Syringa × hyacinthiflora 'Royal Purple' is an early flowering lilac prized for richly colored, fragrant blooms and a dependable spring display. You get upright to rounded growth and dense branching that works well as a specimen, in a mixed border, or in an informal screen. Mature size is typically about 12-15 feet tall with an 8-12 foot spread, so plan room for airflow and easy pruning.

For best flowering, plant it in full sun. It will tolerate light shade, but fewer flowers are common in lower light. Choose a site with well-drained soil; neutral to alkaline pH is preferred, and lilacs often struggle in strongly acidic soils. Water regularly during the first season to establish roots, then provide supplemental water during prolonged dry spells.

Because this lilac blooms on old wood, prune just after flowering if you need to shape or control size. Remove a few of the oldest stems at the base to encourage new growth, and avoid heavy pruning in late summer, fall, or winter so you do not remove next year's flower buds. Deadheading spent flower clusters is optional but can keep the plant looking tidy.

Hardy in USDA Zones 2-7, 'Royal Purple' is a classic choice for colder climates where lilacs perform best. Plant it where you can enjoy the fragrance, and give it good sun, drainage, and room to mature for years of reliable spring color.

Specifications

• Cold hardiness zone: 2-7 (-50 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: 144-180"
• Spread: 96-144"
• Edible: Yes
• Fragrant: Yes

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