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Swamp sea-lavender
Swamp sea-lavender is a perennial herbaceous plant. This ornamental thrives in coastal regions on clay soils that are flooded by the sea periodically. Swamp sea-lavender used to be used to deter moths.
Scientific classification
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Perennial
Lifespan
Herb
Plant Type
Summer, Early fall
Bloom Time
3 cm to 7 cm
Plant Height
Green, Blue
Leaf Color
Purple
Flower Color
Evergreen
Leaf type

Distribution of Swamp sea-lavender

Distribution Map
Swamp sea-lavender is indigenous to the Mediterranean Basin in Europe, Northern Africa, and parts of Western Asia. This perennial is found naturally along coastal regions and in salt marsh environments of these areas. Its range has not notably expanded through cultivation or introduction to non-native regions.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Marshy

Care Guide for Swamp sea-lavender

Every week
Water
Full sun
Sunlight
20 - 35 ℃
Ideal Temperature
Water: Swamp sea-lavender, native to saline wetlands, thrives in high moisture and tolerates flooding. It prefers consistent hydration, needing weekly watering. As an outdoor herbaceous perennial, it benefits from rainwater, which supports its growth cycles and resilience.
Fertilize: Fertilize swamp sea-lavender in spring with a balanced fertilizer (10-10-10) and switch to high-phosphorus during blooming. Apply every 4-6 weeks at half strength. Reduce fertilization in fall and winter, and use gloves when handling to prevent skin irritation.
Pruning: Swamp sea-lavender thrives with pruning from early spring to late winter, removing dead stems and spent flowers to boost growth and shape. Thinning overcrowded branches enhances air circulation, reducing disease risk and promoting blooms. Use clean, sharp tools for cuts to prevent infection and improve vitality.
Propagation: Swamp sea-lavender is a coastal perennial that flourishes in saline areas, characterized by violet-blue flowers. Effective propagation occurs through division, ensuring each segment has part of the root system. Proper separation and immediate replanting enhance establishment, helping gardeners expand collections or rejuvenate clumps.
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