Notocactus haselbergii, commonly known as the Scarlet Ball Cactus, is a striking succulent characterized by its globular shape and vibrant red to pink coloration. Typically reaching heights of about 4-6 inches, this eye-catching cactus is perfect for container gardening or as a focal point in rock gardens. The surface of the cactus is adorned with short, fine spines that create a soft texture, enhancing its visual appeal. In late spring to early summer, Notocactus haselbergii produces beautiful yellow flowers that bloom in a crown around the top, contrasting beautifully with its scarlet body. This cactus thrives in bright, indirect sunlight and prefers well-draining soil to prevent water retention. It is drought-tolerant and requires minimal watering, making it an excellent choice for busy plant owners or beginners. With its vibrant colors and lovely blooms, Notocactus haselbergii is a delightful addition to any succulent collection.
Description
Care & Guide
Placement
| Pot Sizes (Diameter) | 2.5 Inches, 3 Inches, 3.5 Inches |
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Humidity
| Pot Sizes (Diameter) | 2.5 Inches, 3 Inches, 3.5 Inches |
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Soil pH
| Pot Sizes (Diameter) | 2.5 Inches, 3 Inches, 3.5 Inches |
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Fertilizer
| Weight | N/A |
|---|---|
| Pot Sizes (Diameter) | 2.5 Inches, 3 Inches, 3.5 Inches |
Toxicity
| Pot Sizes (Diameter) | 2.5 Inches, 3 Inches, 3.5 Inches |
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3 reviews for Parodia haselbergii (Scarlet Ball Cactus)
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- 🌸 Fragrant cascading flower clusters 15–30 cm long — drooping blue-violet to lavender-purple blooms with a distinctive grape-like scent
- ☀️ Full sun required — at least 6 hours of direct sunlight daily; partial shade reduces or prevents flowering
- 💧 About 1 inch (~25 mm) of water per week — keep soil consistently moist but never waterlogged; well-drained soil essential
- 🌡️ Adaptable across cold to warm climates (−29°C to 43°C); needs a defined cold season to set flower buds reliably
- 📐 Vigorous woody climber — 6–10 m (20–30 ft) in cultivation, twining counterclockwise around any sturdy support
- 🏆 Long-lived perennial — can thrive for over a century with proper pruning, becoming more spectacular each year



Good healthy plant
Beautiful plant
Nice.