Notocactus Haselbergii
Parodia haselbergii
Haselbergii
About this plant
Notocactus haselbergii is a small, round cactus known for its attractive ribbed body and bright yellow flowers. It is popular among cactus enthusiasts for its easy care and decorative appeal. This cactus stores water in its thick stem, making it drought-tolerant and suitable for indoor or outdoor growing in warm climates.
Taxonomy
- Genus
- Parodia
- Family
- Cactaceae
- Higher classification
- Order: Caryophyllales
- Plant type
- Succulent
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Brazil, Uruguay
- Distribution
- Native to southern Brazil and Uruguay; cultivated worldwide as an ornamental plant.
Care
- Light preference
- Full sun
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- South-facing, West-facing, East-facing
- Watering frequency
- Rare
- Watering interval
- 14–21 days
- Humidity
- Low
- Minimum
- 5 °C
- Maximum
- 35 °C
- Optimal
- 18-26 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5 (slightly acidic to neutral)
- Soil type
- well-draining cactus or succulent mix
Watering. Water sparingly, allowing soil to dry completely between waterings. Reduce watering in winter when the plant is dormant.
Fertilizing. Feed with a balanced cactus fertilizer diluted to half strength during the growing season (spring and summer), about once a month. Avoid fertilizing in winter when the plant is dormant.
Notocactus haselbergii is a hardy cactus that needs minimal care. It prefers bright light and well-draining soil. Overwatering can cause root rot, so water sparingly, allowing the soil to dry out between waterings. It is suitable for beginners and thrives with little maintenance.
Propagation
- Propagation methods
- Seeds, Cuttings
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- spring
Rounded green body with ribs and spines, bright yellow flowers in spring.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Not toxic to humans or pets, but spines can cause injury if handled carelessly.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Skin contact
- Pollen level
- Low
Notocactus haselbergii is generally safe and unlikely to cause allergies. However, some people sensitive to cactus spines might experience mild skin irritation if touched. To avoid this, handle the plant carefully and wear gloves when repotting or pruning.
Common problems
Overwatering can lead to root rot and fungal infections. Insufficient light may cause the cactus to become elongated and weak. Pests like mealybugs or spider mites may occasionally appear but are usually easy to control.
Uses
Primarily grown as an ornamental plant for indoor decoration or rock gardens.
Notes
Repot every 2-3 years in spring using a cactus mix. Be careful when handling due to spines. Protect from frost and temperatures below 5°C (41°F).