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There are two main types of cymbidiumsstandards and miniatures. Where summers are warm, miniatures
are recommended, since they are more heat-tolerant and bloom in warm weather.
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Light
Insufficient light is the main cause for lack of flowering. You can ensure proper light by placing
near the outer edge of a tree canopy so that it has direct sun in the morning and afternoon, and
shade at midday. You can also accomplish this by placing the plant on an east or west facing patio.
Your plant can take sun all day long in the winter, but not in the summertime. Keep your plant in
the brightest spot, but keep it cool. Remember, light green leaves indicate good light; dark green
ones mean it is too shady, and yellow leaves indicate that it is in too bright a spot.
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Temperature
Cymbidiums prefer cool temperatures. They can tolerate up to 80 degrees (max. 90 degrees) during the
day, and night temperatures of around 55 degrees (min. 32 degrees). It is important that there is a
20 degrees differential between summer and winter NIGHT temperatures in
order to set buds. Plants enjoy cooling breezes at all times.
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Watering
Cymbidiums like to be moist, but not wet. Water when the top 1/2 inch of the mix dries out, usually
once or twice a week. Use about one gallon of water per pot each time you water, allowing the water
to run freely out from the bottom of the pot. Do not let plants get completely dry. Warm or windy
days will dry pots out sooner than cold, dark days, so you must alter your watering schedule accordingly.
Try to maintain humidity around 45%. One way you can achieve this is if you place your plant near a pool
or lawn area.
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Fertilizer
During periods of rapid growth (April-August) feed at rate recommended for ornamentals. Use high
nitrogen 30-10-10 every 10 to 15 days. During slow growth period (Sept.-Jan.) use low nitrogen
5-10-10- once each month. Never fertilize a dry plant. If leaf tips turn black or brown, flush
pots with plain water several times in succession to leach out excessive salts.
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Repotting
Plants need to be repotted once every 3 to 4 years. The best time to repot is after flowering from
March to May. When numerous roots are seen at the surface of the mix and when your finger does
not easily penetrate into the root zone, it is time to repot. Knock the plant out of
its pot and gently separate the roots. Use a clean, sharp knife to cut the plant into 2 to 3 bulb
divisions (complete with the roots). Using a cymbidium potting mix found at most nurseries, place
the divided bulbs into a clean pot, large enough to allow for 3 years growth. Do NOT bury the bases
of bulbs more than 1/2 inch into the soil. Plant firmly using blunt stick. Remember the Plant must
not be loose in the contatiner. Water thoroughly. After the initial planting, only water the plant
enough to keep from drying for the next 4 to 6 weeks. Provide it with some shade during this time.
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