Problems

Philodendron Imperial Green Problems: Causes & Quick Fixes

Quick answer

Philodendron Imperial Green is prone to 8 common issues - each link below is a plant-specific fix guide.

Philodendron Imperial Green problems

Use the guides below to diagnose and fix common issues on Philodendron Imperial Green. Each problem page explains why it happens on this species and what to do first.

Or use our problem diagnosis tool to narrow down symptoms.

Common problems on Philodendron Imperial Green

Ants on Plant

Low

Likely cause: Philodendron is a large genus of flowering plants in the family Araceae. As of September 2025, the Plants of the World Online …

Quick fix: Confirm diagnosis on your Philodendron Imperial Green, then address the most likely care or pest factor described in current extension guidance.

Full fix guide →

Brown Tips

Medium

Likely cause: Low humidity

Quick fix: Increase humidity to 50%+

Full fix guide →

Likely cause: Feb 21, 2024 · Philodendron Types with Pictures and Care Guide The green heartleaf Philodendron is a vining type of plant with dark-green leaves in a heart’s shape. This type of Philodendron can be grown …

Quick fix: Confirm diagnosis on your Philodendron Imperial Green, then address the most likely care or pest factor described in current extension guidance.

Full fix guide →

Leaf Drop

Medium

Quick fix: Confirm diagnosis on your Philodendron Imperial Green, then address the most likely care or pest factor described in current extension guidance.

Full fix guide →

Leaf Spot Disease

Medium

Quick fix: Confirm diagnosis on your Philodendron Imperial Green, then address the most likely care or pest factor described in current extension guidance.

Full fix guide →

Root Rot

Medium

Likely cause: Wet soil

Quick fix: Repot in fresh draining mix

Full fix guide →

Slow Growth

Low

Likely cause: Low light

Quick fix: Move to medium-bright indirect light

Full fix guide →

Yellow Leaves

Medium

Likely cause: Overwatering

Quick fix: Allow top 3–5 cm to dry

Full fix guide →

Frequently asked questions

How often should I water Philodendron Imperial Green?

Every 7–10 days in summer - allow top 3–5 cm to dry. Every 10–14 days in winter.

What light does Philodendron Imperial Green need?

Philodendron Imperial Green grows best in medium to bright indirect light, low indirect light.

Is Philodendron Imperial Green toxic to pets?

Philodendron Imperial Green is toxic to cats, dogs, rabbits, birds, horses, turtles, and tortoises. Keep out of reach of curious pets and choose pet-safe alternatives for accessible spots.

How do I propagate Philodendron Imperial Green?

Propagate Philodendron Imperial Green from healthy stem or root divisions during active growth.

What soil is best for Philodendron Imperial Green?

Use standard potting mix + 20–25 % perlite. Well-draining aroid mix. pH 5.5–6.5.

When should I repot Philodendron Imperial Green?

Repot Philodendron Imperial Green when roots circle the pot or growth slows despite good care.

Why does my Philodendron Imperial Green have ants on plant?

Philodendron is a large genus of flowering plants in the family Araceae. As of September 2025, the Plants of the World Online … Quick fix: Confirm diagnosis on your Philodendron Imperial Green, then address the most likely care or pest factor described in current extension guidance.

How this Philodendron Imperial Green problems guide is reviewed?

Editorial policy Review board

Written by · Reviewed by LeafyPixels Review Board · Updated June 17, 2026

This Philodendron Imperial Green problems problem guide was researched and written by . Problems symptoms on Philodendron Imperial Green, lookalike causes, and step-by-step fixes are cross-checked against extension pest, disease, and care references before publication.

We prioritize sources that hold up under scrutiny:

University cooperative extension bulletins and fact sheets (Penn State, Clemson, UMD, NC State, and similar programs)
Botanical garden and horticultural society publications
Peer-reviewed plant science and veterinary toxicology references where pet safety matters (including ASPCA Animal Poison Control)
Established reference works on indoor plant culture

The LeafyPixels editorial team then reviews the draft for clarity, step-by-step usefulness, and fit with real apartment and home conditions-not ideal greenhouse setups. When guidance changes materially, we update the page and note the revision date.

Sources used

American serpentine leafminer (*L. trifolii*) (n.d.) IN506. [Online]. Available at: https://edis.ifas.ufl.edu/publication/IN506 (Accessed: 17 June 2026).
aphids, soft scale, or mealybugs (n.d.) What Sticky Substance All Over Table Floor And Lower Leaves My Houseplant. [Online]. Available at: https://yardandgarden.extension.iastate.edu/faq/what-sticky-substance-all-over-table-floor-and-lower-leaves-my-houseplant (Accessed: 17 June 2026).
ASPCA Animal Poison Control (n.d.) Animal Poison Control. [Online]. Available at: https://www.aspca.org/pet-care/animal-poison-control (Accessed: 17 June 2026).
Bringing houseplants indoors (n.d.) Bringing Houseplants Indoors. [Online]. Available at: https://extension.psu.edu/bringing-houseplants-indoors (Accessed: 17 June 2026).
brown leaf tips to underwatering and salt buildup (n.d.) Troubleshooting. [Online]. Available at: https://extension.illinois.edu/houseplants/troubleshooting (Accessed: 17 June 2026).
circular patches, sometimes with yellowish margins (n.d.) Houseplant Diseases Disorders. [Online]. Available at: https://hgic.clemson.edu/factsheet/houseplant-diseases-disorders/ (Accessed: 17 June 2026).
common houseplant sap feeders that produce honeydew (n.d.) Insect Pests Houseplants. [Online]. Available at: https://extension.msstate.edu/publications/insect-pests-houseplants (Accessed: 17 June 2026).
common indoor plant problems guide (n.d.) Problems Common To Many Indoor Plants. [Online]. Available at: https://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/visual-guides/problems-common-to-many-indoor-plants (Accessed: 17 June 2026).
Contact sprays and soaps (n.d.) Vegleafminers. [Online]. Available at: https://ipm.ucanr.edu/PMG/GARDEN/VEGES/PESTS/vegleafminers.html (Accessed: 17 June 2026).
feed on honeydew excreted by aphids and soft scales (n.d.) Ants. [Online]. Available at: https://extension.umn.edu/insects-infest-homes/ants (Accessed: 17 June 2026).
grow more slowly and use less water (n.d.) Lighting Indoor Plants. [Online]. Available at: https://extension.umn.edu/planting-and-growing-guides/lighting-indoor-plants (Accessed: 17 June 2026).
Honeydew from scale indoors may attract ants (n.d.) Scale Insects Indoor Plants. [Online]. Available at: https://extension.umd.edu/resource/scale-insects-indoor-plants (Accessed: 17 June 2026).
insecticidal soap or horticultural oil (n.d.) Common Houseplant Insects Related Pests. [Online]. Available at: https://hgic.clemson.edu/factsheet/common-houseplant-insects-related-pests/ (Accessed: 17 June 2026).
isolate the plant (n.d.) Insects Indoor Plants. [Online]. Available at: https://extension.umn.edu/product-and-houseplant-pests/insects-indoor-plants (Accessed: 17 June 2026).
leaf drop and yellowing from environmental shock (n.d.) Online resource. [Online]. Available at: https://hgic.clemson.edu/?s=leaf+drop+and+yellowing+of+houseplants (Accessed: 17 June 2026).
leaf miner damage (n.d.) 06%3A Diagnosing Plant Damage. [Online]. Available at: https://bio.libretexts.org/Bookshelves/Botany/Virginia_Cooperative_Extension_Gardener_Handbook/06%3A_Diagnosing_Plant_Damage (Accessed: 17 June 2026).
Micans (n.d.) Hybrid Philodendrons. [Online]. Available at: https://gardeningsolutions.ifas.ufl.edu/plants/houseplants/hybrid-philodendrons/ (Accessed: 17 June 2026).
Odorous house ants and Argentine ants (n.d.) A Guide To House Invading Ants And Their Control. [Online]. Available at: https://content.ces.ncsu.edu/a-guide-to-house-invading-ants-and-their-control (Accessed: 17 June 2026).
over-fertilization and soluble salts (n.d.) Pest And Disease Problems Of Indoor Plants. [Online]. Available at: https://extension.psu.edu/pest-and-disease-problems-of-indoor-plants (Accessed: 17 June 2026).
overwatering is a common cause of houseplant problems (n.d.) Overwatering. [Online]. Available at: https://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/insects-pests-and-problems/environmental/overwatering (Accessed: 17 June 2026).
Philodendron Imperial Green is toxic to pets (n.d.) Philodendron Pertusum. [Online]. Available at: https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/philodendron-pertusum (Accessed: 17 June 2026).
pruning of mined leaves (n.d.) Leafminers Ornamental Plants. [Online]. Available at: https://extension.umd.edu/resource/leafminers-ornamental-plants (Accessed: 17 June 2026).
Quarantine every new philodendron for two weeks (n.d.) Aphids. [Online]. Available at: https://pestsense.cahnrs.wsu.edu/fact-sheet/aphids/ (Accessed: 17 June 2026).
repotted when root-bound, ideally in spring (n.d.) Philodendron. [Online]. Available at: https://plants.ces.ncsu.edu/plants/philodendron/ (Accessed: 17 June 2026).
reproduce quickly (n.d.) Aphids. [Online]. Available at: https://extension.umn.edu/yard-and-garden-insects/aphids (Accessed: 17 June 2026).
salt buildup (n.d.) Diagnosing Houseplant Problems Related Poor Culture. [Online]. Available at: https://yardandgarden.extension.iastate.edu/how-to/diagnosing-houseplant-problems-related-poor-culture (Accessed: 17 June 2026).
secondary outbreaks after aphid or mite sprays (n.d.) Leaf Miners. [Online]. Available at: https://ucanr.edu/site/uc-marin-master-gardeners/article/leaf-miners (Accessed: 17 June 2026).
self-heading philodendron (n.d.) Growing Guide. [Online]. Available at: https://www.rhs.org.uk/plants/philodendron/growing-guide (Accessed: 17 June 2026).
sudden changes in light, temperature, or humidity (n.d.) Houseplant Problems. [Online]. Available at: https://ipm.ucanr.edu/home-and-landscape/houseplant-problems/ (Accessed: 17 June 2026).
tend sap feeders so predators cannot reach them (n.d.) Aphids. [Online]. Available at: https://ipm.ucanr.edu/home-and-landscape/aphids/ (Accessed: 17 June 2026).
the top inch of soil is dry (n.d.) Philodendron Houseplant How. [Online]. Available at: https://extension.sdstate.edu/philodendron-houseplant-how (Accessed: 17 June 2026).
toxic to cats and dogs (n.d.) Variegated Philodendron. [Online]. Available at: https://www.aspca.org/pet-care/aspca-poison-control/toxic-and-non-toxic-plants/variegated-philodendron (Accessed: 17 June 2026).
trail to honeydew on ornamental plants (n.d.) Antmanagement. [Online]. Available at: https://ipm.ucanr.edu/PMG/GARDEN/CONTROLS/antmanagement.html (Accessed: 17 June 2026).
translucent spots on leaf margins that become reddish-brown with yellow halos (n.d.) Philodendron Diseases. [Online]. Available at: https://extension.psu.edu/philodendron-diseases (Accessed: 17 June 2026).
water-soaked at first (n.d.) Bacterial Leaf Spots Indoor Plants. [Online]. Available at: https://extension.umd.edu/resource/bacterial-leaf-spots-indoor-plants (Accessed: 17 June 2026).
wet leaves and stagnant air (n.d.) Fungal Leaf Spots Indoor Plants. [Online]. Available at: https://extension.umd.edu/resource/fungal-leaf-spots-indoor-plants (Accessed: 17 June 2026).
yellowing of lower leaves and death of growing tips (n.d.) Philodendron Pothos Monstera. [Online]. Available at: https://hgic.clemson.edu/factsheet/philodendron-pothos-monstera/ (Accessed: 17 June 2026).