Volume 17, No 17, March 2002

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Plants Rely on People and......
By Nisar

During winters, the days are short as sun goes down early and people tend to stay most of
the times indoor. Consequently, it is the perfect time to spend more time with your houseplants. Every year, I grow more convinced of the importance of the relationship between people and plants. They not only provide heat, shade, cooling, and the traditional food and fiber to
support our daily lives but also beauty and the all-important food for the soul.
Yet, we forget or take for granted their most important gifts to mankind: fresh oxygen and clean air. NASA studies indicate that green plants are still better than most any kind of air filter for cleaning impurities from the air and providing the fresh oxygen needed by astronauts in space, home or office. Living green plants are regularly used to battle sick building syndrome in modern skyscrapers, those with bad air movement or air exchange problems. Plants have even been widely used in schools, homes and offices in lower Manhattan to help clean the air after the Sept. 11 attack.
As a key part of the symbiotic relationship between plants and people, plants need the carbon dioxide that can poison us if we get too much, while they give off the oxygen we need. It's the perfect time to add a few houseplants to your home and office or replace those that are tired and have not done well. Place highlight foliag e plants such as
palms, Scheffelera and weeping figs near windows.
Most plants do best with the better light near your windows, but there are many good low-light plants: varieties of Spathiphyllum, or peace lily; Aglaonema, the Chinese evergreen; or Dracaena, the corn plant. I usually suggest watering most houseplants when the top of the soil feels dry to the touch. Water thoroughly to the top of the pot and wait to water again until dry to touch. Over watering houseplants causes more problems than under watering, so err to the underwater side if in doubt. Feed your houseplants with a water-soluble fertilizer every four to six watering.
Set your houseplants in a saucer on a bed of gravel so the water will drain into the gravel and then evaporate as humidity around the plant. You can add more water periodically to this gravel to maintain this effective plant humidifier to battle the dry heat of today's central heat systems. Make time to take care of your houseplants, and they will help take care of you.
Potted Plants
By Julie Shippen

Dirt is out, have you heard? At least for potted houseplants. True, you need dirt in the pot, but to view it, too?
This news may amuse indoor gardeners, who by now have brought their leafy babies inside, repotted them and tucked each in the right spot. But have any of you looked at your dirt lately? It's not pretty, and I've got one thing to say: Go top-dress those pots, dear.
Covering up exposed dirt around potted plants does have practical reasons. First, it prevents Kitty the cat from using a pot as a litter box. Second, like mulch applied outdoors, a layer keeps the pot soil from drying out. But why not dress up your pots just for the fun of it? Think beyond sphagnum and beyond real moss, which is beautiful but too hard to keep alive.
It's easier to surround your fichus trunk with, say, a "sea" of sparkling glass marbles or a warm "beach" of red sand.
We found plenty of ideas at one crafts store: buttons, dried flowers, excelsior (natural or dyed), polished stones, scented pine cones, grapevine twigs, small "picks" of silk plants, plastic beads and even doll hair. Look around the house, and you'll probably find more, such as seashells, herb leaves or sprigs, coffee beans, nuts, bark mulch, glass-ball ornaments for Christmas, pennies, etc.
One caveat on decorative pot mulch: When watering, do so between the pinecones or balls or whatever. You want to saturate the soil, not the mulch -- especially if what you choose has any ongoing nasty chemistry. And because your soil isn't exposed to give you visual cues to water, you'll need to check it faithfully.


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