Mammillaria sheldonii
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Mammillaria sheldonii is a slender clustering cactus species from north-western Mexico, producing narrow cylindrical stems covered in fine radial spines and darker central spines. Mature plants can form dense clumps over time, especially when grown in strong light and warm conditions.
During the warmer months, established plants may produce rings of pink to magenta flowers near the stem tips, contrasting strongly against the fine spination.
Care
- Light: Bright light to full sun.
- Water: Water during active growth, allowing the mix to dry between watering.
- Temperature: Warm to intermediate growing conditions.
- Media: Very free-draining cactus or mineral-based mix.
- Feeding: Light feeding during spring and summer.
- Dormancy: Keep drier during cooler months.
Key Characteristics
- Growth habit: Clustering cylindrical cactus
- Stem form: Slender upright stems
- Spines: Fine radial spines with darker central spines
- Flower colour: Pink to magenta
- Blooming season: Usually spring to summer
- Plant size: Small to medium clumping species
- Origin: Mexico
Shipping and Biosecurity Information
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Dispatch:
Orders are dispatched on a rolling basis.
Most orders ship within 3–5 business days, depending on biosecurity processing, weather, and order size.
Express Shipping speeds up transit after dispatch only.
Biosecurity Fees:
- WA & TAS: $20 per order
- NT: $10 per order
Fees are included at checkout and cover mandatory plant health certification.
Important:
A physical address is required for certification (delivery to PO Boxes is still allowed).
Collectors Online operates independently from Collectors Corner.
Size: 66mm Pot