Honest houseplant care guides — sourced, tested, cited.
Houseplant care guides for 136 species and topics, 83 ASPCA-verified plants, and 32 pet-safe picks. Every claim cites a primary source — ASPCA, NC State Extension, UC IPM.
Where do you want to start?
Three free tools, no signup.
Plant ID from a photo
Upload a leaf. Get the species, ASPCA pet-safety status, and the matching care guide. Powered by PlantNet.
Diagnose a problem
Pick the symptom. Answer 2–3 questions. Get the cause and what to do first — sourced from extension labs.
Browse pet-safe plants
32 houseplants verified cat- and dog-safe against the ASPCA Animal Poison Control database.
Most-asked questions this season
All troubleshooting →
Why is my monstera turning yellow?
Overwatering, light, or natural shedding — the diagnosis lives in the pot.
Why does my plant have brown leaf tips?
Tap-water minerals, low humidity, or sunburn. How to tell which.
Can I save a plant with root rot?
Yes, if you catch it in time. The honest survival odds + step-by-step.
How do I get rid of fungus gnats?
Bti, sticky traps, and the soil-watering change that actually works.
How do I treat spider mites on houseplants?
Fine webbing on undersides. The 3-week treatment protocol that breaks the cycle.
Which plants actually need a humidifier?
Per-species RH targets. Three plants where it transforms the leaves.
Diagnose any plant problem in 10 seconds.
Yellow leaves, brown tips, wilting, pests, watering schedule, light decoder. Cited against ASPCA & NC State.
Three picks worth the money
Best moisture meter
Ends the watering guesswork. Under $15, no batteries. The one piece of gear that prevents more dead plants than any other.
Best humidifier for plants
Cool-mist, 2.5L tank, top-fill. The only humidity intervention that actually moves the hygrometer. Pebble trays do nothing.
Best fungus gnat treatment
Bti (Mosquito Bits) + yellow sticky traps. The university-extension protocol that kills the larvae, not just the adults.
Affiliate disclosure: gear pages include Amazon affiliate links. I only recommend products I've personally used or that primary horticultural sources back.
I write the guides on this site. The ones about plants I have grown are first-person; the ones about plants I have not are sourced entirely from primary horticultural literature. Either way, every claim cites a source.
Last updated June 14, 2026 · 20 primary sources cited site-wide
Frequently asked
Who writes indoorplantcare.com?
Thomas Joseph. I write the guides on this site. The ones about plants I have grown are first-person; the ones about plants I have not are sourced entirely from primary horticultural literature. Either way, every claim cites a source.
How do I know your plant toxicity information is accurate?
Every toxicity claim on this site cites the ASPCA Toxic and Non-Toxic Plants database directly. Where ASPCA has no standalone entry, I cite NC State Plant Toolbox or University of Illinois Veterinary Medicine instead. The plant database is verified against primary sources on an ongoing basis.
What is the best indoor plant for beginners?
Pothos and snake plant are the two species I recommend most often for first-time plant owners. Both tolerate low light, both forgive irregular watering, and both propagate easily. The honest tradeoff: both are toxic to cats and dogs per ASPCA, so cat households should consider spider plant or parlor palm instead.
How often should I water my houseplants?
It depends on the plant, pot, light, and season. Use the watering frequency calculator on this site for a personalized starting point. As a rule of thumb: most tropical houseplants want water when the top inch of soil is dry. Succulents and snake plants want the soil bone-dry. Always finger-test before watering on a schedule.
Is this site monetized?
Yes. Gear pages contain Amazon affiliate links. I only recommend products I have personally used or that primary sources back. As an Amazon Associate I earn from qualifying purchases. See the full affiliate disclosure linked in the footer.