Orchid with yellowing lower leaf next to healthy green leaves

Orchid Leaves Turning Yellow: 8 Causes and Solutions

Orchid Leaves Turning Yellow: 8 Causes and Solutions You noticed it this morning: one of your orchid’s leaves has gone from deep green to a soft, unsettling yellow. Now you’re second-guessing everything — the watering schedule, the spot on the windowsill, the fertilizer you used last month. Orchid leaves turning yellow is one of the most common worries orchid owners bring up, and the good news is that most of the time, it’s fixable — or not even a problem at all. ...

April 22, 2026 · 11 min · KnowYourPlant
Heartleaf philodendron trailing from a shelf with glossy heart-shaped leaves

Heartleaf Philodendron Care: The Easiest Trailing Plant

The Plant That Forgives Almost Everything If you’ve ever killed a plant and sworn off houseplants forever, heartleaf philodendron is the one that might change your mind. It grows enthusiastically in conditions most other plants would sulk in: low light, occasional missed waterings, a corner that’s been neglected for weeks. The heartleaf philodendron (Philodendron hederaceum) is a fast-growing tropical vine with glossy, heart-shaped leaves that trail beautifully from shelves or climb a moss pole if you give it something to hold onto. It’s been a staple of homes and offices for decades, and for good reason: it doesn’t ask for much, and it gives back a lot. ...

April 19, 2026 · 13 min · KnowYourPlant
Hands adding liquid fertilizer to a potted houseplant

Plant Fertilizer Guide: What to Use and When to Feed Houseplants

Plant Fertilizer Guide: What to Feed Your Houseplants and When You’ve been watering your plant faithfully for months, but something’s off. The new leaves are smaller than the old ones. The colour is a little washed out. It’s alive, but it isn’t thriving. Before you change everything about how you water it, there’s a simpler question worth asking: when did you last feed it? Plant fertilizer delivers the nutrients your plant can’t pull from water alone: nitrogen to build leaves, phosphorus for roots and flowers, and potassium to run basically everything else. In a pot, those nutrients get used up over time. Fertilizer puts them back. ...

April 15, 2026 · 13 min · KnowYourPlant
Neem Oil for Plants: How to Mix, Apply and When to Use It

Neem Oil for Plants: How to Mix, Apply and When to Use It

Neem Oil for Plants: How to Mix, Apply and When to Use It If you’ve noticed sticky residue on your plant’s leaves, tiny insects clustering along the stems, or a fine webbing stretched between the nodes, you’ve probably already started googling. And neem oil for plants is likely one of the first results that came up. It’s one of those remedies that sounds almost too good: natural, widely available, and effective against a surprisingly long list of problems. But it comes with a few rules. Mix it wrong and it won’t work. Apply it at the wrong time and you’ll stress the plant more than the pests did. ...

April 11, 2026 · 14 min · KnowYourPlant
Snake plant with tall upright variegated leaves in a terracotta pot on a windowsill

Snake Plant Care Guide: How to Keep Sansevieria Thriving

The Plant That Practically Takes Care of Itself If you’ve ever bought a plant with the best intentions and then gradually watched it decline while you tried to figure out what went wrong, snake plant care might feel like a revelation. This is one of those rare plants that responds well to benign neglect, thrives in corners most other plants would refuse, and still manages to look striking doing it. ...

April 5, 2026 · 14 min · KnowYourPlant
Orchid Care Guide: How to Keep Orchids Blooming Year-Round

Orchid Care Guide: How to Keep Orchids Blooming Year-Round

Orchid care isn’t complicated. It’s just different from everything else you’ve grown. You brought home a orchid in full bloom, watched it flower for weeks, then one morning the last petal dropped and it’s been silent ever since. Now you’re not sure if it’s alive, dead, or somewhere in between. This is where most orchid stories end — but it doesn’t have to be yours. Most people either water orchids to death trying to be attentive, or abandon them in a corner assuming they’ve given up. The truth is somewhere much more manageable: orchids want less from you than you think, but they want it consistently. ...

March 30, 2026 · 11 min · KnowYourPlant
Best Plant Identifier Apps in 2026: AI Plant ID Compared

Best Plant Identifier Apps in 2026: AI Plant ID Compared

You’re standing in front of a plant — maybe at a thrift store, maybe in your garden after winter, maybe at a friend’s house — and you have no idea what it is. You used to have to ask someone who might know. Or carry a field guide. Or accept that the mystery was just part of owning plants. Now you hold up your phone, take a photo, and get an answer in seconds. ...

March 29, 2026 · 10 min · KnowYourPlant
30 Cat-Safe Indoor Plants

30 Cat-Safe Indoor Plants for Cat Owners

Plants that won’t hurt your cat if she takes a bite. You’ve probably noticed: cats are drawn to plants. Something about the texture, the movement, the rustling. And if you’ve ever watched your cat take a deliberate bite out of a leaf and felt that familiar spike of panic (is this one okay?), you know the research spiral that follows. Most lists online mix safe and truly toxic plants with barely a warning between them. This one doesn’t. Every plant here is on the ASPCA’s non-toxic list for cats, the most reliable reference we have. Cat-safe, by that standard, means no alkaloids, oxalates, or compounds that cause organ damage, serious illness, or a late-night emergency vet visit. Your cat may chew some of these. That’s okay. She’ll be fine. ...

March 27, 2026 · 11 min · KnowYourPlant
20 Best Air Purifying Plants for Indoor Spaces

20 Best Air Purifying Plants for Indoor Spaces

What “Air-Purifying” Actually Means Before the list, a quick honest note: the NASA Clean Air Study was conducted in sealed, controlled chambers — not your open-plan living room. In those chambers, plants removed up to 87% of air toxins within 24 hours, which is remarkable. But real-world air filtration is more modest. Researchers at the University of Georgia found that rooms with plants had up to 60% fewer airborne bacteria and mold spores than rooms without them — a different benefit, but a real one. ...

March 25, 2026 · 13 min · KnowYourPlant