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January 2004 Newsletter

He who plants a garden finds happiness - Chinese proverb

House Plant Survival

We all appreciate house plants in winter. Not only do they bring color, life and often scent into a room, but the color green has a soothing effect that helps people relax and has been shown to bring stress levels down a notch or two. Plants also help to remove toxic chemicals from indoor air and most importantly they keep green thumbs nimble.

But, since "greenhouse" conditions generally do not exist in most homes, it is important to know a little about the plants you wish to grow and how to meet their needs.

Available Typical Winter House Plants

Cyclamen
    Cyclamen - Will flower up to 8 weeks. To keep this plant flowering and healthy, you need to keep it cool; ideally 50F and no higher than 60F. They are perfect for a cool room and will do well in an east or west-facing windowsill. Water sparingly from below by adding water to the saucer rather than the top of the pot. Do not over-water.
Indian azalea
    Indian azalea - Will flower up to 10 weeks and makes a great house plant. It will need a room with a steady temperature of around 60F and a bright spot out of direct sunlight and draughts. It also requires a humid atmosphere, so it is best to stand it on a tray of moist gravel. Watering is the trick with these plants. They do not like alkaline water, so use lime-free water. Because the roots are so full of fibrous roots, water tends to run off, so soak the pot in a bowl of water until it is thoroughly watered before allowing to drain. This plant will drop its leaves and flower buds if allowed to dry out. Can usually water every other day.
Kalanchoe
    Kalanchoe - Will flower up to 6 weeks. Flaming Katy or Kalanchoe is a hardy and pretty plant. It can deal with fluctuating temperatures and even the dry atmosphere of heated homes. Give it a minimum temperature of 50F and good light and it will bloom for months without complaint.
Christmas cactus
    Christmas cactus - Will flower up to 12 weeks. In full bloom, this plant is stunning. They do best in a cool, humid room where the temperature remains fairly steady around 55F; but they will tolerate a maximum temperature of 75F and a minimum of 50F. You should keep it in a well-lit position out of direct sunlight, such as near an east or west-facing window. When not in bloom, mist the leaves. They also do not like alkaline water. Once buds have formed, avoid moving the plant as this can cause them to drop prematurely.

Additional Houseplant Tips

    Houseplants are most often killed by overwatering and overfertilizing. 99 percent of indoor plants prefer to dry out between waterings. There are exceptions, such as the Peace Lily or Indian azalea; but as a whole, let your plants dry out before watering again.
    Providing adequate light is perhaps the next biggest challenge. If your available light is miniscule, pick plants that can handle it, like dracaenas and bamboos. If you have a plant that needs more light than is available in the area in which you wish to display it, give it a vacation in a sunny spot for 3 or 4 weeks before relegating it to its low-light location.
    Just like outside, houseplants look best displayed in groupings of uneven number. You can add depth and interest to a grouping of plants by contrasting foliage colors and textures. Tie the grouping together by planting them in pots of the same size, color or material.
    Most house plants will need humidity to get through the winter in our heated homes. To raise humidity levels, you can use a humidifier or set your plants on trays filled with gravel and water.