Exposed roots will turn silvery if your orchid needs water. Pull the flower out of the pot. Always use the soil and exposed roots as guidelines for watering. Even though the orchid media needs to dry out in-between waterings, the plant doesnât like to be dry for many days on a row. If your orchid is located near a vent or a drafty area, it might be causing the roots to dry out regardless of your watering schedule. Orchid roots will usually be dark green when wet and silvery in color when dry. If your indoor soil is too wet, this can be very problematic because it can cause root rot. If the soil feels dry, water your orchid. The orchid disappears at home due to insufficient lighting, oversupply or lack of fertilizer, damage by pests and diseases. If your orchid roots are exposed to bright, indirect sunlight at the same intensity as the rest of â¦ In some cases, possible burn of the roots. The roots die because the plant is flooded. After the orchid has become dry, you should carefully examine the roots. If the top 1-2 inches of soil are dry, you can water your orchid. Wash the substrate from the roots, dry them. Orchid roots are unlike a lot of plants in that they actively photosynthesize through their roots. Not all roots grow from the bottom of the stem. You can tell if an orchid is extremely dehydrated by watering it and checking the roots within 1-2 days. You can read my article âHow to water your orchidâ for more instructions. Another common problem with orchids is underwatering. Too dense sub stratum is another common reason why roots rot in an orchid. If the wood is dry, water the orchid. Using a spray bottle, mist the orchids a few times a day to prevent the leaves from drying out. On the other hand, for orchids that store water like oncidiums or cattleyas â allow the topsoil to dry before watering. If you suspect dehydration and not overwatering is causing your orchid to exhibit signs of drying out, try to get back to a normal watering routine. You can also use a pencil or wooden skewer to check the moisture level of the soil. Roots can sometimes grow from in between leaves. If the roots fade, dry out and turn black, the orchid suffers from drought. Drying Out Overwatered Soil. Some orchid varieties like phalaenopsis or paphiopedilums do not store water so water them before they dry out completely. It must dry in-between waterings to avoid root rot from happening again. With a lack of water in the pot, the roots can dry out, but if you pay attention in time, you can still save the flower. Dehydration. Move your orchid to an area with a consistent temperature. â¦ If the roots are almost all gone, take these emergency measures but know that recovery is not assured: Cut off all the dead or damaged roots. If the wood is dark from moisture, donât water the orchid. Itâs a big deception at first, because I always think itâs a flower spike, only to sadly find out itâs another root. The orchid is easy to work, you just need to hold the roots for several hours in a container with warm water. If you are not aware of which variety you have, then water the plant when the topsoil feels dry to touch. If your soil is constantly wet, there wonât be enough air pockets for your plants and the roots will not be able to breathe properly. Do not worry, there will be no harm from long drying. Why is wet soil such an issue? In winter, the plant dries slower. When these aerial roots grow, sprouting out from a higher pint on the orchid â¦ Plants use their roots to take up moisture and also oxygen. Stick the pencil or skewer into the soil by about 1 in (2.5 cm), then pull it out and look at it. In the summer it can be done by putting an orchid on a newspaper for a couple of hours.