Sclerocactus polyancistrus, the Mohave fishhook cactus or redspined fishhook cactus, is a species of flowering cactus in the genus Sclerocactus. It is found in the Mojave Desert in the Southwestern United States.
The Redspined fishhook cactus has strong resistance to disease and can tolerate typical care without becoming ill easily. That said, it can be vulnerable to mealybugs; these pests may cause some harm but are usually not a major menace. Regarding care needs, the Redspined fishhook cactus is drought-tolerant and does not require frequent watering. It endures long stretches without water and needs little fertilizer. However, it is very prone to root rot if it receives poor light and is watered too much. In general, the Redspined fishhook cactus is a good choice for people who prefer low-maintenance plants, though it remains important to know and meet its basic requirements. It is especially suitable for those who are away for extended periods and might forget to water regularly.
How to keep Sclerocactus Polyancistrus.
Light
Originating in arid areas, the Redspined fishhook cactus performs best in full sun, as its native habitat has intense sunlight and very little shade. It can also tolerate partial sun, providing some flexibility in its growth.
Water
The redspined fishhook cactus is drought-tolerant and only requires thorough watering when the soil is dry. From spring to fall, water the cactus once a week. In winter, reduce watering to just once every two weeks. It's best to use rainwater or distilled water to prevent soil compaction. Be careful not to splash water on the cactus's stem to avoid rotting.
Temperature
The redspined fishhook cactus performs best in warm conditions and needs elevated temperatures during the growing season to support growth and metabolism. It prefers abundant sunlight, suitable moisture levels, and good ventilation. It can be damaged by very low temperatures and by overwatering. Likewise, it’s important to keep conditions balanced and to avoid extreme heat or excessive dryness.
Fertilizer
Apply light doses of fertilizer once or twice a year during the growing season. Do not fertilize in winter or in summer when the plant is dormant. Cut back on fertilizer for recently repotted plants and wait a couple of months after repotting before feeding. Fertilizing helps maintain healthy growth and encourages blooms.
Pruning
The Redspined Fishhook Cactus is characterized by its distinctive red, fishhook-shaped spines and requires minimal pruning to maintain its health. For optimal care, prune in early spring to remove any dead spines, which will help improve air circulation and prevent pest infestations. Always use sterilized tools to reduce the risk of disease transmission. Following these simple steps will ensure your Redspined Fishhook Cactus remains vibrant and healthy throughout the year.
Botanical profile.
- Plant Type
- Succulent
- Life Cycle
- Perennial
- Genus
- Sclerocactus
- Family
- Cactaceae
- Hardiness Zone
- 7-10
- Mature Height
- 0 cm to 30 cm
- Mature Spread
- 10 cm to 15 cm
- Leaf Color
- Green, Dark Green
- Leaf Type
- Evergreen
- Flower Color
- Pink, Purple
- Flower Size
- 5.08 cm to 6.35 cm
- Bloom Time
- Mid spring, Late spring
- Planting Time
- Spring, Summer
- Harvest Time
- Early summer, Mid summer
Other names.
