Roots are growing out of the drainage holes: If you see white or light brown roots peeking through the bottom of the pot or circling the top of the soil, the plant has outgrown its home.

Soil dries out too quickly: If you’re watering every 3-4 days (even in moderate light) and the soil still feels dry, it means the roots have taken up most of the pot, leaving little room for soil to hold moisture.

Growth slows or spathes fade: Stunted leaves or dull, short-lived spathes can indicate the plant isn’t getting enough nutrients from old soil.

It’s been 2+ years since the last repot: Even if you don’t see obvious signs, soil breaks down over time—replacing it every 1-2 years (in spring, during the growing season) keeps it fresh and well-draining.

Choose the right pot: A pot that’s 1-2 inches larger than the current one is perfect—too big a pot holds excess soil, which stays wet longer and causes root rot. Terra cotta pots are ideal because they’re porous and help soil dry out evenly.

Add a drainage layer (optional): If the pot has large drainage holes, line the bottom with a ½-inch layer of gravel or broken pottery to prevent soil from washing out.

Moisten the soil: Lightly dampen the fresh soil mix with room-temperature water. It should feel like a wrung-out sponge—damp but not soaking. This helps the soil settle around the roots and reduces transplant shock.

Loosen the soil: Gently tap the sides of the old pot to loosen the root ball. If the plant is stuck, run a knife along the edge of the pot to separate the soil from the sides.

Pull the plant out carefully: Hold the anthurium by the base of its stem (not the leaves or spathes) and gently pull it out. If it resists, don’t yank—tap the pot again or squeeze it slightly (if it’s plastic) to release the root ball.

Check for root rot: Gently brush off excess old soil to see the roots. Healthy roots are white or light brown and firm; rotted roots are brown, mushy, and smell like decay.

Trim damaged roots: Use clean scissors to cut off all rotted or dead roots. Cut back to healthy tissue—if more than half the roots are rotted, trim a few of the oldest leaves too (this reduces the plant’s water needs while roots heal).

Rinse roots (if needed): If there’s a lot of old, compacted soil, rinse the roots with room-temperature water to remove it. This helps you see rot more clearly and lets new soil make better contact with healthy roots.

Add soil to the bottom of the new pot: Pour 1-2 inches of fresh soil into the pot. Place the anthurium in the center—make sure the top of the root ball is ½ inch below the rim of the pot (this leaves room for watering).

Fill in with soil: Gently pack soil around the root ball, using your fingers or a trowel to fill in gaps. Don’t compact the soil too hard—keep it light and airy to let roots breathe.

Water lightly: After planting, give the anthurium a small amount of room-temperature water to settle the soil. Don’t overwater—wait until the top 1 inch of soil dries out before watering again.

Place it in a low-light spot: For the first 1-2 weeks, keep the repotted anthurium in bright, indirect light (not its usual spot). This reduces stress while the roots adjust.

Avoid fertilizing: Wait 4-6 weeks before fertilizing—new soil has nutrients, and fertilizing too soon can burn fresh roots.

Monitor for shock: It’s normal for the plant to droop slightly for a few days. If wilting lasts more than a week, check if the soil is too wet (root rot) or too dry (underwatering).

Above-ground signs: Wilting leaves (even when soil is wet), yellowing leaves (starting from the bottom), and a musty, earthy smell from the soil. The stem may feel soft or mushy near the soil line.

Below-ground signs: When you remove the plant, roots are brown, mushy, and fall off easily (healthy roots are white and firm).

Use a well-draining soil mix (never heavy garden soil).

Choose a pot with drainage holes.

Avoid overwatering—always check soil moisture before watering.

Don’t let the pot sit in standing water.

Fungal leaf spot: Small, dark brown or black spots with yellow halos on leaves. As the disease progresses, spots grow larger and may merge, causing leaves to turn yellow and drop.

Bacterial leaf spot: Water-soaked, translucent spots that turn brown or black. The spots may have a greasy appearance, and the leaf tissue around them may be soft.

Water at the base of the plant, not the foliage.

Maintain 50-70% humidity (not higher)—too much humidity encourages disease.

Wipe dust off leaves every 2 weeks—dust blocks air flow and traps moisture.

Keep anthuriums away from other infected plants.

White, fuzzy or powdery patches on the tops of leaves (rarely the undersides).

Affected leaves may curl, turn yellow, or drop early.

Spathes may develop white spots and lose their vibrancy.

Avoid overcrowding plants—give your anthurium space to breathe.

Don’t mist too often—keep humidity between 50-70%.

Place the plant in bright, indirect light—strong light helps prevent fungal growth.

Aphids: Tiny green, black, or brown bugs clustered on leaf stems and new growth.

Mealybugs: White, cotton-like bugs on leaf undersides and along stems.

Spider mites: Tiny red or brown bugs; look for fine webbing on leaves (especially undersides) and yellow stippling on leaf surfaces.

Wipe them off: For small infestations, use a damp cloth to wipe bugs off leaves.

Use insecticidal soap: Mix 1 teaspoon mild liquid soap (castile soap works best) with 1 quart water. Spray the plant thoroughly (top and bottom of leaves) every 3-5 days until pests are gone.

Try neem oil: Neem oil kills pests and prevents future infestations. Dilute 1 tablespoon neem oil with 1 quart water and spray the plant—avoid direct sunlight after spraying (it can burn leaves).

Inspect new plants before bringing them home—quarantine them for 2 weeks to ensure they’re pest-free.

Wipe leaves with a damp cloth every 2 weeks—dust attracts pests.

Avoid overfertilizing—too much nitrogen makes leaves soft and attractive to pests.

Repot every 1-2 years (spring): Use a pot 1-2 inches larger, fresh well-draining soil, and handle roots gently.

Water wisely: Only when top 1-2 inches of soil are dry—avoid overwatering (the #1 cause of disease).

Keep conditions right: Bright indirect light, 65-80°F temperature, 50-70% humidity, and good air flow.

Inspect regularly: Check leaves, roots, and spathes weekly for signs of disease or pests—early action saves your plant.