Orchid Care and Tips 

Q: How often should I water my orchid?
The general rule of thumb for orchids grown in the home is to water every 5 to 12 days, depending on the type of orchid, the temperature the plant is grown in, and the time of year. During the warm summer months when days are long, more frequent watering is required than in the cooler, shorter days of winter.

Varieties to keep evenly moist (not soggy or wet) at all times: Paphiopedilum, Miltonia, Cymbidium, Odontoglossum

Varieties to keep evenly moist during active growth, allowed to dry out between waterings when not: Cattleya, Onicidium, Brassia, Dendrobium.

Varieties to keep nearly dry between waterings:  Phalaenopsis, Vanda & Ascocenda.

Q: How often should I be fertilizing my orchids?
A: Be sure to use an orchid food that is formulated for orchids and follow the instructions on the label. In general, most orchid fertilizers recommend usage once a month. Less frequent fertilizing may stunt growth and inhibit flowering; more frequent fertilizing may burn the roots and leaves and inhibit flowering. 

Q: What do I do when my phalaenopsis stops blooming?
A: If your plant has healthy, with thick, green leaves that have not become wrinkled or drooping, cut the old flower stem up high, just above a node and just below the lowest bloom. The plant will frequently send out a new flowering branch at that location. If your plant has thin, wilted leaves, or if the plant is small, with only 3-to-4-inch-long leaves, it is best to cut the flower stem all the way down, so that the plant does not weaken itself by blooming again right away. Carefully water and fertilize your plant to build it back into shape for future flowering on a brand-new stem. This can take up to a year or more, as Phalaenopsis, like most orchids, is a relatively slow-growing plant.

Q: I am growing my phalaenopsis orchid in the house but they never bloom. What can I do?
A: The most common reason for any orchid not to bloom is insufficient light. Move your phalaenopsis plants to a window where they will receive strong, but indirect light (near a south-facing window is ideal). You might also try lighting your plants with a fluorescent light fixture placed about 1-2 feet above the foliage. Give up to 12 hours of supplemental light per day. Phalaenopsis will also develop flower spikes in response to a cool period of about four weeks with night temperatures of 55F. After the cool treatment, raise the night temperature back to the normal 60-65F minimum. See if these changes to your growing conditions help to stimulate your plants to bloom.

Q: How do I know if my orchid is getting the proper amount of light?
A: One good indicator is leaf color. Generally speaking, the leaves should be bright green rather than dark green. Dark green indicates too little light while reddish green indicated too much light. Those orchids requiring higher light intensities, such as cattleyas, dendrobiums and oncidiums, should be placed in a south or west facing window, but be sure to protect the leaves from the hot mid-day sun with sheer curtains or move the plants back from the window on hot summer days. Miltonias, phalaenopsis and paphiopedilums prefer lower light intensities and should be located further away from the window or placed in a window facing east or north.

Q: The orchid in my window suddenly developed black blotches on the leaves. Is it sick
A: It sounds like your plant has a bad case of sunburn! Longer, brighter days can increase the light intensity in your window so that the leaves get too hot and burn. You need to move your plant back from the window or put up sheer curtains to help protect it from direct sunlight. As the light intensity decreases in the fall, move your plant closer to the window again. Frequently check their leaves and watch for any fading of their green color, especially on those parts of the leaf closest to the window. This is an early indication that they are being exposed to too much sun.

Q: How do I know if I need to re-pot?

A: A newly potted phalaenopsis should be able to remain in its growth media two years before repotting. When there are many, long roots over the edge of the pot, this plant has most likely been growing for several years since its last repotting. If your plant is not currently in bloom, you should repot now. Be sure to remove all dead roots that are usually dark-colored, soft and mushy. Sometimes they may be dry, with a fiber running through the middle of the root. Center the plant with all of its roots down in the pot and add moistened bark until the level of the bark is just below the bottom of the lower set of leaves. Wait a week before resuming your normal watering and fertilizing routine.

Q: My phalaenopsis has been in flower for quite a while and now it seems to be forming what looks like a new plant on the flower stem! Will it grow if I pot it and what type of soil is best?
A: Congratulations! With proper care you will have a new plant, identical in every way to your original phalaenopsis. Wait until the new plant has developed a strong little root system of its own, with two or three roots at least one to two inches long. Then, carefully cut the plantlet, called a keiki, from the flower stem and put it in a very small pot of seedling bark for its first potting. After a year or two, move up to medium-sized bark in a four to five inch pot. Alternatively, you can pot the keiki in special orchid sphagnum moss. Be sure to go light with the fertilizer for the first few months. Once the plant has established itself, as evidenced by increased leaf growth, start with full-strength fertilizing.

Q: What are the most common orchid pests?
A: There are several insect pests that are common: Aphids (small sucking insects) and thrips (small chewing insects) attack tender new growth, flowers and buds. Scale insects form a brown or black crust on leaves and stems. Mealybugs also attack the leaves and stems forming a white cottony mass. Consult a local garden center for products to control these pests.

 

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