Scientific Name: Lobelia x speciosa
Common Name: lobelia
Family Name: Campanulaceae
Origin: Garden origin
Hardiness Zone: Zone 5: (-29 to -23 °C)
Plant Type: Annual (grown as), Herbaceous perennial
Mature Size: 0.4 - 0.7m x 0.3 - 0.6m (height x width)
Habit: Spreading, Upright
Form: Oval - vertical, Pyramidal - narrowly
Texture: Medium - fine
Landscape Uses: Attract beneficial insects, Attract butterflies, Bedding plant, Container planting, Perennial border, Summer interest
Exposure: Full sun only if soil kept moist, Part sun/part shade
Soil or Media: Humus rich, Well-drained
Leaves: Simple, Alternate, Soft flexible, Pinnate venation, Glabrous, Pubescent, Elliptic, Oblanceolate, Obovate, Serrate
Flowers: Raceme, White, Blue, Violet, Purple, Pink, Red, Dark-red, Jul-Aug-Sep
Fruit: Capsule, Aborted (hybrids) or absent, Brown, Oct-Nov
Key ID Features:
Leaves alternate but may clusters at nodes; flower bilabiate (3 petals hanging like tongues, 2 more upright like open arms).