Step 1 - we buy orchid

This is really important step, because it determines whether a flower will enjoy our eyes its beautiful look.

What to look out for?
Roots 
First of all, watch the roots. They should be firm, not dry and not rotting. The roots may be green (this shows that they have been recently watered) or silver. Both variants are good. You should also check if the substrate does not have mold.

The correct look of roots:

The incorrect look of roots:

As you can see in the above picture, the rotten roots are yellow and are saggy. Dry roots are also visible.

Leaves
The next step after checking the roots is checking the leaves. Leaves should also be firm and have a deep green color. 
We also need to check if on the leaves or in the ground there are no uninvited individuals. It's not worth buying an orchid attacked by insects - it can destroy our other flowers in the house, as well as introduce additional costs for spraying. You should also check if the leaves are not damaged. 

The correct look of roots:

The incorrect look of roots:

 

The flower
When you are ​​sure that the roots and leaves are in good condition, you should look at the flower shoots. Here you should also check that there are no pests, and look if the flowers that are already developed are not dry, and at the same angle check buds.

Sample photo thrips on orchid:

Growth cone
To plant can grow, it can be damaging growth cone.

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Sometimes it is very difficult to find an ideal plant that meets all the criteria that I've gave above. Then it is essential that the roots must be healthy and musn't have plant parasites.