Orchids are some of the most beautiful and intriguing plants you can add to your home. Whether you’re a seasoned orchid enthusiast or just starting out, understanding the basics of their care will ensure these stunning blooms thrive, especially during the colder months. Let’s dive into the fascinating world of orchids, dispelling myths, uncovering facts, and providing tips on how to care for these tropical beauties through the winter.
How Many Species? Really?
Orchids are the largest family of blooming plants in the world, with over 30,000 naturally occurring species and more than 100,000 hybrids. They are native to every continent except Antarctica, and their versatility makes them a popular choice for indoor gardening.
Epiphytes vs. Parasites: Understanding Orchids’ Growth Habits
One common misconception about orchids is that they are parasitic. In reality, most orchids are epiphytes, meaning they live on other plants without harming them. Epiphytes use trees or other plants to support their growth, providing better access to light and air circulation in the treetops. Unlike parasites, they do not take nutrients from their host plant but instead get all their nutrition from the air and rainwater.
A Little Orchid History
The fascination with orchids started with a horticulturist named William Cattley. In 1818, he discovered a tropical plant shipped from Brazil and was amazed when it bloomed with large purple flowers. He named it Cattleya, and this sparked an orchid collecting craze that led to significant deforestation in some tropical regions as collectors cut down trees to gather orchids.
Myths About Orchids
Orchids are often seen as difficult to grow, but this isn’t true. Growing orchids is similar to caring for any other plant—it’s all about meeting their specific needs. With the right light, humidity, and care, orchids are just as manageable as any other houseplant.
Another myth is that orchids are carnivorous. While some orchids have interesting pollination mechanisms, they do not trap and eat animals. The rumor likely came from an exhibitor at the International Orchid Exposition in London in the 1930s, who humorously claimed that the “man-eating orchid” had gone to lunch when asked about it.
How to Care for Orchids Over the Winter
Caring for orchids during the winter months involves a few key practices to ensure they thrive in the cooler, dryer air indoors.
- Humidity: Orchids thrive in high humidity, similar to the tropical rainforests where they originate. Indoor air can be very dry, especially during winter, so it’s important to provide moisture. Consider using a humidifier or placing a pebble tray near your orchids. You can also mist them lightly, but avoid directly spraying the plant to prevent water from pooling on the leaves.
- Light: Orchids generally prefer bright, indirect light, though some varieties may need more direct light. If you’re not getting enough sunlight, consider using grow lights to supplement. Be cautious about placing orchids in direct midday sunlight, as this can scorch the leaves. Many orchids, including popular varieties like Phalaenopsis, thrive with just a few hours of morning or late afternoon sun.
- Watering: Orchids should never sit in water for extended periods. They’re used to living on trees where their roots are exposed to air, not submerged in soil. When watering, ensure that excess water can drain freely from the pot, and never let the orchid sit in standing water for more than a few minutes. A good rule of thumb is to water when the soil feels dry about an inch down for smaller pots and deeper for larger ones.
- Fertilizing: Orchids need nutrients, but because they grow in trees rather than nutrient-rich soil, they don’t require heavy feeding. Use a balanced fertilizer like 20-20-20, but dilute it to half strength. Apply it every other week to encourage healthy growth without overfeeding.
Orchids in Bloom: Enjoying Their Beauty
When orchids bloom, the flowers can last for weeks or even months, making them a rewarding addition to any home. The beauty of orchids, especially those that bloom in winter, brings joy during the colder months when many other plants are dormant.
Orchids need special care, but with the right environment—adequate light, humidity, and proper watering—they’ll thrive and reward you with stunning flowers year after year. If your orchid hasn’t bloomed in a while, it may just need a bit more light or a change in care routine to get back on track.
When they bloom, they’re beautiful, and you’ll feel such a sense of accomplishment!
Visit The Great Big Greenhouse in Richmond to browse our wide selection of orchids and supplies.