
LIFE CYCLE
Annual
PLANT CHARACTERISTICS
Delicate
GROWTH HABIT
Compact
BLOOM SEASON
Spring–Summer
FLAVOUR PROFILE
Ornamental
SUITABLE FOR
Outdoor
SEED TYPE
Open-pollinated
PLANT TYPE
Flowering plant
PLANTING SEASON
Spring
FRUIT SIZE
N/A
PLANT HEIGHT
Short
LIGHT REQUIREMENT
Partial Sun
WATER NEEDS
High
HARDINESS ZONES
2–10
CONTAINER GARDEN
Yes
PLANT SPACING
15–20 cm
PLANTING DEPTH
Surface-sown
GROWING CONDITIONS
Moist soil
Frequently Asked Questions
What makes Lobelia 'Cambridge Blue' a popular flowering plant?
What makes Lobelia 'Cambridge Blue' a popular flowering plant?
Lobelia 'Cambridge Blue' is admired for its masses of soft sky-blue blooms, compact cascading growth habit, and long flowering season, making it a popular choice for borders, containers, hanging baskets, and edging displays.
Where can Lobelia 'Cambridge Blue' be grown?
Where can Lobelia 'Cambridge Blue' be grown?
It grows well in flower beds, borders, edging, hanging baskets, window boxes, and containers with fertile, well-drained soil in a location that receives full sun to partial shade.
Do bees, butterflies, and other pollinators visit the flowers?
Do bees, butterflies, and other pollinators visit the flowers?
Yes, the nectar-rich blooms may attract bees, butterflies, and other beneficial pollinating insects throughout the flowering season.
Can Lobelia 'Cambridge Blue' be grown in hanging baskets and containers?
Can Lobelia 'Cambridge Blue' be grown in hanging baskets and containers?
Yes, its compact, spreading growth habit makes it especially well suited for hanging baskets, patio planters, window boxes, balconies, and decorative container arrangements.
Does removing spent flowers encourage continued blooming?
Does removing spent flowers encourage continued blooming?
Yes, trimming faded flowers and lightly shearing plants after the first flush of blooms helps maintain a neat appearance and may encourage continued flowering under suitable growing conditions.
Does Lobelia 'Cambridge Blue' provide long-lasting seasonal interest?
Does Lobelia 'Cambridge Blue' provide long-lasting seasonal interest?
Yes, healthy plants produce abundant soft blue flowers above lush green foliage, adding lasting color, texture, and ornamental appeal to gardens, borders, patios, hanging baskets, and containers throughout the flowering season under suitable growing conditions.