Your plants sit on the windowsill under a gray sky, a radiator hissing below them, and a few lower leaves have started turning yellow. Learning how to care for houseplants in winter mostly means adjusting habits that worked fine in July but cause trouble once days shorten and the heat comes on. The short version: … Read more >>
Your new cactus sits on the windowsill in its nursery pot, and the empty bowl beside it has room for two, maybe three plants. Before you start filling that space, it helps to know how far apart is it best to plant a cactus so the arrangement still looks good and stays healthy a few … Read more >>
Your cactus sits on a sunny sill, the same size it was last spring, and a bottle of fish fertilizer under the sink has you wondering whether it would help or hurt. The short version: Yes, you can use fish fertilizer on cactus plants, as long as you dilute it to a quarter or half … Read more >>
You brushed against the cactus on your windowsill, and now a fingertip or the back of your hand looks puffy, pink, and tender to the touch. The short version: Yes, a cactus can cause swelling. Most of it comes from spines or tiny glochids lodged in the skin, which trigger local irritation and sometimes infection. … Read more >>
Your windowsill is crowded with cactus pups, a few columnar cuttings are calloused on a paper towel, and every shelf near the glass is starting to look like a small nursery. The short version: Yes, you can make money selling cactus, but for most indoor growers it is a modest side income rather than a … Read more >>
You water your plant, glance down, and spot a fuzzy white patch spreading across the soil, or a gray film creeping over a leaf near the window. If you are asking “why is my potted house plant moldy,” the answer almost always comes back to moisture that lingers too long, air that sits still, and … Read more >>
You notice crispy brown tips, papery yellow edges, or whole leaves curling and crackling on a plant that looked fine a few weeks ago. The short version: Most house plant leaves dry up because the roots cannot deliver enough water to the foliage. That usually comes from underwatering, root rot from overwatering, or dry indoor … Read more >>
You notice your zebra plant on the windowsill looking wrong: soft leaves at the base, brown tips spreading, or a rosette that seems to be shrinking into itself. The short version: A dying zebra cactus is usually suffering from too much water, too little light, or cold, wet roots. Most plants can be saved if … Read more >>
You look over at the cactus on your windowsill and notice its green skin has taken on a reddish purple tint, sometimes just at the tips and sometimes across the whole stem. If you are asking why is my cactus turning purple, the answer is usually stress, and the plant is telling you something specific … Read more >>
You are looking at a cactus on your windowsill, maybe freshly unpotted with its roots exposed, and wondering whether it really needs that bag of potting mix at all. The short version: Yes, you can grow a cactus without soil, and many growers prefer it. Cacti need oxygen at the roots, fast drainage, and regular … Read more >>