Eldorado Zinnia is a vibrant heirloom cultivar of Zinnia elegans that delivers reliable, long-lasting color from summer straight through fall. Growing 30 to 36 inches tall with a compact 18-inch spread, these plants bloom prolifically for 63 to 84 days from seed to first flower, making them a dependable choice for gardeners seeking extended garden drama. The plants thrive in full sun with moderate watering and actually improve under drought stress, while their nectar-rich blooms draw pollinators all season long. Deer leave them untouched, so you can count on color even in gardens where browsing pressure runs high.
1
Full Sun
Moderate
2-11
36in H x 18in W
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High
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Eldorado Zinnias deliver nonstop color from June through November, blooming reliably within 63 to 84 days of sowing. These heirloom plants reach a substantial 30 to 36 inches tall, creating real garden presence without fussy tending. Pollinators flock to the flowers, drought stress actually strengthens the plants rather than weakening them, and deer consistently pass them by, making them a genuinely low-maintenance performer for any sunny garden.
Eldorado Zinnias grow as vibrant cut flowers and garden ornamentals, their tall stems (30 to 36 inches) ideal for bouquets and arrangements. The long bloom window from June through November means sustained color in beds and borders, where their full sun appetite and deer resistance earn them places in both cottage gardens and low-maintenance landscapes.
No timeline data available yet for this variety.
Sow seeds indoors 6 to 8 weeks before your last spring frost. Sow seeds at a depth of 1/16 to 1/4 inch in seed-starting mix and maintain soil temperature between 70 and 80 degrees Fahrenheit. Seedlings will emerge within 5 to 10 days. Transplant outdoors after the last frost date once soil has warmed.
Harden off seedlings by gradually exposing them to outdoor conditions over 7 to 10 days before transplanting. Move them into the garden after the last spring frost when soil temperature is reliably warm. Space plants 1 inch apart in full sun.
Direct sowing is recommended. Sow seeds after the last spring frost once soil has warmed. Sow at a depth of 1/16 to 1/4 inch directly into garden soil in full sun.
Deadhead spent flowers regularly to promote continuous blooming throughout the summer and fall season. Pinching back young plants when they reach 6 inches tall encourages branching and bushier growth, resulting in fuller plants with more flowers.
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