Pet Safe
moderate Care
bellflower
Campanula 'Sarastro'
The Bellflower (Campanula 'Sarastro') is an amazing plant that will brighten any garden with its deep blue, bell-shaped flowers. This easy to grow perennial is also resistant to disease and drought. Blooms appear from late spring to early fall, and attract butterflies and hummingbirds. The Bellflower also grows to an average of 30-45 cm in height with a spread of up to 30 cm, making it an excellent choice for a border or rock garden. It prefers sunny to partially shaded areas and is low maintenance, needing only occasional watering and deadheading. With a hardy constitution and amazing deep blue flowers, the Bellflower (Campanula 'Sarastro') is an attractive addition to any garden.
Sunlight
Partial Shade
Water Needs
medium
USDA Hardiness Zones
Zone 4Zone 5Zone 6Zone 7Zone 8
Hardiness Map
Green areas show climates worldwide where this plant can grow.
Zone 4Zone 5Zone 6Zone 7Zone 8
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Water Every
"7-10" days
Sun Needs
partial-shade
Growth
High
Care Level
Low
Watering Schedule
Frequency
Day 1"7-10" daysDay NaN
💧 Water every "7-10" days
Seasonal Adjustments
Adjust watering frequency based on temperature, humidity, and season. Water more frequently in summer and less in winter.
Pro Tip: Check soil moisture before watering. Stick your finger 1-2 inches into the soil—if it's dry, it's time to water!
Season
Fall
Sep Oct Nov
Winter
Dec Jan Feb
Spring
Mar Apr May
Summer
Jun Jul Aug
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pruning Time
How to Propagate
Division
Divide root ball in spring, replant sections immediately
Cutting
Take 4-6" cuttings in spring, root in water or moist soil
Layering Propagation
Bend stem to soil surface, cover lightly, roots form in 4-6 weeks
Seed Propagation
Start seeds indoors 6-8 weeks before last frost date
Grafting Propagation
Join scion to rootstock, bind securely until healed
Plant Characteristics
Drought Tolerant
Is This Plant Right for You?
Good For:
- •Forgetful waterers
- •Homes with pets
- •Low-maintenance gardens
Consider Carefully:
- •Indoor growing
Bloom Seasons
Care Tips
Light Requirements
Enjoys dappled or limited direct sun—about 2–4 hours of morning or late afternoon light and protection during peak midday sun.
Watering
Keep soil consistently moist but not waterlogged. Water when top inch of soil is dry.