Growth Rate
Moderate: Coneflowers typically have a moderate growth rate. They establish themselves relatively quickly but do not grow as rapidly as some other perennial plants.
Size
Mature Height: Generally grows to be 2 to 4 feet tall, depending on the variety.
Spread: Forms clumps that can spread to about 1 to 2 feet wide.
Growing Conditions
Sunlight: Prefers full sun but can tolerate partial shade.
Soil: Thrives in well-drained soil. It's adaptable to various soil types but prefers sandy or loamy soil.
Watering: Once established, Coneflowers are drought-tolerant but benefit from regular watering during dry spells, especially in hotter climates.
Hardiness Zones: Typically hardy in USDA zones 3-9, depending on the species