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How to Grow Lilac

Reviewed by MyLocalPlanting Editorial Team Updated Sources
Lilac (Syringa vulgaris)

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Plant nursery stock — skip years of growing from seed.

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Supplies You'll Need

Watering Can

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Plant Overview

Scientific Name Syringa vulgaris
Category shrub
Type Shrub (nursery stock)
Days to Maturity 365 days
Starting Method Nursery Stock

Growing Requirements

Sun

Full Sun (6+ hours)

Water

Low to Moderate

Spacing

10 ft apart

Height

8-15 ft

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Companion Planting Guide for Lilac

Discover which plants grow well with Lilac and which to keep at a distance for a healthier garden →

Seed Saving Guide

Vegetative propagation

Propagate vegetatively, not by seed

Dig and replant the suckers that appear around the base of an established shrub — the easiest way to multiply a lilac.

Lilac Planting Calendar by Zone

Zone 1a Zone 1b Zone 2a Zone 2b Zone 3a Zone 3b Zone 4a Zone 4b Zone 5a Zone 5b Zone 6a Zone 6b Zone 7a Zone 7b Zone 8a Zone 8b Zone 9a Zone 9b Zone 10a Zone 10b Zone 11a Zone 11b Zone 12a Zone 12b Zone 13a

Lilac Planting Calendar by State

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Frequently Asked Questions

When should I plant Lilac? +

Plant container-grown or bare-root Lilac in early spring, 4 weeks before your last frost date — or in early fall once summer heat breaks. Use the search on this page to find exact dates for your location.

How long does Lilac take to grow? +

Lilac typically blooms in about 365 days from planting. Exact timing varies by variety, soil conditions, and local climate.

Should I start Lilac indoors or direct sow? +

Neither — Lilac isn't grown from seed at home. Buy a container-grown or bare-root plant from a nursery and plant it outdoors at the right time for your local frost dates.

How much sun does Lilac need? +

Lilac requires full sun (6+ hours) to thrive.

How far apart should I plant Lilac? +

Space Lilac plants 120 inches apart to allow adequate airflow and root development.

How much water does Lilac need? +

Lilac has low to moderate water needs. Consistent moisture is important especially during germination and early growth.

Can you save seeds from Lilac? +

Lilac is not typically propagated by seed. Dig and replant the suckers that appear around the base of an established shrub — the easiest way to multiply a lilac.

About Lilac

Intensely fragrant spring flower clusters on a tough, cold-loving shrub — lilacs actually need winter chill and sulk in the South. Plant in early spring or fall; expect the first good bloom in 2–3 years.

Expect your Lilac to be ready for harvest in approximately 365 days from planting.

Use the search above or browse by zone or state to find the perfect planting dates for your location.