Common Lilac, French Lilac
Syringa vulgaris 'Firmament'

Family: Oleaceae (oh-lee-AY-see-ee) (Info)
Genus: Syringa (si-RING-gah) (Info)
Species: vulgaris (vul-GAIR-iss) (Info)
Cultivar: Firmament

Category:

Shrubs

Height:

8-10 ft. (2.4-3 m)

Spacing:

6-8 ft. (1.8-2.4 m)

Hardiness:

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:

Full Sun

Danger:

N/A

Bloom Color:

Purple

Bloom Time:

Mid Spring

Late Spring/Early Summer

Foliage:

Deciduous

Smooth-Textured

Other details:

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

Average Water Needs; Water regularly; do not overwater

Flowers are good for cutting

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Non-patented

Propagation Methods:

From softwood cuttings

By grafting

By air layering

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

This plant has been said to grow in the following regions:

Rehoboth Beach, Delaware

Brooklyn, New York

Meshoppen, Pennsylvania

Nashville, Tennessee

Gardeners' Notes:

No details have been posted.