach deep and wide, so growing it in a pot rarely satisfies it unless the container is unusually large and deep. Give it a home in the ground and let the seasons carry it along.

Sources