Plant care, from the roots up.
Every guide on Sill & Stem is written from real experience in real homes — dry radiator air, north-facing rentals, curious cats, all of it. Pick a topic below.
How Often Should I Really Water My Houseplants?
Forget the once-a-week rule. Learn the finger test, the pot-weight trick, and how to actually tell the difference between a thirsty plant and a drowning one.
Read the guide →Bright Indirect Light — What Does That Actually Mean?
Every plant tag says it, no plant tag explains it. Here's how to read your windows, use the shadow test, and place plants where they'll actually thrive.
Read the guide →Soil, Pots & Repotting Without Killing the Plant
How to pick a mix that actually drains, when to size up a pot, and the one week of the year you should never repot. In progress — coming soon.
Read the guide →Yellow Leaves, Brown Tips, Droopy Stems: A Diagnosis Guide
A symptom-by-symptom troubleshooting guide for the four problems that account for 90% of unhappy houseplants — and how to tell them apart at a glance.
Read the guide →Pests & Disease: The Five You'll Actually Meet
Fungus gnats, spider mites, mealybugs, thrips, scale — how to spot them early and treat them without dousing your apartment in chemicals. Coming soon.
Read the guide →Signs You're Overwatering (Even If It Doesn't Feel Like It)
The subtle tells — soft stems, faint smell, gnats, evenly yellowing leaves. Read the diagnosis guide's overwatering section for the full breakdown.
Read the guide →Ten Houseplants That Are Genuinely Hard to Kill
The honest beginner list — no fiddle leaf figs, no calatheas, no drama. Just plants that forgive mistakes while you learn. Coming soon.
Read the guide →Low-Light Survivors for North-Facing Rooms
The short list of plants that actually thrive several feet from a window — and how far is too far, honestly. Coming soon.
Read the guide →Pet-Safe Plants: Green Rooms Cats Can't Poison Themselves On
The plants toxic to cats and dogs, and the ones you can grow without worrying. Vet-verified where it matters. Coming soon.
Read the guide →