Bring prairie style to your landscape with Andropogon gerardii 'Karl's Cousin®' (Big Bluestem 'Karl's Cousin'), a warm-season native grass selected for strong vertical form and rich seasonal color.

In summer, narrow blue-green blades rise into an upright clump. By late summer into fall, distinctive forked, turkey-foot seed heads appear, then fade to tan for winter interest. Foliage develops striking copper to burgundy-red tones as the season cools. Mature size is about 36-48 inches tall, with a narrow footprint and a naturally architectural look.

Give it full sun for the best height and color, though it will tolerate part shade. Plant in average to lean, well-drained soil; once established, deep roots help it handle dry periods, and it also tolerates occasional moisture. Water regularly the first season to develop a strong root system, then water during prolonged drought as needed.

Use this cultivar to add movement and sound to borders, meadow plantings, and naturalistic designs. It pairs well with fall-blooming perennials and other prairie natives, and it provides valuable habitat and seasonal structure. Leave stems standing through winter, then cut back to a few inches above the ground in late winter before new growth starts.

Specifications

• Cold hardiness zone: 4-8 (-30 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun   Part sun
• Growth rate: Moderate
• Mature height: 36-48"
• Spread: 12-15"
• Tolerant of: Drought, Salt
• Attracts: Butterflies
• Native to the U.S.: Yes

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