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Posted on 11:38 AM by Wanto and filed under
By Matthew Damon

Once the plants settle in and new growth starts, however, you will notice a complete change in the thickness and length of the leaves, and, together with a much sturdier appearance, the plant adapts and develops a much hardier growth. By the end of the growing season, a plant will look noticeably different, with pseudobulbs varying in their shape from the previous ones. This is the proof that your orchids have thrived and appreciate the more natural surroundings you have provided for them.

By the time the cymbidiums are ready to be returned to their winter quarters, they will be bristling with flower spikes. The Odontoglossum types, in particular, will reflect their change of surroundings and the extra light by the reddening of their leaves. Provided the amount of light they receive is not overdone, and they are not exposed to bright sunlight, this reddening will do no harm; it can be likened to a suntan and is not sunburn. During the following winter, these leaves will regain their midgreen coloring.

Orchids growing naturally in this way need to be comfortable with the changing temperatures throughout the seasons. Coolgrowing orchids will not do well in a tropical garden, which may be too hot for even the warmer-growing orchids.

By the end of the summer, usually coaching the end of early autumn, re nights become colder as the weather teriorates, and it is time to bring your plants back inside. Do this before the int frost appears, unless the orchids are bell protected by tree foliage above Vim, in which case they may stay out a ink longer, especially if the flower ikes are not yet showing.

Before bringing the plants back inside, check for pests. Out-of-doors they can harbour insects, such as earwigs and woodlice, which will be out of sight beneath the leaf-bracts and will need to be searched out.

Conditions are not always ideal in the tropics, however, and the plants can suffer from weather extremes greater than in a temperate garden. When a hurricane hits, the plants can be damaged and dislodged from their host and perhaps blown away and lost forever. If a tree falls, it becomes an urgent task to rescue all the orchids growing there.

Tidy up your orchids at the same time, removing all old bracts on the cymbidiums, and cutting off any broken or brown leaves. Pull out any weeds that have grown in the compost, including mosses and ferns; these may look nice growing with the orchids, but they will clog up the compost, making watering more difficult.

The yellow Promenaea xanthina has been reintroduced on to this tree in its native Brazil where it naturally grows on the lower trunk of trees at high altitude in cloud-filled, humid rainforests.

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