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Giant Coneflower

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Giant Coneflower (Rudbeckia maxima)

Giant Coneflower (Rudbeckia maxima) is a striking, native perennial known for its towering height, bold, blue-green foliage, and large golden-yellow flowers with tall, dark brown central cones. This dramatic, architectural plant adds vertical interest, bold texture, and a stunning focal point to naturalized gardens, meadows, and pollinator-friendly landscapes.

Distinctive Features

'Rudbeckia maxima' stands out with its enormous, paddle-shaped blue-green leaves that form a bold, basal rosette. From early to mid-summer, towering flower stalks rise 5 to 7 feet tall, bearing large golden-yellow blooms with pronounced dark brown cones. These nectar-rich flowers attract a wide variety of pollinators, including bees and butterflies, while the seed heads provide food for birds in fall and winter. Its bold texture and upright growth make it a dramatic addition to borders, meadows, and rain gardens.

Growing Conditions

  • Sun Exposure: Full sun; requires at least 6 hours of direct sunlight daily.
  • Soil: Prefers moist, well-drained soil but tolerates heavy clay and average soils.
  • Water: Requires regular watering; performs well in moist conditions but tolerates brief dry spells once established.
  • Humidity: Tolerates a range of humidity levels.
  • USDA Hardiness Zones: 4-9, adaptable to temperate climates.

Ideal Uses

  • Pollinator Gardens: Attracts bees, butterflies, and other beneficial insects with nectar-rich blooms.
  • Bird Gardens: Seed heads provide food for birds in fall and winter.
  • Naturalized Plantings: Ideal for meadows, prairies, and wildflower landscapes.
  • Rain Gardens: Thrives in moist soil and helps manage water runoff.
  • Back-of-Border Plantings: Tall stature adds height and structure to garden beds.

Low Maintenance Care

Giant Coneflower is a hardy, low-maintenance perennial that thrives with minimal care once established.

  • Watering: Water regularly during establishment; prefers moist soil but tolerates occasional drought.
  • Pruning: Deadhead spent flowers to encourage prolonged blooming or leave seed heads for winter interest.
  • Fertilizing: Minimal fertilization is required; apply compost in early spring if desired.
  • Pest and Disease Resistance: Resistant to deer, rabbits, and most common pests.
  • Winter Care: Leave seed heads for winter interest and wildlife food; cut back dead foliage in early spring.

Why Choose Giant Coneflower?

Giant Coneflower offers bold texture, towering height, and wildlife support, making it an excellent choice for naturalized, pollinator-friendly, and rain gardens.

  • Striking Height: Tall flower stalks create dramatic vertical interest in garden plantings.
  • Unique Blue-Green Foliage: Adds bold texture and color contrast.
  • Pollinator and Bird Friendly: Attracts beneficial insects and provides food for birds.
  • Low Maintenance: Thrives with minimal care once established.
  • Versatile in Moist Conditions: Excellent for rain gardens and wet sites.

For dramatic height, bold foliage, and reliable garden performance, Giant Coneflower (Rudbeckia maxima) is an exceptional focal point choice for naturalized, pollinator-friendly, and rain gardens.

OUR SIZING

Not sure what 2 inch B&B or 30 Gallon Clump really means? This guide breaks down all our plant size terms so you know exactly what to expect, whether you're ordering online or picking up at our nursery. From caliper measurements to container volumes, we've decoded our system to help you shop with confidence.

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