Check each of your plants or seedlings thoroughly before purchasing them. Look for an orchid with flowers that are partially open and some flowers that have yet to open. If all of the flowers have opened already, then it will be difficult to evaluate the health of the plant. Inspect the petals for fungal spots and pests, which would indicate that the plant is not healthy. The grower’s shop is also a good indication of a plant’s health. Consider the cleanliness of the shop, the attentiveness of the shop employees, and whether or not the grower is knowledgeable enough to answer your questions. Spring is the best time to transfer an orchid to a new pot if you need to do so. Transferring an orchid at any other time of the year may cause undue stress to the plant and this may kill it. Orchids become dormant in the winter and will begin to grow again in the spring. Try to time your transfer for early in the spring before the orchid starts growing and flowering. A sure sign that your orchid is ready for repotting is when you notice the roots of the orchid are creeping outside of the pot, such as around the bottom or the sides of the pot. Make sure to wait until after the orchid has bloomed to repot it though. Don’t wait too long to repot your orchids! The roots should not grow more than 0.5 in (1.3 cm) before you repot it. Orchids require frequent watering and lots of oxygen to grow, so a loose growing medium is ideal. Placing an orchid in regular soil will likely kill it. Instead, choose a special orchid posting mix, bark chips, tree fern, or stones as the growing medium. This will help to ensure that your orchid will have a solid foundation for its roots, but will not get soggy from frequent watering. Check your local nursery or garden center for a special potting mix for orchids. If you are not sure what to buy, ask an employee for a recommendation. The new pot or basket should be 1 to 2 inches (2.5 to 5.1 cm) larger than the old pot. Make a well in the center of the soil to place the orchid into. Then, cover the roots of the orchid with additional soil, but do not pack it tightly. You may also keep your vanda orchids in hanging baskets outdoors during the summer months.
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One-sentence summary -- Choose healthy plants or seedlings. Plan to pot the orchids in the spring. Watch for roots creeping out of the pot. Choose a coarse, well-draining orchid potting mix. Fill a well-draining pot or wooden, slatted basket with soil.

Q: Thin, blade-like runners will increase speed on icy surfaces. Sleds that slide along one large base without runners are better for deep snow, since they distribute the rider's weight more evenly and reduce sinking. Sleds with wide runners are somewhere in between. Most casual sledders just use one sled for all terrain, but if you're buying your first sled, pick one that will work on the hills you expect to be trying.  Sleds with metal runners or sliding surfaces tend to be faster than wooden or plastic sleds, since they create less friction. Metal sleds are usually more expensive, though. Sleds with runners and steering mechanisms are the safest type of sled for children. This may not hold true for high speed sledding. Most people don't think of sledding as a dangerous sport, but serious or fatal sledding injuries do occur regularly. Wearing a helmet is an excellent idea for children, as well as for adults who are sledding down steep, tall, icy, or obstacle-laden slopes.  Thick winter clothing usually gives enough protection for the rest of the body. Find a hill completely covered by snow or ice, since dry patches can stop your sled. Never sled on a hill covered in obstacles, or one that ends in a parking lot, a street, or a body of water. If there are other people around, choose a side of the hill where you won't run into them. Stay seated while the sled is moving, and face forward at all times. Do not face backwards, lie down face-first, or try to spin the sled, as this can make a crash much riskier. Some sleds are designed for the rider to lie face-first, but these should only be used in specially prepared lanes at winter resorts, or by experienced sledders. You can steer by leaning in the direction you want to turn, or by putting your foot out into the snow on that side. To slow down or stop, put both feet out into the snow. Larger sleds and sleds with runners often have ropes you can pull to turn the sled, or more rarely a steering wheel or other unusual mechanism. If you need to turn very suddenly or at high speed, use multiple steering techniques (for instance, lean and put out a boot at the same time). Tube-shaped and disc-shaped sleds can be very difficult to steer, and should only be used on wide, open areas with no obstacles – or preferably in special lanes in "tubing parks" and other winter recreation areas. If you lose control and the sled is going too fast for you to stop, cover your face and head with your arms, then roll out the side of the sled.
A: Choose a sled for ice or for snow. Wear a helmet if necessary. Choose a safe hill. Sit facing forward. Learn to steer your sled. Bail out if you lose control.

Article: Once established, most species of cacti need several hours of direct sunlight every day. A south- or east-facing window will be ideal for most cacti. However, if the cactus starts to look yellowed, bleached, or orangey, it is likely getting too much light, and you should move it to a west-facing window. Kitchen and bathroom windows are great for cacti, because they can pull additional moisture from the air as needed. Overwatering can kill a cactus, but the plant will need weekly waterings during active growing periods. Growth phases are typically between spring and fall. When the soil feels dry to the touch, water the plant until the soil is thoroughly damp. Don’t water if the soil is still moist, as this will cause rot and kill the plant. Cacti will also benefit from regular feedings during the spring, summer, and fall months. When you go to water the cactus each week, stir in a balanced 10-10-10 fertilizer before watering. Dilute the fertilizer to a quarter of the strength as recommended by the label. Cacti don’t necessarily like drafts or stiff breezes, but they will thrive in areas where there's plenty of fresh air. You can improve the circulation in your home by running ceiling fans, opening vents, and opening windows during warmer weather. Like many plants, a cactus will grow toward the light, and this can cause uneven or distorted growth. Encourage balanced growth by providing the cactus with even light, and rotate the pot a quarter turn every month. Pick a well-draining pot that’s one size larger than the current pot. Fill the pot with cactus potting mix. Pick up your cactus, place your hand around the base of the plant, and turn the pot over to remove the cactus. Gently tap the roots to remove old soil, and prune off any dead or dried roots. Place the cactus in the new pot and firm the soil around the base with your hands. For the first two weeks after transplanting, don’t water the cactus, and keep it in a bright location that’s protected from direct sunlight. Fall and winter are typically dormant months for cacti. Dormancy is necessary for most plants to recoup their energy, and the rest period will encourage flower growth later on. You can help the plant enter dormancy by:  Cutting back watering to once a month Stopping the regular feedings Moving the cactus to a cooler window (ideally between 45 and 55 °F (7 and 13 °C)
Question: What is a summary of what this article is about?
Choose a sunny location. Water the cactus weekly during growing season. Fertilize the plant weekly during the growing season. Provide plenty of circulation. Rotate the pot monthly. Repot the cactus annually. Encourage the cactus to enter dormancy in winter.