Bring potted plants indoors

When wintry weather rolls in, landscape plants must fend off cold temperatures and frost on their own. But some potted plants are lucky enough to get a free pass indoors.

Without proper care, though, these new houseplants can have difficulty living through the winter indoors. There are some things you can do to make sure they survive just fine.

Temperature level essential

First, consider the temperature. Many container plants live on outdoor porches during the summer and early fall months. As temperatures dip to 50 degrees or less, plant owners begin to move plants indoors.

The best way to protect outdoor potted plants is to first bring them into a garage or basement that is a little warmer than the outdoors, but not as toasty as inside the house. If the plants are moved immediately from 50 degrees to 75 degrees, some may become stressed and suffer.
Plants should be acclimated slowly by a gradual increase in temperature. After a week or two, bring the plants into the warm house.

Most house plants grow best in daytime temperatures between 65 degrees and 75 degrees and nighttime temperatures between 60 degrees and 65 degrees. To further protect them, keep houseplants away from cold, drafty windows or hot radiators, stoves or air vents. Also keep houseplant foliage from touching cold windows. This can burn the leaves.

High humidity best

Humidity is important. Most houseplants prefer a humidity level of 40 percent to 50 percent. The relative humidity in most homes is closer to 15 percent – a level much too low for most houseplants.

Raise humidity levels by using a humidifier or grouping plants together. Placing houseplants on saucers filled with gravel or small pebbles and water will also increase humidity. The bottoms of the pots should always be above the water level.

Don’t mist houseplants in an effort to raise the relative humidity. Misting would have to be done several times throughout the day to have any real affect.

Water, but not too often

In general, houseplants don’t require as much water during the winter months. That doesn’t mean they can be completely ignored. The type of houseplant and soil will determine the water needs.

Ferns prefer evenly moist soil and fairly frequent watering. Cacti and succulents should only be watered when the potting soil becomes completely dry. Most houseplants fall somewhere between these extremes and should be watered when the soil is barely moist or almost dry to the touch.

When watering, apply a thorough amount. Water the plant until water drains out of the bottom of the pot.

Be sure that plants have good drainage. Never allow plants to sit in excess water unless the pot is placed on gravel to raise humidity.

Clean but don't fertilize

Drastically reduce or eliminate fertilizer during the winter months since most plants grow very little. Fertilize again in late March or April as growing conditions improve and the plants begin to flush out.

It’s important to keep houseplants clean while they rest through the winter. Grease and dust can accumulate on leaves and slow down the normal transpiration. Cleaning houseplants also improves their appearance, stimulates growth and can help control insects and mites.

Large, firm-leafed plants can be cleaned with a soft sponge or cloth dipped in a mild solution of dishwashing soap and lukewarm water. Leaves can also be cleaned by placing the plants in the shower under lukewarm water.

By Bob Westerfield
University of Georgia

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Creating a Healthy Home Environment: Mold and Mildew Free

PRNewswire/ -- Each summer, as temperature and humidity rise, mold invades thousands of homes. Some 10% of the U.S. population is sensitive to mold, and invisible mold spores cause countless allergic reactions, asthma attacks, and sinus infections, according to the American College of Allergy, Asthma and Immunology.

Mold also wreaks havoc on building materials. In nature, mold breaks down decaying organic matter, but in a home, it can decompose floors, walls, and other structures.

Fortunately, mold growth can be controlled. "The key to mold control is moisture control," says Steven Hong, home health specialist and president of Sylvane.com (http://www.sylvane.com/).

Hong offers the following tips for creating a healthy home environment that's mold and mildew free:

Detecting Mold

-- Recognize Visible Mold -- Mold grows in damp, dark environments. Commonly found in bathrooms and basements, it's usually slimy or fuzzy in appearance, and its color may be green, black, orange, or purple.

-- Be Aware of Hidden Mold -- Mold can grow behind walls and wallpaper, above ceiling tiles, and under sinks. If you notice a musty odor in a particular room, it's likely coming from hidden mold. You can check for mold with a Mold Test Kit.

Preventing Mold

-- Clean Up Spills Immediately -- If you have a spill, leak, or any kind of water damage in your home, clean and dry out the area immediately. Mold starts growing within 24-48 hours.

-- Keep Indoor Humidity Low -- Dehumidifiers keep the humidity low by removing excess moisture from the air. Keep your home's relative humidity below 50% to prevent mold growth.

-- Protect Your Basement -- Basements are notorious for mold and mildew. Use a basement dehumidifier to prevent mold and mildew growth.

-- Defend Your Crawlspace -- Crawlspaces are dark and damp -- ideal environments for mold. Place a plastic vapor barrier on open earth to reduce moisture. Many crawlspaces require a crawlspace dehumidifier to keep the mold at bay.

Cleaning Up Mold

-- Carefully Clean Visible Mold -- If you see visible mold growth, carefully clean it up with water and detergent. It's impossible to completely remove mold from a porous surface such as drywall; this material will have to be removed and discarded.

-- Protect Yourself While Cleaning -- The Environmental Protection Agency recommends wearing an N-95 respirator mask, gloves, and goggles while cleaning mold. Black mold or toxic mold (usually found in buildings with severe water damage) produces dangerous toxins that can cause neurological symptoms and even death. If you encounter extensive mold growth, or if you suspect that it may be toxic mold, contact a mold remediation professional.

"Indoor mold is a major cause of sinus infections, allergies, and asthma attacks, not to mention structural damage to buildings," says Hong. "But if you control your home's humidity, then mold doesn't stand a chance."