Iris louisiana 'Ann Chowning' is a stunning Louisiana iris cultivar known for its vibrant and eye-catching flowers. Here's a detailed description and care guide for Iris louisiana 'Ann Chowning':

Description:
Iris louisiana 'Ann Chowning' is a herbaceous perennial plant that belongs to the Iris family. It is a Louisiana iris cultivar that is native to the southeastern United States. 'Ann Chowning' is characterized by its tall and erect stalks that can reach heights of about 3 to 4 feet (90 to 120 cm). The foliage is long and slender, with a deep green color, adding a touch of elegance to the plant. The flowers of 'Ann Chowning' are the highlight of the cultivar, showcasing large and showy blooms that appear in late spring to early summer. The flowers have a striking combination of purple and white hues, with deep purple standards and white falls adorned with purple veining.

Care Guide:

Light: 'Ann Chowning' thrives in full sun to partial shade. It performs best in locations that receive at least 6 hours of direct sunlight per day. However, in warmer regions, providing some afternoon shade can help protect the flowers from intense heat.

Water: This iris cultivar prefers consistently moist soil, especially during its active growing season. Provide regular watering, ensuring that the soil remains evenly moist but not waterlogged. Adequate moisture is essential for healthy growth and robust flowering.

Soil: 'Ann Chowning' prefers well-draining soil that is rich in organic matter. It can tolerate a range of soil types, including clay, loam, or sandy soil. Amending the soil with compost or well-rotted manure before planting can improve its fertility and drainage.

Temperature: This iris cultivar is hardy in USDA hardiness zones 4 to 9. It can tolerate a wide range of temperatures but prefers mild climates. In regions with hot summers, providing afternoon shade and adequate moisture is crucial to prevent stress.

Fertilizer: Iris louisiana 'Ann Chowning' benefits from regular fertilization to support healthy growth and abundant flowering. Apply a balanced, slow-release fertilizer in early spring or use a water-soluble fertilizer formulated for flowering plants according to the package instructions.

Maintenance: Remove any dead or yellowing foliage to maintain the plant's appearance and prevent the spread of diseases. After blooming, you can deadhead the spent flowers to promote a tidy appearance. Divide the clumps every three to five years to rejuvenate the plants and prevent overcrowding.

Pests and Diseases: 'Ann Chowning' is generally resistant to pests and diseases. However, be on the lookout for common iris pests such as aphids or iris borers. Regular inspection of the plants and prompt action if any issues arise can help keep them healthy.

Mulching: Applying a layer of organic mulch around the base of the plants can help conserve moisture, regulate soil temperature, and suppress weed growth. However, avoid piling mulch directly against the rhizomes to prevent rotting.

Iris louisiana 'Ann Chowning' is a captivating iris cultivar that adds beauty and elegance to any garden or landscape. With its vibrant and striking flowers, it makes a delightful focal point or addition to borders, beds, or water features. By providing the right growing conditions and care, you can enjoy the stunning blooms of 'Ann Chowning' year after year.