Garden Lobelia (Lobelia erinus) is a charming annual known for its profusion of small, vibrant blue, purple, pink, or white flowers, ideal for edging and containers.
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Sunlight
Full sun to partial shade
Watering
Regular watering
Soil
Well-drained, fertile loam
Temperature
Moderate
Habitat
Outdoor
Fertilizer
Regular feeding
Full sun to partial shade
Prefers at least 6 hours of direct sunlight daily for best flowering.
Regular watering
Keep soil consistently moist but not waterlogged.
Well-drained, fertile loam
Moderate
Prefers temperatures between 15-24°C during the day; can tolerate cooler nights.
Outdoor
Regular feeding
Feed every 2-4 weeks during growing season with a balanced liquid fertilizer.
Plant Type
Herb
Plant Place Type
Garden, Pot
Plant Environment
Outdoor
Lifespan
Annual
Plant Height
0.1-0.3 m
Spread
0.1-0.3 m
Growth Rate
Moderate
Dormancy
None
Leaf Color
Green
Leaf Type
Simple
Flower Size
2-2.5 cm
Optimal Sunlight Lux
64500
Toxic for humans
Yes
Rating: 2/5
Toxic for pets
Yes
Rating: 3/5
Edible
No
Contains toxic alkaloids, causing gastrointestinal upset if ingested.