Image: AI generated
Ladyfinger Cactus Plant Care
Mammillaria elongata DC.
Updated · Sources · How we source care data
Mammillaria elongata, also known as Golden Star Cactus or Ladyfinger Cactus, is a clustering and columnar cactus with cylindrical stems covered in small golden spines. It produces vibrant pink flowers in spring.
Every 14–21 days
Full sun
60–80°F
20–40%
At a glance
How do you care for Ladyfinger Cactus?
Water Ladyfinger Cactus every 14–21 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 60–80°F (16–27°C) and 20–40% humidity. Fertilize it every month during the growing season.
Where Is the Ladyfinger Cactus Native To?
What Is the Ladyfinger Cactus?
Ladyfinger Cactus (Mammillaria elongata) belongs to the Cactaceae family within the Mammillaria genus. Ladyfinger Cactus is native to Central Mexico. Ladyfinger Cactus is also known as Golden Star Cactus.
Ladyfinger Cactus displays a clustering, columnar growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. Ladyfinger Cactus produces small, dainty, funnel-shaped bloom in shades of pink to light purple.
How Often Should You Water a Ladyfinger Cactus?
Mammillaria elongata requires watering every 14–21 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 14–21 days
Let soil partially dry between waterings
What Light Does the Ladyfinger Cactus Need?
Ladyfinger Cactus thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Ladyfinger Cactus Prefer?
Mammillaria elongata grows best at temperatures of 60–80°F. Ladyfinger Cactus prefers humidity levels of 20–40%.
Temperature
60–80°F
Humidity
20–40%
What Soil Mix Works Best for a Ladyfinger Cactus?
Well-draining soil mix. Good drainage is essential for Ladyfinger Cactus to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Ladyfinger Cactus?
Feed Ladyfinger Cactus every month during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Ladyfinger Cactus?
Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Ladyfinger Cactus?
Ladyfinger Cactus can be propagated through offsets or seeds. Similar propagation techniques also apply to pincushion cactus plant care, which shares the same genus.
Is the Ladyfinger Cactus Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Ladyfinger Cactus, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Ladyfinger Cactus?
Ladyfinger Cactus is susceptible to spider mites, scale insects. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Ladyfinger Cactus Need?
Ladyfinger Cactus grows outdoors in USDA Zone 9b – 11b. It survives winters down to planting zone 9b. Ladyfinger Cactus is native to Central Mexico. In cooler regions, grow Ladyfinger Cactus as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9b – 11b
Keep exploring plants
Ladyfinger Cactus is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Mammillaria genus — compare its care with other Mammillaria species on PlantoScan.
Mammillaria is part of the Cactaceae plant family — browse all Cactaceae genera and species.
Ladyfinger Cactus thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Mammillaria elongata DC., family Cactaceae (first published in in Mém. Mus. Hist. Nat. 17: 109. 1828.) — World Flora Online record, Wikidata.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Ladyfinger Cactus, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: AI-generated illustration (labelled on the image).
- Hardiness zone: USDA Zone 9b – 11b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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