Mammillaria geminispina (Syn. elegans) – Twin-Spined Cactus
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Twin-Spined Cactus – Mammillaria geminispina (Syn. elegans)
Mammillaria geminispina is a striking, globular cactus native to central Mexico, where it thrives in rocky and arid regions. It is known for its dense, white radial spines and striking magenta-pink flowers that encircle the crown. Previously classified as Mammillaria elegans, this name is now considered a synonym rather than a distinct variety. The species naturally forms clumping clusters over time, making it a favourite for collectors and rock garden enthusiasts.
Distinctive Features
- Dense White Spines: A woolly, soft appearance created by numerous fine, white radial spines.
- Vibrant Pink Flowers: Produces a ring of magenta to pink blooms, usually in late winter or early spring.
- Clumping Growth Habit: Forms dense mounds of globular stems over time, creating a striking sculptural effect.
Care Tips
- Light: Prefers bright, indirect light to full sun; partial shade in extreme heat prevents stress.
- Water: Allow the soil to dry out between waterings; reduce watering significantly in winter.
- Humidity: Thrives in low humidity; avoid excess moisture to prevent rot.
- Temperature: Ideal range is 10-30°C; protect from frost as it is not cold-hardy.
- Fertiliser: Feed with a diluted cactus fertiliser every 4-6 weeks during active growth.
- Potting: Use a well-draining cactus mix with added pumice or perlite.
- Propagation: Easily propagated from offsets; let cuttings dry before planting to prevent rot.
Additional Notes
- Non-toxic to pets, making it a safe option for households.
- Prone to rot if overwatered—ensure proper drainage and allow soil to dry out completely between waterings.
- Its attractive blooms attract pollinators, particularly small bees.
Mammillaria geminispina is a resilient and visually appealing cactus that offers both structural beauty and seasonal floral displays. With minimal care requirements, it thrives in pots, rockeries, or xeriscape gardens, adding a touch of Mexico’s rugged charm to any collection.
Shipping Schedule & Biosecurity Information
- Dispatch Day: All orders are dispatched on Tuesdays.
- Cut-off for Same Week Dispatch: Orders must be placed by Monday 7am (AEST) to be sent that week. Orders placed after this will be dispatched the following Tuesday.
WA, NT & TAS Orders
- Cut-off: Orders to WA, NT and TAS must be placed by Friday 7am (AEST) to be included in the following week’s dispatch.
- Treatment & Delay: These orders require biosecurity treatment and certification, which is completed each Friday. Please allow an additional 1–2 weeks for processing.
Plant Health Certification (PHAC) Fees
- $20 fee applies to WA orders.
- $10 fee applies to NT and TAS orders.
- This fee is per order (not per plant) and is included in your shipping cost at checkout.
Size: 66mm pot
