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Herbert Azalea

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Herbert Azalea (Rhododendron 'Herbert')

Herbert Azalea (Rhododendron 'Herbert') is a compact evergreen azalea known for its rich purple blooms and cold hardiness. This early to mid-season bloomer is a favorite in traditional gardens, offering vibrant color, a manageable size, and reliable performance even in northern climates. Its striking flowers and tidy growth make it a versatile choice for foundation beds, borders, and woodland garden edges.

Distinctive Features

'Herbert' matures at 2 to 3 feet tall and wide, forming a dense, rounded shrub. In spring, it produces abundant semi-double, violet-purple flowers with a prominent reddish-purple blotch. The evergreen foliage is small, glossy, and deep green, providing structure throughout the year. Its cold tolerance and rich coloring make it an especially valuable variety for gardeners in Zones 5 and up seeking bold color in a compact form.

Growing Conditions

  • Sun Exposure: Partial shade is best; tolerates full sun in cooler climates with sufficient moisture.
  • Soil: Prefers acidic, well-drained soil enriched with organic matter.
  • Water: Moderate; keep soil consistently moist but not soggy.
  • Humidity: Performs well in moderate to high humidity with good airflow.
  • USDA Hardiness Zones: 5�8; well-suited to northern and mid-Atlantic regions.

Ideal Uses

  • Foundation Plantings: Neat size and evergreen foliage are ideal for low accenting near homes.
  • Front-of-Border Color: Eye-catching flowers provide a bold spring display.
  • Woodland Edges: Natural fit under filtered light conditions near trees and larger shrubs.
  • Small Gardens: Great for urban landscapes, courtyard beds, or compact yards.
  • Mass Plantings: Uniform growth makes it easy to repeat in borders or as low hedging.

Low Maintenance Care

Herbert Azalea is low maintenance with a strong natural shape and good resistance to common problems. Plant in acidic soil and provide light pruning after bloom to maintain density and encourage new growth.

  • Watering: Water regularly, especially in dry periods or during active growth.
  • Pruning: Prune lightly after flowering to maintain form and remove any leggy stems.
  • Fertilizing: Use fertilizer for acid-loving plants in early spring or after bloom if needed.
  • Pest and Disease Resistance: Generally resistant to most azalea pests and diseases with proper siting.
  • Winter Care: Mulch in fall to protect roots and moderate soil temperature.

Why Choose Herbert Azalea?

Herbert Azalea (Rhododendron 'Herbert') combines deep purple blooms, evergreen appeal, and cold-hardiness in a reliable, small-scale shrub. It�s a time-tested variety that performs well in both formal and naturalistic garden designs.

  • Showy Purple Blooms: Vivid violet flowers with semi-double form brighten spring borders.
  • Compact and Evergreen: Small stature and year-round foliage make it useful in tight spaces.
  • Cold Tolerant: Proven performer in northern zones where other varieties may falter.
  • Low Maintenance: Minimal pruning and adaptable to many garden settings.
  • Excellent for Repetition: Uniform growth habit makes it ideal for massing or symmetry in design.

For strong spring color, evergreen structure, and cold-climate reliability, Herbert Azalea offers an attractive, compact solution for home and landscape gardens alike.

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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