Several minerals have a green color, including the emerald, which is colored green by its chromium content.ĭuring post-classical and early modern Europe, green was the color commonly associated with wealth, merchants, bankers, and the gentry, while red was reserved for the nobility. Many creatures have adapted to their green environments by taking on a green hue themselves as camouflage. By far the largest contributor to green in nature is chlorophyll, the chemical by which plants photosynthesize and convert sunlight into chemical energy. In subtractive color systems, used in painting and color printing, it is created by a combination of yellow and cyan in the RGB color model, used on television and computer screens, it is one of the additive primary colors, along with red and blue, which are mixed in different combinations to create all other colors. It is evoked by light which has a dominant wavelength of roughly 495–570 nm. Green is the color between cyan and yellow on the visible spectrum. Note: Christmas cactus is not meant for human or animal consumption.You may need rendering support to display the Persian text in this article correctly.

While it tolerates low humidity, you may find Christmas cactus does better and flowers more with good humidity levels.Ĭhristmas cactus grows best in average temperatures, but cooler temperatures in late fall - around 55F (13C) - can help it to produce blooms. Follow the directions on the product packaging for tips on how much fertilizer to use and how often to apply it.īecause Christmas cactus comes from tropical rainforests, it prefers average to high humidity. It prefers a little more water in spring and summer than it does in autumn and winter.įertilize Christmas cactus in spring and early summer with a fertilizer made for houseplants. Water Christmas cactus when the top inch or two of the potting mix dries out. Indoors, Christmas cactus can take direct sun on their foliage.

It will grow in medium or low light, too - but this flowering houseplant has fewer flowers the darker it gets. Grow Christmas cactus in bright light for the most blooms. One of our experts will be happy to try to help! If you have questions about your Christmas cactus, just drop us an email. Note: Christmas cactus is sometimes also called Thanksgiving cactus or zygo cactus. When not in bloom the rest of the year, Christmas cactus show off jagged foliage that gives insight to one of its other common names: crab cactus. In bloom, Christmas cactus are spectacular holiday plants, showing off their colorful blossoms like jewels at the end of their stems. In fact, a beautiful Christmas cactus has become something of an heirloom for many families, with the plant being passed down through the ages. This flowering houseplant is a cinch to grow, which has made it a popular holiday plant for generations.

You can find Christmas cactus in a wide variety of colors, including pink, red, scarlet, orange, gold, cream, and white - as well as bicolors where an individual flower shows multiple shades at the same time. This easy-care grower bursts into bloom when the days get short, putting on a fabulous show during the holiday season. Christmas cactus is one of the most colorful flowering houseplants.

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