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Star Rock Cactus

Taxonomy

Scientific name

Ariocarpus retusus 'Brevituberosus'

Genus

Airocarpus

How to care for Star Rock Cactus

💦 Water

How often to water your Star Rock Cactus

Star Rock Cactus needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Water 0.5 cups every
9

Does your plant get direct sunlight?

No Yes

Select the pot size

☀️ Light

Finding light for Star Rock Cactus in your home

Star Rock Cactus may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.

Place it less than 3 feet from a south-facing window to maximize the potential for growth.

Select your region to see how the current weather in your area affects the placement of Star Rock Cactus in your home 🏡.

🪴 Nutrients

How to fertilize Star Rock Cactus

Nutrient, fertilizer, and repotting needs for Star Rock Cactus: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Star Rock Cactus after it doubles in size or once a year—whichever comes first.

💡 FAQs

💦 Water Needs

Star Rock Cactus thrives in dry soil and should be watered sparingly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Star Rock Cactus Water Frequency →

Star Rock Cactus Root Rot →

🐶 🐈 👶 Toxicity

Star Rock Cactus is not known to cause harm to humans or pets. Regardless, if you, a family member, a cat, or dog has ingested any plant material, please consult a doctor or a veterinarian.

🌦️ Growing Outdoors

USDA Hardiness Zone
Star Rock Cactus can be grown outdoors in USDA Hardiness Zones 9a-11b. Find your local hardiness zone here.

Star Rock Cactus Temperature Tolerance →

Star Rock Cactus Hardiness Zones →

Landscaping Ideas with Star Rock Cactus →

When to Plant Star Rock Cactus →

How to Plant Star Rock Cactus →

Where to Plant Star Rock Cactus →

Winter Care for Star Rock Cactus →

Best Companion Plants for Star Rock Cactus →

Is Star Rock Cactus a Weed? →

🧐 Troubleshooting

When troubleshooting a sad-looking houseplant, start by checking for signs of distress in its leaves, such as yellowing, browning, or drooping, which can indicate overwatering or nutrient deficiencies.

Inspect the soil moisture; too dry or too wet soil can cause problems.

Ensure the plant is getting the right amount of light, as too much or too little can stress it.

Finally, consider environmental factors like temperature and humidity, and adjust care routines accordingly to revive your plant.

Common Bugs Affecting Star Rock Cactus →

What Eats Star Rock Cactus? →

😖 Common Issues

Overwatering is a likely cause of issues with Star Rock Cactus. These plants are very sensitive to wet soil so if you notice your plant becoming squishy or translucent, overwatering is the likely culprit.

Cut your plant just past where the rot ends and allow it to callus over for a few days before replanting it in fresh, dry soil. Download Greg to make sure your plant never gets overwatered again!