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How to Not Kill Your Cactus: A Beginner’s Guide

Yes, even YOU can keep it alive.

We get it—plants can be intimidating. But you thought a cactus would be different, right? “It basically takes care of itself,” they said. “You can’t kill it,” they said. And yet… here you are, googling “why is my cactus dying?”

Don’t worry—you’re not alone. Even the toughest plants need a little TLC (or at least not too much love). Let’s break down the basics of cactus care so yours can actually thrive.

🌞 1. Light Is Everything

Cacti are sun-lovers by nature. They evolved in deserts where sunlight is plentiful, so sticking your cactus on a dark shelf is basically plant punishment.

What to do:

  • Place your cactus near a south- or west-facing window.
  • If sunlight is limited, consider using a grow light.

Red flag: If it starts stretching out like it’s reaching for something, that’s “etiolation”—a sign it needs more light.

💧 2. Stop Watering So Much

Cacti do NOT want weekly watering like your leafy houseplants. In fact, too much water is the #1 cactus killer.

What to do:

  • Water only when the soil is bone dry—like, desert dry.
  • In winter, reduce watering even more (maybe once a month).
  • Always use a pot with drainage holes.

Pro tip: If in doubt, skip watering. Your cactus will forgive you.

🌱 3. Use the Right Soil

Regular potting soil holds too much moisture. Cacti need something fast-draining to mimic the sandy soil of their natural environment.

What to do:

  • Buy a cactus/succulent mix at your local garden center.
  • Or make your own: mix potting soil with sand or perlite.

Warning: If the soil feels soggy 3 days after watering… wrong mix.

🪴 4. Know When to Repot

Cacti grow slowly, but they still need a fresh start every few years. If it looks cramped or the roots are circling the pot, it’s time.

Repotting tips:

  • Spring is the best time to do it.
  • Wear gloves—spines are no joke.
  • Let it dry out for a few days after repotting before watering again.

🐛 5. Watch for Pests

Cacti are tough, but they’re not immune to bugs. Mealybugs, spider mites, and scale can still make themselves at home.

What to do:

  • Inspect your plant regularly.
  • If you see white fuzz or webbing, wipe it off with alcohol on a cotton swab.
  • Isolate the cactus to prevent spreading.

🌟 Final Thoughts

Cactus care isn’t about doing more—it’s about doing less, but doing it right. Give it sun, keep it dry, and let it do its thing. With a little knowledge and a lot less watering, you and your prickly friend are going to get along just fine.

Your cactus doesn’t hate you. It just wants space.

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