American silvertop (Glehnia littoralis)

American silvertop

Also known as: Beach glehnia, Corkwing

American silvertop (*Glehnia littoralis*) is named for the Russian botanist Peter von Glehn. The *littoral* part of the name means *shoreside* and refers to its coastal distribution around the Northern Pacific Rim. This plant is a member of the carrot family and its white flowers are similar in appearance to those of the carrot.

Scientific classification

Species

American silvertop (Glehnia littoralis)

Carrots, ivies and allies

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Perennial

Lifespan

Herb

Plant Type

Late spring, Summer

Bloom Time

30 cm

Plant Height

15 cm to 30 cm

Spread

3 cm to 6 cm

Flower Size

White, Yellow, Green

Flower Color

Images of American silvertop

Distribution of American silvertop

Distribution Map

American silvertop is naturally found along the coastlines of the northwestern Pacific region, with its range extending from temperate areas of northeastern Asia to the far eastern coastlines. While primarily indigenous to this major region, its presence beyond these boundaries has not been documented as introduced or widespread elsewhere.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Beach sands and dunes

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for American silvertop

Every week

Water

Full sun

Sunlight

10 - 32 ℃

Ideal Temperature

Water: American silvertop thrives in coastal environments with consistent moisture and can tolerate occasional dryness. It requires weekly watering, adapts well to sandy, fast-draining soils, and manages salt spray effectively, making it ideal for seaside gardens.

Fertilize: For american silvertop, use balanced fertilizers quarterly during growing seasons to enhance growth. Avoid over-fertilization, adjust for seasonal needs, and water thoroughly after application at the root zone. This care suits all gardening levels, promoting healthy development for american silvertop.

Pruning: American silvertop has silver-topped leaves and grows well in sandy coastal areas. Prune in early to late spring, removing dead stems at a 45-degree angle to maintain health. Thin dense areas for better air circulation, but avoid over-pruning to ensure foliage supports energy production.

Propagation: American silvertop is propagated by sowing fresh seeds in well-draining soil. Ensure a sunny location for germination, maintaining consistent moisture without oversaturation. After germination, thin seedlings to prevent overcrowding, and handle roots gently during transplantation for better establishment in their final location.

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Images of American silvertop

Distribution of American silvertop

Care Guide for American silvertop

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