Cardoon 'Porto Spineless' (Cynara cardunculus) Sun Requirements: Full Sun Water Requirements: Moderate Height: 4-5 feet Bloom Time: Late Summer to Fall Description: Cardoon 'Porto Spineless' is a striking ornamental and edible perennial with large, deeply lobed, silver-gray leaves and thistle-like purple flowers. This variety is spineless, making it easier to handle. The tender stalks are often blanched and cooked, offering a flavor similar to artichokes. It is also grown for its dramatic foliage and architectural presence in the garden. Planting Tips: Plant in well-drained, fertile soil. Space plants 3-4 feet apart. Provide regular watering, especially during dry spells, and mulch to retain soil moisture. Ideal Season for Planting in Texas: Early Spring Nativity to Texas: No