The blue pimpernel (Lysimachia foemina) produces deep blue to purple flowers with neon pink insides and bright yellow stamens. The plant is known as the poor man's weatherglass because of the speed at which its petals close when rain is coming. Blue pimpernel is endangered in several European countries and is on the national red list in Poland because of its risk of extinction.
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Annual
Lifespan
5 cm to 18 cm
Plant Height
8 mm
Flower Size
Blue
Flower Color
Semi-evergreen
Leaf type
20 - 35 ℃
Ideal Temperature
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Images
Distribution
Care Guide
FAQs
Images of Blue pimpernel
Distribution of Blue pimpernel
Distribution Map
The plant blue pimpernel has a native range that spans across temperate zones of Eurasia, encompassing major portions of Europe, the Middle East, and central Asia. Beyond its native habitat, blue pimpernel has been introduced to parts of South America, particularly in areas with compatible climates.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Scrub, Uncultivated soils and grasslands
Hemisphere Trend Curve
Northern
Sorthern
Care Guide for Blue pimpernel
Every week
Water
Full shade
Sunlight
20 - 35 ℃
Ideal Temperature
Water:
Blue pimpernel thrives in consistently moist conditions, requiring weekly watering to avoid drought stress. It prefers evenly moist soil and benefits from hydration aligned with natural rainfall patterns. Over-saturation should be avoided, ensuring proper care for optimal growth in garden beds.
Fertilize:
For blue pimpernel, use a balanced fertilizer with high nitrogen during growth phases, applying every 4-6 weeks in spring and summer, at 1 teaspoon per gallon of soil. Reduce frequency in fall/winter and water thoroughly post-fertilization to prevent root burn. Follow label instructions carefully.
Pruning:
Blue pimpernel thrives with proper pruning conducted in early to late spring. Removing dead stems enhances air circulation and disease prevention, while pinching back new growth encourages bushiness and increased blooms. Pruning supports vigorous growth and maintains a neat appearance.
Propagation:
Blue pimpernel produces delicate blue flowers and is best propagated by sowing. It requires well-draining, moist soil for germination. Seeds should be sown thinly and lightly pressed into the substrate. Maintain consistent moisture and warmth for optimal germination, then thin or transplant seedlings once true leaves appear.
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