Caring for Houseplants

Simple green-thumb houseplant care tricks can make a big difference in the appearance and health of your indoor plants.

Houseplants brighten up our homes and apartments with their greenery throughout the seasons. Show them love in return with some basic care, and they’ll thrive indoors. A little dusting, pruning, and fertilizing go a long way towards keeping your plants healthy. Understanding their water and light needs is also important. Learn how much to water indoor plants, how to know if they’re getting too much sunlight, and more. Your plants will happily respond with lush leaves and blooming flowers!

Dusting Plants

Like your other household surfaces, your plants can get dusty, too. But dusting plants isn’t just for appearances’ sake. You can help plants breathe by cleaning their leaves. Many plants can be washed quickly by placing them in the sink or shower and gently spraying with lukewarm water. Wrap plastic bags around the bases to keep the soil in the pots. Let the plants drip dry. To clean the dust from large, smooth-leaved plants, hold one hand under a leaf and wipe gently with a rag in the other. To clean hairy-leaved plants, such as African violets and gloxinias, dust with a dry cotton swab, pipe cleaner, or soft cosmetic or watercolor brush. You can also give plants a florist shine with purchased sprays or liquids, or with a cloth dipped in milk. Do not get any of these solutions on the leaf undersides. They may clog the stomata, the leaves' breathing organs.

Shape Ups

To give shape to plants like philodendron and ivy, wind the long, trailing branches up over the pot in a pleasing pattern, then pin them to the soil at several points with hairpins, bent pipe cleaners, or bent paper clips. Do this every few months. The branches will probably root at these points, giving you a lusher-looking (and neater!) plant. Some plants need to be trimmed into shape. Always cut away any dead or broken branches. Pruning back the top and end growth encourages side growth. Remove dead leaves. Even the lushest foliage may hide dead leaves, so examine your plants periodically.

Food and Water for Indoor Plants

When watering houseplants, use tepid water. If your tap water is high in chlorine, let it stand a day, uncovered, before watering plants. You can also purchase a jug of distilled water to use. One of the trickiest parts of watering plants is knowing the right amount. To test the soil for moisture, stick your finger at least 1/2 inch into the soil. Small pots may need water every day or two. Large ones may go a week between waterings. Check often; experience soon will tell you when to water. Add water until it drains through the hole in the bottom of the pot and shows in the saucer. This ensures that the entire root area receives a thorough soaking. Empty the saucer about 20 minutes after watering. If you're away from home, you can keep plants healthy for up to three weeks by watering them, then covering with makeshift plastic tents. Use bamboo or plastic stakes or bent clothes hangers to support the plastic above the plant leaves. (Of course, you can always ask a neighbor or friend to water them!)

Buy a good balanced houseplant fertilizer for most plants, a specialized one if you have African violets, bromeliads, or orchids. The three numbers on the fertilizer label (such as 10-20-10) refer to the levels of nitrogen, phosphorus, and potassium. Nitrogen gives the plant lush foliage. Phosphorus keeps roots and stems strong and healthy. Potassium encourages blooms. Plants need little feeding in the winter when they are almost dormant. Fertilize more in the spring and summer when they are growing more actively. Take good care of your plants and they'll improve your home's air, acting as natural purifiers.

The Right Lighting for Houseplants

When you bring a new plant home, research what type of light it needs—like humans, plants have their likes and dislikes. Generally, you should give your plants a quarter to half turn each week. This will give them nice rounded shapes. Watch for signs that your plants aren't getting enough light. As this schefflera shows, foliage plants often get tall and spindly as they “reach” for sunlight. Leaves will turn yellow and grow small. Plants can also “burn” if they are overexposed to light. When exposed to too much intense light, leaves get sickly, lifeless, and colorless. Remove the lackluster leaves and move the plant away from harsh direct sun.

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