Royal Raphia Palm.

At a glance

Care level

Difficult

Plant type

Palm

Light

Bright indirect light

Indoor light

Bright indirect

Water

Every 2 to 4 days

Mature size

25 meters

Growth rate

Medium

Hardiness

USDA 11 to 12

Bloom time

Rarely flowers in cultivation

Care

This palm requires constant high humidity and consistently moist soil to mimic its native swamp habitat. Watch for browning leaf tips, which often indicate the air is too dry or the soil has dried out. It needs significant space to accommodate its enormous fronds.

Watering

Keep the soil consistently damp at all times.

Feeding

Use a balanced palm fertilizer during the active growing season.

Pruning

Remove only dead or damaged fronds to maintain plant health.

Repotting

Repot only when the root system has completely filled the container.

Soil

Rich, moisture retentive soil

Soil pH

Acidic to neutral

Temperature

15 to 35°C

Humidity

70 to 95%

Drought tolerance

Low

Lifespan

Monocarpic, typically 15 to 25 years before flowering and dying.

Deer and rabbits

High

Safety

People

The plant is not considered toxic, but the sharp, woody scales on the fruit and leaf stalks can cause physical injury.

Children

Keep children away from the base of the plant due to the extremely sharp, serrated leaf stalks.

Contact allergens

The sharp, silica-rich scales on the fruit and stems can cause mechanical skin irritation.

Airborne allergens

There are no significant respiratory allergens associated with this species.

Edibility

The fruit is not typically consumed by humans and is covered in irritating scales.

How to identify it

• Massive pinnate leaves
• Extremely long leaf stalks
• Spiny leaf margins
• Large woody fruit clusters

Height

15 to 25m

Spread

6 to 10m

Leaves

green, evergreen

Flowers

yellow, brown, 1 to 2cm

Fruit

brown, Late summer

Problems to watch for

• Root rot · Occurs if the soil remains waterlogged without proper drainage.

Growing it

Propagation

seed

When to plant

spring, summer

Overwintering

Keep the plant in a consistently warm, frost-free environment. Provide high humidity and avoid cold drafts.

In containers

It is not suitable for containers due to its massive size and deep root system.

Group this palm with other moisture-loving tropicals to maintain a high-humidity microclimate.

Grows well with

• Elephant Ear · They share similar requirements for high moisture and tropical warmth.
• Ginger · These plants thrive in the same humid, shaded forest floor conditions.

Similar species

• Raffia Palm · It is a closely related species also used for fiber production.

Science

Family

Arecaceae

Genus

Raphia

Order

Arecales

Class

Liliopsida

Native range

Central and West Africa

Conservation

This species is threatened in its native habitat due to over-harvesting for its valuable fiber.

It grows in dense, waterlogged tropical forests where it dominates the understory and canopy.

Value to wildlife

nesting habitat

Pollinators

beetles

Uses

fiber production, ornamental specimen

Taxonomy resolved against GBIF.

Questions people ask

Can I grow this in a pot?

It is generally too large and fast-growing for long-term container cultivation.

How fast does it grow?

It is a relatively fast grower in ideal tropical conditions.

Where the name comes from

The name Raphia comes from the Malagasy word for the fiber, while regalis refers to its regal or majestic size.

Good to know

• The leaves are so large they are often mistaken for the trunk of the tree.
• It is a monocarpic species, meaning it dies after it flowers and fruits.
• The fiber from this palm is widely used in weaving and crafts.
• It thrives in swampy, tropical environments.