Common Lilac 'Nadezhda' (Syringa vulgaris 'Nadezhda')

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Sunlight Full sun to partial shade; requires at least 6 hours of direct sun for abundant spring blooms

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Watering Water deeply when the top 5 cm of soil is dry; avoid overwatering to prevent root rot

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Temperature Extremely cold hardy to -30°C; tolerates cool temperate climates; avoid prolonged temperatures above 28°C in summer

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Leaf: Heart-shaped, opposite arrangement, dark green, matte texture, 5–12 cm long
Flower: Dense panicles of fragrant lavender-pink florets, four petals per flower
Stem: Woody, grey-brown bark, upright branching habit

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Watering

Water regularly during bloom period to maintain consistent soil moisture

Fertilization

Apply balanced slow-release fertilizer in early spring before new growth. Do not fertilize in winter when the plant is dormant

Eggshell powder topdressing：Crush dried eggshells into fine powder; sprinkle 1–2 tbsp around the base of the shrub in early spring

Pruning

Deadhead spent blooms immediately after flowering to encourage better blooms the following year
Thin crowded branches in late winter to improve airflow and light penetration
Remove damaged, diseased, or crossing wood annually to maintain plant health and shape

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Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA confirmed non-toxic; no adverse effects from ingestion or contact

Humans: No documented toxicity to humans; safe for handling and proximity

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Culture: Symbolizes love and remembrance in European folklore; often planted in memorial gardens

Usage: Ornamental garden shrub; cut flower for fragrant indoor arrangements