Cactus Flowered Zinnias are summer annuals that deliver stunning, spiky blooms from June through November across zones 2-11. These heat-loving flowers reach a tidy 36 inches tall and bloom reliably in 63-84 days from seed, thriving in full sun with moderate water. The distinctive cactus-type petals give this heirloom variety its signature look: a shaggy, textured flower that feels almost sculptural in the garden. Deer leave them alone, butterflies love them, and once established, they handle drought with grace while still performing beautifully with regular watering.
Full Sun
Moderate
2-11
36in H x 18in W
—
High
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The cactus-flowered form sets this zinnia apart immediately: petals twist and layer in an intricate, spiky architecture that catches light and draws the eye. It flowers prolifically from midsummer straight through the first frost, rewarding deadheading with even more blooms. The plant's drought tolerance means it keeps performing even when watered sporadically, though consistent morning watering elevates the show. At 36 inches, it reaches a stately height without toppling over, making it a natural focal point in beds or cut-flower gardens.
Cactus Flowered Zinnias shine as cut flowers, their long stems and sculptural blooms lasting well in arrangements. They're equally valuable in the garden as focal points in mixed borders, cottage-style plantings, or dedicated cutting gardens where deadheading extends the show. Their height makes them useful for filling the middle layer of layered planting schemes, and pollinators flock to the blooms, making them a natural addition to gardens designed to feed butterflies and bees.
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Sow seeds indoors 6-8 weeks before your last spring frost, maintaining temperatures between 70-80°F during germination. Seeds sprout in 5-10 days. Keep the soil moist but not waterlogged. Harden off seedlings gradually before transplanting outdoors.
Move seedlings to the garden after all danger of frost has passed and soil has warmed. Space plants 1 inch apart in a location with excellent air circulation and full sun exposure.
Direct sow seeds outdoors after all frost danger has ended, once soil temperature reaches at least 70°F. Press seeds lightly into soil and keep the seedbed consistently moist until germination occurs.
Deadhead spent flowers regularly throughout the growing season to encourage continuous blooming and maintain a compact shape. Pinching back young plants when they reach 6-8 inches tall encourages branching and a fuller, bushier form.
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