Tree · Cupressaceae
Italian Cypress
Cupressus sempervirens
Set it once in full sun and dry, well-drained soil, and this slender green column will hold its shape for decades to come.
Full sun
Every 7–14 days
USDA 7–10
39–69 ft · 12–21 m
Overview
Picture the tall, slim green spires that line the driveways and frame the villas of Tuscany, and you're picturing the Italian cypress. It's an easygoing evergreen conifer that grows straight up into a tidy column instead of sprawling outward, which is just why it's such a landscaping favorite. Given time, a mature tree can rise to 40 feet and beyond while staying only a few feet across, so there's plenty of room to feel proud of one.
The lovely thing is how little it asks of you. Once a young tree has found its roots, it takes drought, poor rocky ground, and alkaline soil in its stride, and it stands up to real cold right down to 0°F (-18°C). The single thing it truly can't forgive is wet feet, so as long as you keep it out of soggy soil you're already doing the most important part right.
This is a slow, long-lived tree, and a bit of patience is well rewarded. Give it sun, sharp drainage, and open sky to grow into, and it will keep that graceful sword-like form for generations without a single trim from you.
Care
The short version: give it full sun, lean and sharply drained soil, and a good deep drink while it's young, then step back and let it fend for itself once it's established. You can skip the pruning altogether, and just keep its feet out of standing water.
Light
Give your Italian cypress full sun and as much of it as you can manage. It really has no patience for shade, and a tree short on light grows thin and leaning, losing the dense column that makes it such a joy to plant.
Water
Water young trees regularly to help them root, letting the top half of the soil dry between drinks so you never drown them. Once it's settled in, the tree is very drought tolerant and asks almost nothing of you. The one thing to steer clear of is wet, poorly drained soil, which invites root rot.
Soil
It's happiest in well-drained sandy loam, but it takes poor, rocky, sandy, and alkaline ground in stride, so don't fret over perfect dirt. Any pH from 6.0 to 7.8 will suit it just fine. Honestly, sharp drainage matters far more here than how rich the soil is.
Temperature
This is a wonderfully tough tree across a wide range, holding steady from roughly 0°F to 104°F (-18°C to 40°C). It shrugs off Mediterranean heat and stands up to real winter cold, which is why it does so well through hardiness zones 7 to 10.
Humidity
Italian cypress likes low humidity and the dry air of its Mediterranean home. Damp, muggy weather isn't ideal for it, since moisture that lingers on the foliage raises the chance of disease, so an airy spot helps.
Feeding
Feeding is something you'll rarely need to bother with. Only if the growth looks weak should you offer a balanced slow-release fertilizer in spring, and even then a light touch is all it wants. A well-placed tree finds plenty in lean soil.
Pruning
The kindest thing you can do here is leave it be. The tree keeps its natural columnar habit all on its own, so don't shear it to hold its shape. Take out only the dead or diseased branches, cutting well below any canker with disinfected tools.
Repotting
Italian cypress is a landscape tree that's rarely repotted, so plant it in its forever spot and let it stay put. This slow grower doesn't care to be disturbed once its roots have taken hold, and it will thank you for the peace.
Size & spacing
Expect a grown tree to reach somewhere around 40 to 70 feet (12 to 21 m) tall while staying slim, anywhere from 3 to 20 feet (91 cm to 6 m) wide depending on the form. Plan for that full height, and give the crown a little room and fresh air.
When to plant
Italian cypress settles in best when its roots are already on the move, so aim to plant in spring or fall, with April and September the easiest windows for transplanting. Water it deeply through that first stretch and it will anchor itself before the dry season or the cold weather rolls around.
Northern hemisphere
Southern hemisphere
Typical months for a temperate climate: start earlier in warm zones, later where spring frosts linger.
- Plant: Spring or fall (April and September are best for transplanting when roots are actively growing)
- Harvest: Non-flowering; produces round woody cones to 1.5 in across
Hardiness
USDA hardiness zones: 7–10
Temperature: down to -18°C
Troubleshooting
A happy Italian cypress rarely causes you any trouble, and most of the issues that do crop up start with a stressed tree. Keep a gentle eye out for browning branches, thinning foliage, or anything odd dangling from the twigs, and step in early. Nearly everything below comes down to either too much water at the roots or too little reaching the canopy, both of which are easy to put right.
Brown flagging branches with weeping cankers on the stems
If dead branches start standing out like little brown flags against the green, don't panic, but do look closely, because this is usually cypress canker from Seiridium, and it leans hardest on trees already worn down by drought. You'll spot sunken cankers oozing resin right where those branches meet the stem. No spray cures it, yet you can still save the tree: prune well below each canker into clean wood, wipe your tools between cuts, and keep it watered so it has the strength to push back.
Fix:
- Prune out diseased branches 3-4 in below the canker into healthy wood
- Disinfect pruning tools between cuts with a 10 percent bleach solution
- Destroy or discard all pruned material
- Reduce drought stress with regular deep irrigation to help trees recover
A tree that stalls and yellows in soggy ground
When a cypress sits in wet, packed-down soil and slowly gives up, thinning at the top and fading to yellow or purple, the trouble is almost always Phytophthora root rot working away at the roots and base. Ease it out of the ground a little and you'll find the roots dark and mushy. The good news is you can head this off: get the drainage sorted and stop the overwatering right away, remove any tree that's too far gone, and choose fresh ground rather than replanting cypress where the sickness lingers.
Fix:
- Improve drainage and stop overwatering
- Remove and destroy severely affected plants
- Do not replant cypress in contaminated soil
Foliage turning dull, speckled, and bronze
A tired, bronzed, speckled look to the foliage often means spider mites, which love cool, dusty spells and a tree that's already thirsty. To be sure, hold a sheet of white paper under a branch, give it a tap, and watch for tiny specks crawling, with a bit of fine webbing nearby. This one is easy to turn around: knock them off with a firm spray of water and go gentle on the bug sprays, since those also wipe out the lady beetles and predatory mites that quietly do the work for you.
Fix:
- Spray foliage with a strong jet of water to dislodge mites
- Preserve natural predators such as lady beetles and predatory mites by minimizing insecticide use
Small spindle-shaped bags dangling from chewed branches
Those 1 to 2 inch cone-shaped bags dangling from the twigs, all dressed up in scraps of the tree's own foliage, are bagworms, and the caterpillar tucked inside each one nibbles the branches bare as it grows. The simplest cure is your own two hands: pick the bags off and destroy them through winter and early spring, before the eggs inside get a chance to hatch. If a few slip past you, a spray of Bt in May, while the larvae are still tiny, sets things right.
Fix:
- Handpick and destroy bags in winter and early spring
- Apply Bacillus thuringiensis (Bt) in May when larvae are small
Toxicity
Good news if you share your home with animals: Italian cypress is not toxic. ASPCA doesn't include it among the plants that poison cats or dogs, and it's safe around horses, livestock, and people as well. A pet that chews a mouthful of the aromatic foliage might feel briefly queasy, but there's nothing in this tree that can do real harm.
Safe for
People · Cats · Dogs · Horses · Rabbits · Livestock · Birds
Cats None
You can relax about your cat around this tree, since it's safe for cats and ASPCA doesn't flag it as toxic. Should a curious cat gnaw the aromatic foliage, the most you'd see is a little drool or a mildly unsettled tummy from the sheer amount of greenery, and nothing worse.
Dogs None
Your dog is welcome to share the garden with this tree without worry. Even a committed chewer is looking at nothing more than a passing bit of mild stomach upset, so there's truly no need for concern.
Horses Safe
Rest easy with horses nearby, because the tree is not toxic to horses. Most give the resinous, strong-smelling foliage a wide berth anyway, and a curious nibble won't hurt them.
Rabbits Safe
Rabbits are in no danger near Italian cypress. That pungent, aromatic foliage usually turns them away long before they could eat enough to bother them, so you can breathe easy.
Livestock Safe
Cattle, goats, and sheep can graze right alongside it safely. The strong oils make the foliage taste off to them, and there's no compound in this tree known to harm farm animals.
Birds Safe
Birds are welcome to nest and perch in the branches with no risk at all. Neither the little woody cones nor the scale-like foliage carries anything that could hurt them.
People Safe
For your family, Italian cypress is not poisonous to people. It was never meant to be eaten, so there's nothing here for the table, but touching it or brushing past it in the garden is completely fine.
Foliage is aromatic when crushed; minor gastrointestinal upset is possible if large amounts are chewed.
Varieties
Most of the Italian cypress you'll come across is one of a handful of named forms, each picked for its shape, size, or foliage color. These are the ones worth getting to know.
Glauca (Blue Italian)
A slim blue-green column of scale-like foliage that rises 40 to 60 feet tall yet holds to a slender 5 to 10 feet wide.
Stricta
The familiar pencil-slim Italian cypress, so tightly upright and narrow that it keeps its clean line all on its own.
Swane's Golden
A trim columnar form loved for its warm golden-yellow foliage in place of the everyday deep green.
Tiny Tower (Monshel)
A small, slow-growing dwarf that lets you enjoy the columnar look even in a modest garden or a snug corner.
How to propagate
You can raise Italian cypress from seed or from cuttings, and it helps to know they give different results. Seed is a bit of a gamble on shape, while cuttings copy the parent tree faithfully.
SeedModerate
Sow in spring; seed of columnar forms may not come true to shape · 1-2 years
Starting from seed is a gentle spring project, as long as you're happy to wait a year or two for a young tree to settle in. Just know the trade-off: seedlings vary in form, so a packet won't dependably hand you that narrow pencil shape. That's exactly why the named cultivars are grown from cuttings instead.
Stem cuttingsModerate
Take semi-hardwood cuttings in summer to early fall · 1-2 years
If you have your heart set on a particular cultivar's tight column, cuttings are the sure way to keep it true. Take semi-hardwood cuttings from summer into early fall, then give the little plant a year or two to root in and start reaching upward before you expect much height.
Myths
Italian cypress will poison your cats and dogs.
You can set this worry aside, because ASPCA doesn't list the tree as toxic and it's treated as safe around your pets. A dog or cat that works through a good mouthful of foliage might feel a touch queasy, but the tree itself is not poisonous.
Italian cypress must be sheared often to stay in shape.
Here's the reassuring part: the tree keeps its tight, narrow column entirely by itself, so there's really nothing to shear. Cut only dead or diseased wood, since every fresh wound you open is an easy way in for canker.