Campanula isophylla image • Photo: Author The American journal of horticulture and florist's companion• Public domain
Campanula isophylla is a trailing perennial plant with heart-shaped, toothed, light green leaves and cascading green stems that tumble over pot edges. It produces abundant star-shaped flowers measuring 3.5 cm (1.4 in) across in blue, white, or mauve colors, blooming from late summer through autumn. Growing 6-8 inches (15-20 cm) tall and 12 inches (30 cm) wide, this species is notable for its long flowering period and historical cultivation, with records dating back to 1874 documenting its freely germinating seeds. Distinct from similar species like Campanula mollis by leaf shape, it has been prized for generations as a container plant.
Plant Care Overview
Care Guide
Essential requirements for your Campanula isophylla
Light Requirements
Bright, indirect light (sensitive to direct sunlight)
Light conditions can affect leaf color and growth rate. Adjust placement as needed based on your plant's response.
Watering Schedule
Humidity Needs
humidity
Always check soil moisture before watering. Adjust frequency based on your home's conditions.
Temperature Range
15-24°C (59-75°F); frost-sensitive except in native mountain habitats
Native Climate
Native to Mountains of northern Italy
Keep away from drafts, heaters, and air conditioners which can stress your plant.
Soil Type
Well-draining potting mix
Fertilizer
Balanced houseplant fertilizer during growing season
Consider repotting every 1-2 years to refresh soil nutrients and accommodate growth.
Propagation
Methods to grow more Campanula isophylla plants
Seeds (freely germinating, wind-dispersed) and stem cuttings
Plant Info
Characteristics and background information
Mountains of northern Italy
6-8 inches (15-20 cm) tall, 12 inches (30 cm) wide
perennial
Pet safety unknown
Indoor Blooming
This plant can produce flowers indoors when given proper care.
Bloom Season
Late summer to autumn
Flower Description
Star-shaped blooms 3.5 cm across in blue, white, or mauve, described in historical records as 'of a most lovely blue color' with exceptional longevity
Fun Fact
Received the Royal Horticultural Society's Award of Garden Merit and was noted in 1907 for its rare blue flower variety being less common than white blooms.
Troubleshooting
Solutions for typical issues with your Campanula isophylla
No problems reported
Good news! No common problems have been reported for this plant. If you encounter any issues, check back later or join our community to share your experience.
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Care Guides
Detailed guides for caring for your Campanula isophylla
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