Blue-Purple Blooms
Produces small, colorful flowers in blue to purple shades that add attractive seasonal interest to garden displays.
Estimated Delivery:Nov 22 - Nov 26
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Blue Purple Lobelia Erinus is a flowering ornamental plant known for its delicate blue-purple blooms and small green leaves. It creates a colorful display in garden borders, containers, hanging baskets, and window boxes. Lobelia erinus is commonly grown as a seasonal flowering plant and performs best in suitable light conditions and moist, well-drained soil. It is a lovely option for adding blue and purple floral color to home gardens and decorative outdoor spaces.
Produces small, colorful flowers in blue to purple shades that add attractive seasonal interest to garden displays.
Features small green leaves that complement its abundant flowers and create a soft, decorative appearance.
Suitable for smaller garden spaces, edging, containers, and mixed ornamental flower arrangements.
Can be grown in hanging baskets, window boxes, pots, and flower borders with suitable growing conditions.
| Scientific Name | Lobelia erinus |
| Common Name | Trailing Lobelia; Garden Lobelia; Blue Purple Lobelia |
| Plant Family | Campanulaceae |
| Seed Type | Ornamental Flower Seeds |
| Growth Habit | Compact, mounding, or trailing depending on cultivar |
| Flower Color | Blue to purple; exact shade depends on cultivar |
| USDA Hardiness Zones | Generally grown as an annual in many regions; hardiness depends on climate and cultivar |
| Planting Season | Usually started indoors before the last frost in cooler climates |
| Seed Starting | Surface sow; press seeds gently onto moist growing medium because light can aid germination |
| Germination Time | Approximately 10–21 days under suitable conditions; varies by seed lot |
| Germination Temperature | Approximately 65–75°F (18–24°C) as a general starting guideline |
| Sunlight | Full sun to partial shade; afternoon shade can help in hot climates |
| Soil Requirements | Moisture-retentive, fertile, well-drained soil or potting mix |
| Watering | Keep soil consistently moist without prolonged waterlogging |
| Mature Plant Size | Varies by cultivar; compact types are often around 4–9 inches tall |
| Plant Spacing | Generally 4–8 inches apart, depending on the cultivar and desired coverage |
Blue Purple Lobelia Erinus Seeds can bring delicate blooms and colorful seasonal interest to garden borders, hanging baskets, window boxes, and containers. With appropriate light, consistent moisture, and well-drained soil, these ornamental flowers can brighten a variety of garden spaces. Follow the seed packet for cultivar-specific sowing and growing instructions.
Find answers to common questions about Blue Purple Lobelia Erinus seed germination, summer care, and hanging basket growing.
Sow the tiny seeds on the surface of moist seed-starting mix and press them gently without burying them deeply. Provide bright light, suitable temperatures, and consistent moisture. Germination often takes around 10–21 days, although timing depends on seed freshness and growing conditions.
Lobelia erinus generally performs best in cool to mild conditions. In hot weather, provide afternoon shade, keep the soil evenly moist, and avoid waterlogging. Some cultivars may flower less during intense heat and resume growth when temperatures become more favorable.
Yes. Trailing cultivars of Lobelia erinus are popular for hanging baskets and window boxes because their stems can spill over the edges. Use a well-drained potting mix, choose a container with drainage holes, and check moisture regularly because hanging baskets can dry out quickly.