The Environment You Build
Everything around the plant rather than the plant itself: humidity, cold windows, what the pot and the potting mix are doing, greenhouse cabinets, and what each piece of it costs before you commit to it.
When a room cannot be fixed, the answer is often a smaller room inside it. A glass cabinet with a light and a humidifier holds conditions that an apartment in winter never will, and it does it in about four square feet.
This is also the part of the hobby where the money goes, so the articles here try to be clear about what each piece actually does before you buy it, and which ones you can skip.
How to Increase Humidity for Houseplants (and What Does Not Work)
How to increase humidity for houseplants: two extension services agree misting does nothing and disagree about pebble trays. What that split tells you.
9 min readHouseplant Cold Damage: The Kind You Cannot See
Houseplant cold damage starts well above freezing, and the most common injury leaves no mark at all. What the chilling experiments actually found.
11 min readRocks in the Bottom of a Pot: What the Evidence Actually Says
Rocks in the bottom of a pot decide almost nothing, and the drainage hole decides everything. The case against gravel is less settled than it sounds.
9 min readHow to Propagate Houseplants: The Jar of Water Is the Weak Method
How to propagate houseplants without the part everyone does. Illinois Extension advises against rooting in water, and the reason shows up weeks later.
10 min readFertilizing Houseplants: The One Input Where Less Is Safer
Fertilizing houseplants is the only care input where doing more is reliably worse. Three published schedules, and what the white crust is telling you.
9 min readHow Long Can Houseplants Go Without Water?
How long can houseplants go without water depends on four things you can check. The one published number is for a setup, not for a plant.
9 min readThe IKEA Greenhouse Cabinet: What It Solves and What It Creates
An IKEA greenhouse cabinet holds humidity a room cannot, and creates the still, damp air gray mold prefers. Put a fan in the first purchase.
11 min read