Hawaiian Palm
Brighamia insignis
Insignis
About this plant
Brighamia insignis, also called the Hawaiian Palm or Cabbage on a Stick, is a rare succulent plant native to Hawaii. It has a thick, swollen stem and long, narrow leaves that grow at the top, resembling a small palm tree. This plant is famous for its unique shape and is critically endangered in the wild. It is often grown as a collector's plant due to its rarity and unusual appearance.
Taxonomy
- Genus
- Brighamia
- Family
- Campanulaceae
- Higher classification
- Order: Asterales
- Plant type
- Succulent
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Hawaii
- Distribution
- Native to the Hawaiian Islands, especially Kauai; cultivated in botanical gardens and by succulent enthusiasts worldwide.
Care
- Light preference
- Full sun
- Suitable locations
- Indoor, Greenhouse
- Preferred window facing
- South-facing, West-facing, East-facing
- Watering frequency
- Moderate
- Watering interval
- 7–14 days
- Humidity
- Low
- Minimum
- 10 °C
- Maximum
- 30 °C
- Optimal
- 18-26 °C
- USDA hardiness zones
- 10-12
- Soil pH
- 6.0-7.5 (neutral to slightly acidic)
- Soil type
- well-draining cactus or succulent mix
Watering. Water sparingly, allowing soil to dry out completely between waterings. Avoid waterlogging to prevent root rot.
Fertilizing. Feed lightly during the growing season with a balanced, diluted fertilizer every 4 to 6 weeks. Avoid fertilizing in winter when the plant is dormant.
Brighamia insignis is a slow-growing, drought-tolerant plant that needs bright light and well-draining soil. It is sensitive to overwatering and requires careful watering to avoid root rot. This plant needs patience and attention, making it better suited for experienced growers.
Propagation
- Propagation methods
- Seeds, Cuttings
- Care difficulty
- Hard
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Thick swollen stem, palm-like leaf cluster, fragrant yellow tubular flowers.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, safe to keep around children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Pollen
- Pollen level
- Low
Brighamia insignis is not known to cause allergies. People sensitive to plant pollen or sap generally do not have reactions to this plant. It is safe to keep around most individuals without allergy concerns.
Common problems
Overwatering can cause root rot, and insufficient light may lead to weak growth. It is also vulnerable to pests like mealybugs if not monitored.
Uses
Primarily grown as an ornamental plant for its unique appearance and rare status. It is a collector's plant and used in conservation efforts.
Notes
Prune dead leaves carefully to maintain appearance. Repot only when necessary, as the plant prefers to be slightly root-bound. Protect from frost and cold drafts.