How to Grow European (Mediterranean) Fan Palm

Chamaerops humilis

The European or Mediterranean fan palm (Chamaerops humilis) is one of the toughest palms, cold hardy to about 10°F and less fussy about moisture than most of its relatives.

Native to the western Mediterranean Basin, it grows from Portugal and Spain through southern France and Italy to Morocco and Tunisia.

In these environments, this species endures intense summer heat, seasonal drought, and rocky, nutrient-poor soils.

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The only species in the Chamaerops genus and a member of the Arecaceae or true palm family, C. humilis typically grows as a dense, clumping shrub.

Several short, sturdy trunks each carry a crown of long, compound fan-shaped fronds that spread up to three feet across, attached to spiny petioles.

The leaves are a dull green, though some varieties are glaucous, appearing silvery gray.

In its native habitat, clusters of small, waxy yellow flowers emerge in spring.

Fairly inconspicuous, these aggregations of blooms are almost buried behind the leaf sheaths, close to the trunk.

These are followed by oval fruits that ripen from summer into autumn in shades of yellow, brown, or reddish-orange.

In our guide to growing fan palms we give an overview of how to cultivate the various different species that go by this common name.

This article focuses on the European or Mediterranean fan palm. Here’s what I’ll cover:

Adaptable and slow-growing, the Mediterranean fan palm is a versatile choice for a wide range of gardens.

It typically stays in the 10- to 12-foot range but can stretch up to 18 feet tall in ideal conditions.

If you live in USDA Hardiness Zones 8 to 11, you can grow it directly in the ground in a sunny, well-drained spot.

Gardeners in cooler climates can keep it in a container instead, moving the palm indoors for the winter.

Unlike many tropical types, it doesn’t care for high humidity, and consistently soggy soil will quickly lead to fungal problems.

How to Grow

The secret to growing European fan palm isn’t much of a secret at all. Close your eyes and imagine yourself in the Mediterranean.

Feel the warm sunshine, the gentle, dry breezes, and the perfectly comfortable ambient temperatures.

Whether planted in the ground or grown in a pot, Chamaerops humilis thrives in bright light and airy, low-humidity conditions.

Outdoors, give it a sunny location that’s sheltered from strong winds. In USDA Hardiness Zones 8 to 11, this species can stay in the ground year-round, though in marginal areas of Zones 7 and 8, situating it against a south-facing wall can help buffer winter chill.

While the foliage can withstand temperatures as low as 10°F, icy winds may cause tissue damage.

Gardeners in cooler regions will need to grow this species in a container that can be brought inside before frost.

Light

Soil

In its native habitat, C. humilis colonizes freely draining, rocky slopes, hot, exposed cliff sides, and dry hills.

In cultivation, this species appreciates similar conditions but tolerates a variety of soil types, so long as the substrate does not retain water.

If your garden soil tends to hold water, consider amending with sand and gravel, or keep your plant in a container instead.

Water

Once established in the landscape, C. humilis is remarkably drought tolerant but will benefit from some supplemental water during dry spells lasting two weeks or more.

For container-grown plants, allow the top inch of soil to dry between waterings, then water thoroughly until excess drains from the bottom of the pot.

Fertilizing

Potted specimens require feeding in the spring, summer, and fall.

A slow release product formulated specifically for palm trees is best applied before watering, to ensure nutrients trickle down to where they’re needed.

Specimens planted in the garden don’t require fertilizer but will benefit from a top dressing of compost in spring and summer.

These extra nutrients will help keep fronds supple and green, and flowers and fruits abundant.

Learn more about fertilizing palms here.

Where to Buy

You can generally find the species plant available from good nurseries or palm specialists.

European Fan Palm

For example, Fast Growing Trees carries the species plant in a variety of sizes to suit your needs.

While the C. humilis is the only species in its genus, there are a few named cultivars worth considering.

The naturally-occurring variety, C. humilis var. argentea is also known as the Atlas Mountains or silver palm, with striking glaucous, silver-blue fronds. It’s native to North Africa.

Nana

‘Nana’ is a dwarf cultivar that tops out at around four to six feet tall. This one is ideal for growing in containers or in smaller gardens.

Stella

‘Stella’ is another compact cultivar, at five to six feet tall. The fronds are green on the top with silvery undersides, giving the plant a distinctive two-toned appearance in the garden.

Vulcano

Featuring a compact form with a dense, bushy habit, ‘Vulcano’ has petioles with few or no spines.

Mature plants grow to six to eight feet tall making this a compact addition to the landscape.

Maintenance

Cold hardy and resilient, C. humilis is one of the easiest palms to care for.

To keep it looking tidy, remove browned or spent fronds at the base of the leaf petiole with a pair of clean, sharp pruners.

Always cut as close to the trunk as possible without damaging healthy tissue. Occasionally, European fan palm will branch and spread into a multi-trunked clump.

If you prefer a single-stemmed form, you can remove these shoots as they emerge at ground level.

Propagation

European fan palm can be grown from seed or from purchased transplants. Unfortunately, you cannot take viable cuttings from C. humilis.

From Seed

This species is pretty easy to start from seed. You’ll need quite a bit of patience though as it takes time!

Seed can be purchased or harvested from a plant with ripe fruit.

Typically, the fruit ripens in late summer to fall. If you choose to collect your own seed, harvest it when the flesh of the fruit turns rusty red.

Soak the fruits in lukewarm water for two days to help soften the exterior coating on the seed and loosen the surrounding pulp.

Remove the pulp surrounding the seed with your fingernails, or the rough side of a sponge.

Fill several four-inch pots with moistened, freely draining potting soil and press the seed just below the surface of the substrate.

Sow two to three seeds per pot as germination can sometimes be spotty. If all three germinate, you can remove and discard the weaker seedlings or pot them up in their own individual containers.

Move your pots somewhere brightly lit with stable, warm temperatures. Using a heat mat set to 80℉ will help speed up germination.

Bear in mind it can take several months for the seeds to germinate, so don’t despair if nothing happens immediately! Keep the soil moist to the touch while you wait, but not soaking.

Transplanting

Whether you’ve raised seedlings yourself or purchased a nursery-grown start, the best time to transplant European fan palm into the garden is in early to mid-spring, when growth is beginning and the weather is mild.

In regions with warm, temperate conditions, early fall is also suitable. Avoid the extremes of summer heat and winter cold, which put unnecessary stress on the roots.

If planting outdoors, dig a hole as deep as the root ball and set the plant so it sits at the same level it was in its pot. Backfill with soil, firm it gently, and water thoroughly.

For container cultivation, choose a pot about three inches wider than the root ball.

Pack fresh potting soil firmly around the roots and water well. European fan palm thrives in ceramic containers that warm in the sun and provide excellent drainage.

Pests and Disease

Unlike many tropical types, European fan palm is remarkably resilient outside of its native range.

This species suffers from very few problems when grown in the bright, dry, well-drained conditions it prefers.

Pests

This species is highly pest resistant. Problems are most likely if it’s kept in a greenhouse or other enclosed, humid space.

Scale insects are the most common, sometimes joined by mealybugs or spider mites under those conditions. Outdoors in sunny, arid settings, infestations are rare.

Disease

Excess moisture is the Achilles heel of almost all types of fan palms. Situating the plant in well-drained soil with plenty of light and airflow is the best way to keep it healthy.

Here are few diseases to be aware of:

Bud Rot

Bud rot is caused by water molds in the Phytophthora genus. The pathogen typically infects specimens after prolonged wet weather.

It enters through wounds in the crown and causes the growing tip to collapse into a rotting mess. Early signs include yellowing and drooping leaves.

Unfortunately, there is no cure. Affected plants should be removed and discarded to prevent spread.

Butt Rot

Not as cute and funny as it sounds, butt rot is a serious condition caused by the soil borne pathogen Ganoderma zonatum.

Infected trees may have soft, brown spots on the trunk, or squishy, rotting crowns. Often the first symptoms identified are yellowing, wilting leaves.

Like bud rot, there is no cure. Infected specimens must be removed, and you should not replant another palm in the same spot.

False Smut

Common in humid regions such as the southeastern United States, false smut is a fungal disease caused by Graphiola species.

Toughest of the Bunch

Many palms are off-limits to gardeners in temperate regions, demanding heat, humidity, and endless warmth.

C. humilis is a welcome exception. With its textured fronds, bright fruit, and rugged resilience, it brings a touch of the tropics to gardens well outside the equatorial belt.

Cold hardy, tolerant of drought once established, and adaptable to container life, it’s an easy-care specimen that even doubles as a handsome houseplant in winter.

Do you grow European fan palm? Have you seen it thriving in the wild? Share your stories and tips in the comments section below.

And to learn more about growing palms, check out these guides next:

• How to Grow and Care for California Fan Palms
• How to Grow and Care for Queen Palms
• How to Grow and Care for Mexican Fan Palms