Zinnia elegans. California Giants Mix Zinnia seeds form bushy plants that carry masses of huge, 12-15cm (5-6″) wide, double flowers in brilliant hues of red, yellow, orange, lavender, maroon, violet, and white. Growing to a height of up to 1m (36″), these plants have a very bold visual appeal. Plant Zinnias in big groups whenever possible, as mass plantings look fantastic. Deadhead spent flowers as needed to keep the bloom period longer. Despite their elegant look, Zinnias are fairly tough plants and are drought tolerant enough to be used in xeriscaping projects. Zinnias are, of course, notable as cut flowers.
How to Grow Zinnias
There’s no mistaking the colour and stature of annual Zinnias.Follow this handy How to Grow Zinnias from seeds guide below and grow some colour in your garden this summer. Plant Zinnias seeds in average, well-drained garden soil, but dig in a generous amount of well-rotted manure the previous fall. Pinch off growing tips early in the season for bushier growth. Water regularly, keeping leaves as dry as possible. Deadhead regularly. Feed once in early spring, and again once flowering has begun.
Season & Zone
Exposure: Full sun
Direct sow after last frost, in April and May on the coast. Zinnias don’t transplant well, but you can try starting some indoors in peat or coir pots 6-8 weeks before planting out. Maintain a soil temperature of 21-26°C (70-80°F). Seeds should germinate in 5-24 days.
Just cover Zinnia seeds, and aim for a final spacing of 25-30cm (10-12″) between plants.
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