Heirloom

French Lilac

Syringa vulgaris

A bunch of purple flowers with green leaves

The classic fragrant lilac that defines spring with its intoxicating perfume and abundant blooms. These old-fashioned shrubs produce dense clusters of tubular flowers in shades of purple, pink, white, or lavender that attract butterflies and hummingbirds. A must-have for creating nostalgic cottage gardens and cutting gardens.

Harvest

N/Ad

Days to harvest

πŸ“…

Sun

Paths & Walkways

β˜€οΈ

Zones

3–7

USDA hardiness

πŸ—ΊοΈ

Height

8-16 feet

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Planting Timeline

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Transplant
Transplant

Showing dates for French Lilac in USDA Zone 7

All Zone 7 shrub β†’

Zone Map

Click a state to update dates

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French Lilac Β· Zones 3–7

What grows well in Zone 7? β†’

Growing Details

Difficulty
Easy
Spacing6-10 feet
SoilWell-drained, fertile soil with good organic content
pH6.5-7.5 (slightly alkaline preferred)
WaterModerate β€” regular watering
SeasonSpring and Summer
FlavorN/A
ColorPurple, pink, white, or lavender flowers
Size4-8 inch flower clusters

Zone-by-Zone Planting Calendar

ZoneIndoor StartTransplantDirect SowHarvest
Zone 3β€”June – Augustβ€”β€”
Zone 4β€”June – Julyβ€”β€”
Zone 5β€”May – Julyβ€”β€”
Zone 6β€”May – Julyβ€”β€”
Zone 7β€”May – Juneβ€”β€”

Complete Growing Guide

Light: Paths & Walkways. Soil: Clay, High Organic Matter, Loam (Silt). Soil pH: Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage, Moist. Height: 8 ft. 0 in. - 16 ft. 0 in.. Spread: 6 ft. 0 in. - 12 ft. 0 in.. Spacing: 6-feet-12 feet. Growth rate: Medium. Maintenance: 'Agincourt Beauty'Large purple flowers with rounded corolla lobes. 'Angel White'Low-chill cultivar with white flowers. 'Josee'Pale purple-pink flowers in spring and again sporadically in the fall. 'Ludwig Spaeth'Dark purple, single blooms. 'Sensation'Purple florets edged in white; corolla lobes pointed. Mid-season bloom., 'Agincourt Beauty', 'Angel White', 'Josee', 'Ludwig Spaeth', 'Sensation'. Propagation: Stem Cutting. Regions: Mountains.

Harvesting

The fruit is a smooth, flattened dehiscent capsule (3/4"), borne in large panicles at the terminal tips of branches. The capsules are initially green but mature to brown and are divided into 2 segments. There are 4 seeds per capsule.

Color: Brown/Copper. Type: Capsule. Length: < 1 inch. Width: < 1 inch.

Bloom time: Spring

Edibility: Flowers can be eaten raw or folded into a batter and fried to make fritters.

History & Origin

Origin: Balkan Peninsula

Advantages

  • +Disease resistance: Deer, Rabbits, Salt
  • +Attracts: Attractive Flowers, Attracts Pollinators, Colorful, Fragrance
  • +Wildlife value: Lilac attracts hummingbirds and butterflies. The nectar of the flowers is food for long-tongued bees, butterflies, and possibly moths. The caterpillars of several moths feed on the foliage.
  • +Edible: Flowers can be eaten raw or folded into a batter and fried to make fritters.
  • +Low maintenance

Companion Plants

Plant Together

+

Lavender

Shares similar soil preferences and attracts beneficial pollinators while repelling pests

+

Rosemary

Thrives in similar well-drained conditions and deters aphids and other soft-bodied insects

+

Catmint

Attracts beneficial insects and repels rodents that may damage lilac bark

+

Allium

Natural pest deterrent that protects lilac roots from soil-borne pests and nematodes

+

Clematis

Uses lilac as natural support structure while adding vertical interest without competing for nutrients

+

Hostas

Thrives in partial shade cast by mature lilacs and helps retain soil moisture

+

Daffodils

Blooms before lilac leafs out, repels rodents, and doesn't compete for summer resources

+

Peonies

Complementary bloom times and similar soil requirements create attractive garden combinations

Keep Apart

-

Black Walnut

Produces juglone toxin that inhibits growth and can cause yellowing and decline in lilacs

-

Large Maple Trees

Creates excessive shade and competes aggressively for water and nutrients

-

Eucalyptus

Allelopathic properties suppress growth of nearby plants including lilacs

Pests & Disease Resistance

Resistance

Susceptible to powdery mildew, bacterial blight

Common Pests

Lilac borer, scale insects, leaf miners

Diseases

Powdery mildew, bacterial blight, verticillium wilt

Growing Guides from Wind River Greens

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