Rugosa Rose (Rosa rugosa)

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Sunlight Full sun to partial shade; produces the most blooms in full, direct sunlight

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Watering Water deeply when the top 5–7 cm of soil is dry; avoid overwatering to prevent root rot

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Temperature Extremely cold-hardy to -20°C; tolerates coastal winds and salt spray

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Leaf: Wrinkled, dark green, ovate leaves with serrated margins; fall color ranges from yellow to bronze
Flower: Fragrant, 6–10 cm wide, five-petaled blooms in pink, white, or purple-red
Stem: Thorny, woody stems with dense, curved prickles
Fruit: Bright red, tomato-like rose hips that persist into winter

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Watering

Keep soil consistently moist during active growth

Fertilization

Apply balanced slow-release fertilizer in early spring. Avoid high-nitrogen fertilizers to prevent excessive leaf growth over flowering

Eggshell powder top-dressing：Crush dried eggshells into fine powder; sprinkle 1–2 tbsp around the plant base and work lightly into topsoil

Pruning

Prune dead or damaged branches in late winter to early spring before new growth emerges
Thin overcrowded stems to improve airflow and light penetration
Remove spent blooms regularly to encourage continuous flowering
Trim back overgrown branches after flowering to maintain a compact, rounded shape

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Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic; no known adverse effects

Humans: Non-toxic; rose hips are edible when ripe

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Culture: Symbolizes love, resilience, and remembrance; often used in memorial gardens

Usage: Ornamental garden shrub; rose hips are used to make teas, jams, and herbal supplements