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Thimble Tree

Lythraceae

Thimble Tree (Lafoensia pacari): Complete Care Guide

Lafoensia pacari

Medium ☀ïļ Direct sun ðŸū Pet safe

The Thimble Tree is resilient and adaptable. Plant in full sun in fertile, well-drained soil. It requires regular watering during the first 1–2 years; once established, it is highly drought-tolerant and can withstand temporary flooding. Fertilize with organic compost twice a year during establishment.

💧 Watering

Every 14 days

☀ïļ Light

Direct sun

ðŸŒĄïļ Temperature

5° - 38°C

ðŸ’Ļ Humidity

40% - 80%

Categories

What is Thimble Tree?

Thimble Tree (Lafoensia pacari) is a medium-care plant from the Lythraceae family. The Thimble Tree (Lafoensia pacari) is a native tree of the Brazilian Cerrado (savanna), belonging to the Lythraceae family. It is a medium to large deciduous tree reaching 5–18 meters tall, with a trunk 30–60 cm in diameter. Its spectacular spring and summer blooms feature large, fringed white flow...

Thimble Tree grows up to 18.0m, with spread of 600cm, watering every 14 days, 5°C – 38°C, 40–80% humidity. It is not suitable for indoor environments and safe for pets.

Care Guide

💧

How to Water

Water regularly during the first 1–2 years after planting, keeping the soil moist but not waterlogged. Once established, this tree is extremely drought-tolerant — reduce watering progressively. During severe dry spells, water fortnightly.

☀ïļ

Lighting

Plant in full sun — at least 6 hours of direct sunlight daily. The Thimble Tree does not thrive in shade; full sun exposure ensures abundant flowering and healthy growth.

ðŸŠī

Ideal Soil

Prefers fertile soil rich in organic matter with good drainage. Amend with compost at planting time. Tolerates a wide range of soil types, including the sandy-clay soils typical of the Cerrado, as long as there is good root aeration.

🏚

Recommended Pot

For urban or container planting, use large containers (minimum 100 liters) in ceramic or concrete pots for stability. In gardens, plant directly in the ground with at least 5 meters clearance from other trees.

About Thimble Tree

The Thimble Tree (Lafoensia pacari) is a native tree of the Brazilian Cerrado (savanna), belonging to the Lythraceae family. It is a medium to large deciduous tree reaching 5–18 meters tall, with a trunk 30–60 cm in diameter. Its spectacular spring and summer blooms feature large, fringed white flowers with long stamens. Highly valued in traditional Cerrado medicine, it is also widely used in urban landscaping and riparian forest restoration across Brazil.

How to Propagate

ðŸŒą

Direct Seed Sowing

Plant seeds immediately after collection — viability drops sharply within weeks. Prepare the planting site in advance, eliminating leaf-cutter ants before final transplanting.

  1. 1
    Collect seeds from mature capsules immediately after natural opening
  2. 2
    Place seeds in moist sand bags right after harvest — they lose viability rapidly
  3. 3
    Keep in a shaded location until germination (10-15 days)
  4. 4
    Transplant seedlings into fertile potting mix in nursery bags
  5. 5
    After 3-4 months, transplant to the final site in a 40x40 cm hole enriched with aged manure

Materials needed:

Fresh seedsMoist sandNursery bagsFertile substrate with organic matterAged manure
⏱ïļ Time: 10-15 days 📊 Success rate: high 🗓ïļ Best season: Spring

Characteristics

📏

Max height

18.0m

↔ïļ

Spread

6.0m

📈

Growth rate

Medium

🍃

Foliage

Deciduous

⚠ïļ

Warning: Toxic Plant

This plant can be toxic if ingested. Keep out of reach of:

ðŸ‘ķ Children

Plant Uses

🌚

Ornamental

Great for decoration

💊

Medicinal

Medicinal properties

💊

Medicinal Uses

  • Treatment of gastric ulcers and gastritis
  • Anti-inflammatory properties (topical and internal use)
  • Antifungal and antibacterial (external use)
  • Febrifuge and tonic
  • Wound healing and skin lesion treatment

Is your plant showing symptoms?

Click on the symptom to discover possible causes:

Common Problems

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Meaning & Symbolism

A symbol of resilience and healing in the Brazilian Cerrado, the Thimble Tree represents strength and the enduring connection between people and nature.

Fun Facts

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The Thimble Tree can reach 18 meters tall in the wild, making it one of the Cerrado's most impressive native trees

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Its seeds germinate in just 10–15 days when freshly planted in moist sand

ðŸ’Ą

Used in Cerrado traditional medicine for centuries to treat ulcers and fungal infections

ðŸ’Ą

Once established, it tolerates both prolonged drought and temporary flooding

Frequently asked questions

Is the Thimble Tree difficult to grow?
Not at all. After the first two years, it becomes extremely hardy, tolerating drought, temporary flooding, and various soil types. The main care effort is during the first months: regular watering and protection against leaf-cutter ants.
When does the Thimble Tree bloom?
It blooms mainly in spring and early summer (September to January in Brazil). The flowers are large, fringed, and white — making it a standout tree in landscaping.
Can the Thimble Tree be planted near buildings?
Yes. It has non-aggressive roots, making it safe for planting near walls and sidewalks. Maintain a minimum distance of 3–4 meters from foundations.
What are the medicinal uses of Lafoensia pacari?
The bark and leaves are used in Cerrado traditional medicine for gastric ulcers, fungal infections, inflammation, wounds, and fever. Always use dried leaves and bark for internal use, in small doses.
Is the Thimble Tree toxic?
In large quantities, plant parts can cause intoxication due to their astringent nature. For internal medicinal use, always use dried leaves in small doses, ideally with professional guidance.

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Sources & References

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