Declaration Lilac
Declaration Lilac (Syringa x 'Declaration')
Declaration Lilac (Syringa x 'Declaration') is a bold, early-blooming hybrid lilac developed by the U.S. National Arboretum, known for its deep reddish-purple flowers and powerful fragrance. This standout selection combines strong ornamental appeal with dependable performance, adding vibrant color and seasonal interest to spring landscapes.
Distinctive Features
This upright, multi-stemmed shrub typically grows 6 to 8 feet tall and wide, forming a rounded silhouette with clean, heart-shaped green leaves. Its large panicles of saturated reddish-purple flowers appear in early to mid-spring, filling the air with a rich, sweet scent. Flower color holds well without fading, providing long-lasting visual impact.
Growing Conditions
- Sun Exposure: Full sun
- Soil Type: Well-drained loamy or sandy soil
- Soil pH: Neutral to slightly alkaline
- Water Needs: Moderate; provide regular moisture in dry spells
- USDA Hardiness Zones: 4 to 7
Ideal Uses
- Focal point in spring-blooming garden borders
- Specimen planting near patios or walkways for fragrance
- Mixed with paler lilacs for color contrast
- Foundation planting with seasonal interest
- Pollinator and cut flower gardens
Low Maintenance Care
- Prune immediately after blooming to shape and encourage next season's buds
- Remove spent flowers to promote vigor and tidy appearance
- Apply mulch to conserve soil moisture and suppress weeds
- Fertilize in early spring with a balanced slow-release fertilizer
- Plant with adequate spacing for good air flow and disease prevention
Why Choose Declaration Lilac
- Early blooms in rich reddish-purple hues
- Strong fragrance adds sensory appeal to spring gardens
- Compact and manageable size for residential landscapes
- Cold-hardy and disease-resistant hybrid
- A bold, fragrant focal point that signals the start of spring
Declaration Lilac brings bold color, strong fragrance, and early-season beauty to the garden, offering a vibrant focal point for gardeners who want standout spring impact in a manageable form.

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