Plant Care Goat's Horn Cactus

Goat's Horn Cactus

Taxonomy

Astrophytum senile
Astrophytum
Cactaceae
Caryophyllales

How to care for Goat's Horn Cactus

💦 Water

How often to water your Goat's Horn Cactus

Water needs for Goat's Horn Cactus
0.5 cups
every 12

Goat's Horn Cactus needs 0.5 cups of water every 12 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
12

Does your plant get direct sunlight?

Select the pot size

5"
☀️ Light

Finding light for Goat's Horn Cactus in your home

Light needs and placement for plant Goat's Horn Cactus: 1ft from a window
1ft or less from
a window

Goat's Horn Cactus love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Goat's Horn Cactus does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Goat's Horn Cactus in your home 🏡.

🪴 Nutrients

How to fertilize Goat's Horn Cactus

Nutrient, fertilizer, and repotting needs for Goat's Horn 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 Goat's Horn Cactus after it doubles in size or once a year—whichever comes first.

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💡 FAQs
💦 Water Needs

Goat's Horn 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.


☀️ Sunlight Needs

Goat's Horn Cactus requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.


🐶 🐈 👶 Toxicity

Goat's Horn 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.


💨 Humidity

Goat's Horn Cactus prefers dry environments. Providing extra humidity or misting your plant allows water to linger on leaves, which can create the perfect environment for harmful types of fungi.


🪴 Soil

Goat's Horn Cactus is very sensitive to wet soil, so choose a potting soil that drains very well and doesn’t retain too much moisture. A good soil will have lots of perlite or vermiculite for drainage and some organic matter for nutrition. A few handfuls of perlite added to regular store-bought cactus soil will do the trick!


💩 Fertilizer

Goat's Horn Cactus grows very slowly and doesn’t require added fertilizer. Replacing your plant’s potting soil once a year should provide them with more than enough nutrition. Remember, plants get their energy from sunlight, not fertilizer!


🌎 Native Region

Goat's Horn Cactus is native to North America.


🌦️ Growing Outdoors

USDA Hardiness Zone
Goat's Horn Cactus can be grown outdoors in USDA Hardiness Zones 9a-11b. Find your local hardiness zone here.


🧐 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 Issues

Overwatering is a likely cause of issues with Goat's Horn 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!


Care Summary for Goat's Horn Cactus

Goat's Horn Cactus


Greg recommends:

Water

0.5 cups every 12 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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