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Plant height: 5 - 8 inches (12 - 21 cm)
Zinnias have bright, solitary, daisy-like flower heads on a single, erect stem. The most common zinnia is "dahlia-flowered" and grows up to three feet. Other types are "cactus-flowered."
Zinnia flowers are actually an herb that belongs to the aster family. They are named after the German botanist Johann Gottfried Zinn. There are both annual and perennial zinnia plants.
These originally came from Mexico and are notable for their single, long-stemmed flowers that are available in a variety of different colors.
These popular garden flowers are available in more than 100 different varieties. They have leaves that are opposite and usually they dont have a stalk. The leaves range in shape from linear to ovate and in color from pale to middle green.
Their flowers also come in a variety of appearances including a single row of petals and a dome shape.
Common name(s): Zinnia elegans, youth-and-age,common zinnia, elegant zinnia
Flower colours: The colors include white, yellow, orange, red, purple and lilac, baby pink,peach,pink.
Bloom time: Summer
Max reachable height: 18 to 24 inches.
Difficulty to grow: Easy.
Zinnia leaves are opposite and usually stalkless (sessile), with a shape ranging from linear to ovate, and pale to middle green in color. The flowers have a range of appearances, from a single row of petals, to a dome shape, with the colors white, chartreuse, yellow, orange, red, purple, and lilac.
Zinnias seem especially favored by butterflies, and many gardeners add zinnias specifically to attract them.
Whenever you plan to grow zinnia flower seeds you will need to find an area that is well drained yet both moist and fertile. This will allow the flower to reseed itself with a new zinnia seed every summer thereafter. You will also need full sun and good fertile soil for growing zinnias.
Once you find somewhere to plant your zinnia you will want to place one seed per one square foot. Begin by raking the seedbed slightly before planting your seeds. Now add a general-purpose fertilizer (repeat monthly), water and you are done.
Sunlight: Full sun.
Soil: Rich, well-drained soil.
Water: Keep the soil moist, but not soggy, for young plants. Mature zinnias require less watering, as grown flowers are somewhat drought tolerant.
Temperature: above 50 F. (10 C).
Fertilizer: A 5-10-5 fertilizer in mid season will help to keep zinnia plants growing strongly.
Disclaimer: The image is for reference purposes only. The actual product may vary in shape or appearance based on climate, age, height, etc.