Tree · Sapindaceae
Lychee
Litchi chinensis
Give it heat, acidic soil, and a cool winter rest, and this tropical tree becomes the centerpiece of a warm garden.
Full sun
Every 3–7 days
USDA 10–11
20–40 ft · 6.1–12.2 m
Overview
Lychee is an evergreen tropical tree from southern China, the kind of specimen that gives a warm garden a sense of place and a summer ritual worth waiting for. It grows slowly into a wide, rounded canopy and settles in for decades, so it belongs in the long view of a landscape rather than a season's planting. Given room, it reaches 20 to 40 feet (6 to 12 m) tall and nearly as broad, casting the sort of generous shade a courtyard or lawn is built around.
This is a demanding tree, and the demand is mostly about place. It asks for genuine warmth and frost-free winters, which keeps it to USDA zones 10 and 11 or a sheltered corner that behaves like one. The quirk to design around is flowering: a lychee wants a brief cool, dry spell in winter to set its flower panicles, so a mild winter can hand a gardener leaves and no fruit.
Where the setting suits it, the reward folds neatly into the calendar. Trees fruit from May to July, peaking in June, turning early summer into a small harvest occasion. A settled tree keeps to alternate bearing, so a lavish year often gives way to a quieter one, a rhythm worth planning the season around.
Care
The short version: full sun, fertile well-drained acidic soil, and steady moisture through the growing season, then a cooler, drier winter rest to bring on flowers, all in a spot sheltered from frost and wind.
Light
Set lychee in full sun for the strongest growth and best cropping, though it accepts a little partial sun. A wind-sheltered position matters as much as the light, since the brittle wood breaks in storms, so choose a corner that stays calm.
Water
Keep the soil consistently moist through active growth, above all while the tree is young or carrying fruit. Then ease off in late fall and winter for the cool, dry rest that brings on flowers. It will not settle for standing water or salty water, so drainage is part of the plan.
Soil
Give it fertile, well-drained acidic sandy loam rich in organic matter, ideally around a pH of 5.0 to 5.5. Salinity works against it, so salty ground or water will hold the tree back and dull its presence.
Temperature
Lychee lives across a range of about 32°F to 95°F (0°C to 35°C) but stays genuinely frost tender, and a freeze browns the leaves and kills branches. A short cool winter spell, by contrast, is what brings it into flower and into the season.
Humidity
The tree favors humid air, ideally around 50% to 80%. Dry air suits it poorly, which is why it looks most at home in warm, humid regions.
Feeding
Feed seasonally through the growing season, roughly March to November, with a complete fertilizer that carries micronutrients. Lychee draws heavily on manganese, zinc, and iron, so micronutrient foliar sprays during growth keep the foliage full and green.
Pruning
Prune lightly after harvest to shape the tree and keep its scale in check, clearing dead, crossing, or weak branches. An established lychee asks for little beyond that light touch.
Repotting
A young container tree takes potting up every 2 to 3 years until it is ready for its permanent place. Once established, plant it out, since this is a tree meant to hold a spot in the garden for the long haul.
Size & spacing
Plan for a mature tree of 20 to 40 feet (6 to 12 m) tall with a spread of 20 to 30 feet (6 to 9 m). Give it that much open room, well clear of buildings, so the wide canopy has space and the wind has somewhere to pass.
When to plant
Lychee lives by the warm season and will not take frost, so it slots naturally into a mild-climate calendar. Plant in spring once the cold has passed and the soil has warmed, watch it flower from late winter into spring, and gather fruit from May through July, with the fullest crop in June.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Plant: Spring, after all danger of frost has passed and the soil has warmed
- Harvest: Flowers late winter to spring; fruit ripens May to July, peaking in June
Hardiness
USDA hardiness zones: 10–11
Temperature: down to -1°C
Troubleshooting
Most of what troubles a lychee comes down to climate and soil rather than pests. Poor flowering, pale new growth, and cold or wind damage account for nearly all of it. Match what the tree is showing below and step in before a season slips away.
Cold and wind leaving their mark on the tree
Because lychee is frost tender, a cold snap can leave its foliage browned or blackened and carry the damage into whole branches, a setback for any garden built around it. Exposed sites invite the same trouble, since strong wind bruises this brittle-wooded tree. Shelter young trees through a frost, and choose a wind-protected position from the outset so the tree stays a graceful part of the setting.
Fix:
- Protect young trees during frost with covers or added heat
- Relocate or shelter trees from strong wind
Full foliage but a disappointing show of flowers or fruit
A lychee that furnishes the garden with leaf after leaf yet withholds its flowers has usually gone without its cool, dry winter rest, the brief chill that turns buds toward flower panicles rather than more greenery. The tree also keeps to a rhythm of alternate bearing, so a generous season in the garden often gives way to a restrained one. Trim back water and nitrogen through late fall and winter, and let the quieter years pass.
Fix:
- Provide a cool, dry winter rest by withholding water and nitrogen in late fall and winter
- Avoid heavy nitrogen that drives vegetative growth at the expense of flowers
- Be patient through alternate-bearing cycles
Pale new growth marring the tree's fresh look
When new growth loses its color between the veins or browns along the edges, the tree is short on the iron, zinc, and manganese it needs to look its best. Alkaline or salty ground keeps those micronutrients out of reach, and salty water deepens the shortfall. A chelated iron and micronutrient spray, a soil eased back toward a pH of 5.0 to 5.5, and a switch away from saline water restore the healthy green a well-placed tree deserves.
Fix:
- Apply chelated iron and micronutrient foliar sprays
- Acidify the soil and mulch with organic matter
- Stop using saline irrigation water
Toxicity
Ripe lychee flesh is a safe, well-loved fruit, so a tree in the garden is no household hazard and makes a welcome addition to a home. The real caution belongs to the unripe fruit and the seeds, which carry hypoglycin linked to dangerous drops in blood sugar, and the hard seed is a choking risk. Serve only ripe fruit, set the seeds aside, and keep green fruit and pits away from children and pets.
Toxic to
Cats · Dogs · Horses · Rabbits · Livestock · Birds
Safe for
People
Cats Caution
A morsel of ripe flesh will not trouble a household cat, so the seed and any unripe fruit are where the caution belongs. The hypoglycin they hold can pull blood sugar down and leave a cat unsteady or subdued, and the hard pit is a real choking hazard on the floor.
Dogs Caution
Dogs will happily claim a fruit that falls to the ground, pit and all. A little ripe flesh is fine, but a swallowed seed can lodge in the gut, and the toxins in seeds and unripe fruit may leave a dog weak or shaky from low blood sugar.
Horses Caution
A horse rarely crosses paths with a lychee, and the ripe flesh is no known trouble in moderation. Still, keeping fallen seeds and green fruit off the ground is wise, since the hypoglycin behind the fruit's hypoglycemia has not been cleared as safe for horses.
Rabbits Caution
Lychee suits rabbits poorly beyond the smallest taste of ripe flesh, given how little the sugar agrees with them. The seed and unripe fruit also carry the same hypoglycin that can send blood sugar tumbling.
Livestock Caution
Grazing animals most often meet lychee as windfall gathered beneath a garden tree. The ripe pulp is mild enough, but seeds and unripe fruit carry hypoglycin, so clearing the drops where stock can reach them keeps the setting safe.
Birds Caution
Birds will readily take ripe lychee flesh, and a little does no harm. The concern is the seed, both as a choking hazard and as a source of the same hypoglycin found in unripe fruit.
People Ripe fruit safe
Ripe lychee flesh is a celebrated fruit and safe to enjoy in moderation, a lovely thing to bring to the table. The danger sits in the unripe fruit and seeds, which hold hypoglycin linked to dangerous low blood sugar, above all in undernourished children eating many green fruit on an empty stomach. Serve only ripe fruit, set the seeds aside, and keep the pit away from small children as a choking hazard.
Caution: UNRIPE lychee fruit and the SEEDS contain hypoglycin A and MCPG, toxins linked to dangerous low blood sugar (hypoglycemia), most notably in undernourished children who eat many unripe fruit on an empty stomach; the hard seed is also a choking hazard. Ripe fruit eaten in moderation is safe.
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
A handful of named cultivars carry most home and commercial groves, chosen for reliable cropping and lovely fruit. These are the ones worth knowing before you plant.
Brewster
A vigorous early arrival from China with large red fruit, it grew into one of the cultivars that defined Florida's commercial groves.
Mauritius
A dependable, heavy-cropping cultivar that anchors commercial planting across warm, humid regions.
Sweetheart
Its generous heart-shaped fruit tends to carry a small shriveled chicken-tongue seed, leaving all the more flesh to savor.
How to propagate
Lychee is raised mostly by air-layering, since cuttings root poorly and seedlings are slow and unpredictable. The route chosen shapes how true the tree runs and how soon it fits into the harvest calendar.
Air layeringModerate
Warm growing season, spring into summer · Roots in about 8-12 weeks; trees typically fruit in 3-5 years
Air-layering, also known as marcotting, is the trusted commercial way to raise a new lychee, since ordinary cuttings root poorly. Carried out in the warm season from spring into summer, the layer sends out roots in about 8 to 12 weeks. It rewards the effort with a true-to-type tree that comes into fruit in roughly 3 to 5 years, well ahead of a seedling.
SeedModerate
Sow fresh seed immediately, as viability lasts only a few days · Germinates in 1-2 weeks; seedlings may take 7-10+ years to fruit
Lychee seed keeps for only a few days, so it goes into the soil fresh the moment it is scooped out, sprouting in 1 to 2 weeks. The patience it asks for comes later. A seedling may need 7 to 10 years or more to fruit, and the fruit it finally offers is variable, which leaves this route more curiosity than reliable path to a fine crop.
GraftingDemanding
Growing season · Union forms in weeks; fruiting in 3-5 years
Grafting during the growing season binds a union within weeks and yields a tree that fruits in about 3 to 5 years. It is a refined way to carry a chosen cultivar forward, though for lychee most growers still turn to air-layering.
Myths
Every part of the lychee, ripe fruit and all, is dangerously poisonous.
The ripe flesh is a safe, everyday fruit enjoyed the world over. The genuine caution belongs to the hypoglycin A and MCPG in the unripe fruit and seeds, and even then it mostly causes harm when undernourished children eat many green fruit on an empty stomach. Enjoy the ripe fruit at the table and set the seeds aside.
Raising a productive lychee from a seed is easy.
Seedlings ask for patience, often taking many years to bear, and they vary so much that the fruit rarely echoes the parent. Air-layering is the dependable choice, giving a true-to-type tree that comes into fruit far sooner.