Common Causes (and How to Save It)

We’ve all heard the saying, “A little knowledge is a dangerous thing.” That applies perfectly to bonsai. Growing one isn’t impossible — but it does require knowing some fundamentals.

Think of it like owning tropical fish: you can’t just admire them in the tank and hope for the best. Without proper care, things can go south quickly.

If your bonsai is looking sad… or worse (crispy, wilted, brown, and resembling something from a haunted house), here are the most likely reasons — plus what you can do about it.

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1. The “Angry Bonsai Gods” Theory

Problem: Clearly, you’ve displeased the mystical forces of miniature trees.

Solution: Bury a squirrel under the porch during the dark of the moon.

(Just kidding. Please don’t do this. Unless you enjoy awkward conversations with the neighbors.)

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2. It Was Already Dead When You Bought It

Not all bonsai sellers are equal. That “bargain” tree from a gas station parking lot or stacked in the back of a big-box store might already be beyond saving.

Fix:

• Buy from a reputable bonsai dealer — someone who can offer advice and will still be around when you come back with questions.
• Avoid assuming that store clerks at big retail chains know anything about bonsai care (they usually don’t).

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3. You’re Killing It with Kindness

Overwatering is the #1 beginner mistake. A constantly wet soil mass suffocates the roots, leading to rot.

Fix:

• Aim for soil that’s moist but never soggy.
• Stick your finger in the soil — if it feels dry just below the surface, it’s time to water.
• Factors like season, location, and plant type will affect how quickly your tree dries out.
• Mist the foliage regularly if indoors, and consider using a humidity tray.
• Whenever possible, keep your indoor bonsai outside in warm weather.

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4. Pest Invasion

Spider mites, scale, mealybugs, whiteflies, and thrips all think bonsai make excellent homes.

Fix:

• Inspect regularly for pests.
• Use a ready-to-use insecticide spray.
• Rinse the foliage with a sprayer to wash off many insects.

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5. Starvation

Bonsai in pots have limited soil and therefore limited nutrients. Without fertilizer, they’ll weaken over time.

Fix:

• Feed every two weeks during the growing season with a balanced fertilizer like Bonsai Pro.
• Rotate your bonsai to prevent uneven growth.
• Avoid keeping it in too much shade — bonsai love light.

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6. You Don’t Know What You Have

If you can’t say whether your bonsai is tropical or temperate, you’re flying blind.

Fix:

• Learn the basics of bonsai care before you start experimenting.
• Read a bonsai care guide or take a class — it’s not complicated, but you do need some foundation.
• Remember: a bonsai is not a specific plant species — it’s a growing style applied to many types of trees.

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Final Thought

Bonsai care isn’t about luck or mystical forces. It’s about giving your tree the right balance of light, water, nutrients, and environment. A little reading, observation, and patience will get you much further than guessing.

And if all else fails… well, at least now you know it wasn’t the squirrels.