Heirloom Cardo Gigante flowers are striking, large blooms that thrive in shaded garden areas, adding height and visual interest to beds, borders, and containers. This easy-to-grow heirloom variety is perfect for home gardens seeking low-maintenance, bold flowering plants. Its long-lasting flowers attract pollinators and create a dramatic display throughout the growing season.
Features:
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Heirloom Cardo Gigante variety
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Produces large, long-lasting blooms
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Shade-tolerant and low-maintenance
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Ideal for garden beds, borders, and containers
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Attracts pollinators and enhances garden aesthetics
Specifications:
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Plant Type: Perennial flowering plant
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Height: 4–8 feet
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Bloom Time: Summer
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Light Requirements: Partial shade to full sun
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Soil Preference: Well-draining garden soil
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Zones: USDA hardiness zones 5–9
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Planting Season: Spring after last frost
Planting & Sowing Instructions:
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Indoor Sowing: Sow seeds in small pots with well-draining soil 6–8 weeks before the last frost. Lightly press seeds into soil and maintain even moisture. Germination usually occurs within 10–14 days.
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Transplanting: Move seedlings outdoors after frost risk has passed. Space plants 18–24 inches apart.
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Direct Sowing: Sow seeds directly into prepared garden soil after the last frost. Cover lightly and water gently.
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Care Tips: Keep soil evenly moist without overwatering. Remove spent flowers to encourage continuous blooming. Mulching helps retain soil moisture and regulate soil temperature.
