Plant guide
Acai palm.
Euterpe oleracea
Pronounced yoo-TER-pee oh-ler-AY-see-uh
Also known as Assai Palm, Açaí, cabbage palm, euterp-palm, manicola-palm
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The acai palm is a tall, slender tree native to the rainforests of South America. It is famous for its dark purple berries that are packed with nutrients. You will need plenty of space and humidity to keep this palm happy.

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
- 20 to 30 meters
- Growth rate
- Medium
- Hardiness
- USDA 10 to 11
- Bloom time
- Year round in tropical climates
Care
Keep the soil consistently moist and provide high humidity to mimic its tropical home. Watch for brown leaf tips which often signal that the air is too dry. Ensure the plant stays in a warm environment as it cannot handle cold temperatures.
- Watering
- Keep the soil evenly moist but never waterlogged.
- Feeding
- Use a balanced palm fertilizer during the active growing season.
- Pruning
- Remove dead or yellowing fronds at the base to keep the plant tidy.
- Repotting
- Repot only when the roots have completely filled the current container.
- Soil
- Rich, well-draining, acidic soil
- Soil pH
- 5.0 to 6.5
- Temperature
- 15 to 35°C
- Humidity
- 70 to 95%
- Drought tolerance
- Low
- Lifespan
- Perennial, typically 20 to 30 years
- Fragrance
- Light
- Deer and rabbits
- Moderate
Signs it needs repotting
- Roots growing out of the drainage holes
- Stunted growth despite regular feeding
- Soil drying out too quickly
Safety
- People
- The plant is not considered toxic, but the fruit pits are hard and pose a choking hazard if swallowed whole.
- Children
- The tall, slender trunks are not suitable for climbing, and the fallen fruit pits are a choking hazard for small children.
- Contact allergens
- The fibrous material around the trunk can be abrasive to sensitive skin.
- Airborne allergens
- Pollen from the inflorescence may cause mild irritation in sensitive individuals.
- Edibility
- The fruit must be processed correctly to remove the hard pit and extract the pulp safely.
How to identify it
- Slender, multi-stemmed gray trunks
- Long, arching pinnate fronds
- Small, dark purple round fruits
- Drooping leaflets on mature fronds
- Height
- 15 to 30m
- Spread
- 3 to 6m
- Leaves
- green, evergreen
- Flowers
- white, cream, 0.5 to 1cm
- Fruit
- purple, black, Year round
Problems to watch for
- AphidsCommon
- Bud RotUncommon
- Root RotUncommon
- Scale InsectsUncommon
- Sooty MoldUncommon
- Red Palm WeevilRare
Check your acai palm from a photo
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Growing it
- Propagation
- seed, division
- When to plant
- spring, summer
- Overwintering
- Keep the plant in a warm, frost free environment with high humidity during the winter months.
- In containers
- They are not well suited for long term container growth due to their height, but can be kept in large tubs for several years.
Seed
- 1. Clean the pulp from the seed immediately after harvest.
- 2. Plant seeds in a moist, well draining potting mix.
- 3. Maintain a temperature of at least 25 Celsius for germination.
- 4. Keep the soil consistently wet until sprouts appear.
Group these palms with other moisture loving tropical plants to create a microclimate that retains high humidity.
Grows well with
- Heliconia · They share similar moisture and shade requirements in a tropical garden.
- Ginger · These plants thrive in the same humid, rich soil conditions.
Similar species
- Cabbage Palm · It is a closely related palm that also produces edible fruit.
Science
- Family
- Arecaceae
- Genus
- Euterpe
- Order
- Arecales
- Class
- Liliopsida
- Native range
- Northern South America and the Amazon basin.
- Conservation
- It is widely cultivated and not currently threatened in its native range.
It is a flood tolerant species that dominates swampy areas and riverbanks in tropical rainforests.
- Value to wildlife
- nectar source, fruit source for birds
- Pollinators
- bees, beetles
- Uses
- culinary fruit pulp, ornamental landscaping, heart of palm harvest
Through the year
Ecological indicators
- Salinity
- 2/9
- Soil reaction
- 5/9
- Light
- 7/9
- Temperature
- 9/9
- Moisture
- 9/9
- Nutrients
- 6/9
Taxonomy resolved against GBIF.
Questions people ask
- Can I grow açaí in a pot?
- It is difficult due to their massive size, but they can be kept in very large containers while young.
- How long until it fruits?
- Plants typically begin producing fruit within 4 to 5 years from seed.
Where the name comes from
The genus name Euterpe honors one of the Greek Muses, while oleracea refers to its use as a vegetable.
Good to know
- Açaí palms naturally grow in clumps of several stems.
- The name açaí comes from the Tupi word for fruit that cries or expels water.
- These palms thrive in waterlogged soils where other plants struggle.
Keep your acai palm growing
This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.
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This guide was generated with AI on and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.
