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Common Purple Lilac

Syringa vulgaris

  • The Original Lilac Rootstock: Most Modern Varieties Are Grafted Onto this Proven Cultivar
  • Cold Hardy: Thrives in Zones 3-7
  • Grows 8-10 ft Tall and Wide
  • Deer Resistant, Rabbit Resistant, Salt Tolerant
  • Showy Purple Blooms in Late Spring
Regular price $7459
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Plant Size

Planting & Care

Where to Plant

  • Sunlight: Ensure your lilac receives at least 6 hours of direct sunlight daily for the best bloom density. While they can survive in partial shade, the plant will likely become leggy, produce fewer flowers, and be more susceptible to powdery mildew.
  • Soil: These shrubs thrive in humus-rich, neutral to slightly alkaline soil that drains quickly. If you are working with heavy clay, amend the site with compost or plant in a raised berm to prevent root rot, as lilacs hate having "wet feet."

Watering Requirements

Keep the soil consistently moist during the first growing season to help the extensive root system establish. Once mature, lilacs are moderately drought tolerant, though a deep soak during dry summer spells prevents leaf wilt and ensures the plant has enough energy to set buds for the following year.

Pruning Tips

Common Purple Lilacs bloom on old wood, so you must prune them immediately after the flowers fade in late spring. To keep the shrub vigorous, use the renewal method by cutting one-third of the oldest, thickest trunks all the way down to the ground each year. This encourages fresh, flowering shoots from the base rather than tall, bare branches.

Fertilizer Needs

Apply a balanced 10-10-10 fertilizer in early spring before new growth begins to support the bloom cycle. Avoid applying high-nitrogen fertilizers, especially late in the season, because they promote excessive leafy growth at the expense of flowers and can delay the plant going dormant for winter.

Delivery and Shipping

Shipping Rates

Ships in 7-10 business days • Tracking provided • Weather protected

Under $50 $9.99
$50 - $99.99 $14.99
$100 - $149.99 $16.99
$150 - $198.99 $24.99
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Specifications

Plant specifications
Plant Characteristics Cold hardy, Flowering, Fragrant, Deer-resistant, Attracts pollinators, Drought resistant, Clay Tolerant, Hedge/Screen
Hardiness Zone 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a
Sunlight Full sun
Height 8-10 ft
Width 8-10 ft
Watering Needs Moderate
Preferred Soil Clay, Loamy, Peaty
Growth Rate Moderate
Growth Habit Bushy, Upright
Blooms In Spring
Flower Color Purple
Foliage Color Green
Fragrant Yes
Suitable Space Indoors, Outdoors
Plant Name Lilac
Botanical Name Syringa vulgaris
Species vulgaris
Class Magnoliopsida
Does Not Ship To AK, HI, ID, MT, PR

Frequently Asked Questions

Are lilacs purple?

  • Lilacs come in multiple colors including purple, pink, white, and yellow varieties. The Common Purple Lilac produces fragrant lavender flower clusters in mid-spring and thrives in zones 3-7. Pair different colored lilac cultivars together to create a colorful hedge with extended bloom time.

What planting zones is the Common Purple Lilac hardy in?

  • Common Purple Lilac thrives in USDA hardiness zones 3 through 7, tolerating temperatures down to -40°F. This exceptional cold hardiness makes it perfect for northern gardens and exposed locations. Shop at Nature Hills for reliable spring blooms year after year.

Does Common Purple Lilac need full sun or can it tolerate partial shade?

  • Common Purple Lilac thrives in full sun and needs at least 6 hours of direct sunlight daily for best flowering. While it can tolerate light shade, blooms will be significantly reduced in partial shade conditions. Plant in the sunniest spot available for maximum fragrance and flower production.

How often should I water my newly planted lilac and what are its drought tolerance levels?

  • Water newly planted lilacs deeply once or twice weekly for the first growing season. Once established, these hardy shrubs are quite drought tolerant and can survive with minimal supplemental water. Check soil moisture 2-3 inches down and water when dry.

What is the growth rate of Common Purple Lilac and how long until it reaches full size?

  • Common Purple Lilac grows at a moderate pace, typically reaching 8-15 feet tall and wide in 10-15 years. These hardy shrubs establish quickly in zones 3-7 and begin blooming within 2-3 years. For best results, give them full sun and well-draining soil when you shop at Nature Hills.

Is Common Purple Lilac deer resistant?

  • Common Purple Lilac is generally deer resistant, though deer may browse it during harsh winters when food is scarce. The fragrant flowers and tough woody stems typically deter deer in normal conditions. Plant it in exposed areas or use it as a natural deer barrier along property lines.

Does this lilac require regular pruning and when is the best time to prune?

  • Lilacs benefit from light pruning right after flowering in late spring to early summer. This timing preserves next year's blooms since flower buds form on old wood. Remove spent flowers and any dead or crossing branches. Avoid heavy pruning unless reshaping an overgrown shrub.

How long should I expect my lilac to live with proper care?

  • Common Purple Lilacs can live 50-100 years or more with proper care. These extremely hardy shrubs (zones 3-7) have been found thriving around century-old farmsteads. Give yours full sun, well-draining soil, and annual pruning right after blooming for maximum longevity.