Lilac (Syringa reticulata subsp. reticulata) in the Lilacs Database

Common names:
Give a thumbs up Lilac
Give a thumbs up Japanese Tree Lilac

Also sold as:
Giant Tree Lilac

General Plant Information (Edit)
Plant Habit: Shrub
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Moderately alkaline (7.9 – 8.4)
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Plant Height: 7 to 32 feet (2-10 m)
Leaves: Good fall color
Flowers: Showy
Blooms on old wood
Flower Color: White
Flower Time: Late spring or early summer
Uses: Provides winter interest
Flowering Tree
Wildlife Attractant: Bees
Containers: Not suitable for containers

illustration from the 1888 catalog, Shady Hill Nurseries, Cambrid

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