Alert: Limited Online Availability

Now that fall is here, we have limited our stock for online purchase. Find Monrovia plants at your local garden center. Pre-order for 2023 will be available later this year. ×

Old Glory Lilac

Syringa x 'Old Glory'

SKU
04219
An exciting, new release from the United States National Arboretum, this exceptional lilac grows well even in the heat and humidity of the Mid-Atlantic and southern areas. Abundant, fragrant, purple-blue flowers are displayed on a rounded form, with tough, disease tolerant foliage specifically bred to resist mildew. Deciduous.
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5-8

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Full sun, Partial sun

Water when top 2 inches of soil is dry.

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Botanical Pronunciationsih-REEN-gah
Average Size at MaturityReaches 8 to 11 ft. tall, 10 to 12 ft. wide.
Bloom TimeSpring
Deciduous/ EvergreenDeciduous
Flower AttributeFlowers for Cutting, Fragrant, Showy Flowers
Flower ColorPurple
Foliage ColorGreen
Garden StyleCottage, Rustic
Growth RateModerate
Landscape UseBorder, Hedge, Privacy Screen, Windbreak
Light NeedsFull sun, Partial sun
Special FeatureAttracts Butterflies, Attracts Hummingbirds, Easy Care, Improved Pest and Disease Resistance, Waterwise
Water NeedsModerate
Watering NeedsWater when top 2 inches of soil is dry.
Companion PlantsBoxwood (Buxus); Weigela (Weigela); Coneflower (Echinacea); Juniper (Juniperus); Maiden Grass (Miscanthus); Shasta Daisy (Chrysanthemum)

Thrives in well-drained, neutral to slightly alkaline soils. Needs good air circulation. Water deeply, regularly in the first growing season to establish an extensive root system. Once established, reduce frequency; increase frequency again before and during spring bloom period. Fertilize in early spring. Prune after flowering.

This Plant's Growing Zones: 5-8

USDA Cold Hardiness Zone Map

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