Product Description
Overview
Blue Cardoon Flower Seeds grow into dramatic, tall flowering plants admired for their massive silver-green foliage and striking blue-purple thistle-like blooms. Closely related to the artichoke, Cardoon is prized for its bold architectural form, drought tolerance, and impressive height. Perfect for statement borders, cottage gardens, modern landscapes, and dried flower arrangements, Blue Cardoon adds powerful structure, texture, and exotic beauty to any outdoor space.
Features
Premium-quality, non-GMO Blue Cardoon Flower Seeds
Produces bold blue-purple thistle-like flower heads
Striking silver-green architectural foliage
Ideal for large borders, statement gardens, and landscape focal points
Strong germination with tall, dramatic growth habit
Excellent for fresh and dried cut flower arrangements
Highly attractive to bees and beneficial pollinators
Drought-tolerant and low-maintenance once established
Specifications
Plant Type: Perennial (grown as biennial in some climates)
Common Name: Blue Cardoon
Scientific Name: Cynara cardunculus
Variety: Blue Flowering Ornamental Type
GMO Status: Non-GMO
Heirloom: Yes
Growth Season: Spring–summer
USDA Zones: 7–10 (grown as annual in colder zones)
Sun Exposure: Full sun
Soil Type: Well-drained, fertile to moderately poor soil
Bloom Time: Mid to late summer
Plant Height: 4–6 feet
Spacing: 24–36 inches
Watering: Low to moderate (drought tolerant once established)
Planting Guide
Sowing Method: Start indoors or direct sow outdoors
Seed Preparation: Soak seeds in water for 8–12 hours before sowing
Sowing Depth: 1/4–1/2 inch deep
Germination Time: 10–20 days
Ideal Temperature: 18–25°C
Transplanting: Transplant when seedlings are strong and well-rooted