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Million Bells
Easy Annual Safe for pets

Million Bells

Calibrachoa hybrida

A prolific bloomer producing countless small, bell-shaped flowers all season long.

The essentials at a glance

  • Watering

    Every day

  • Light

    Full sun

  • Humidity

    50–70 %

  • Temperature

    10–30 °C

How to care for your Million Bells

Everything you need to keep your Million Bells healthy: watering, light, humidity, feeding, repotting and pruning.

Calibrachoa hybrida, commonly known as Million Bells, is a popular bedding and container plant, resembling a miniature petunia. It produces an astonishing abundance of small, trumpet-shaped flowers in nearly every color imaginable, from vibrant yellows and reds to delicate pinks and purples. With its compact, mounding, and trailing habit, it's perfect for hanging baskets, window boxes, and as a filler in mixed containers, thriving in full sun and well-drained soil. It offers reliable, season-long color.

Watering your Million Bells

Every day

Water frequently to keep soil moist, especially in hot weather.

How to know it needs water

  • Top inch of soil is dry
  • Foliage appears slightly dull

How much light a Million Bells needs

Full sun

Full sun.

Direct sun tolerated
6 to 10 h a day
Orientations that suit it
East, South-east, South, South-west, West

Humidity and misting

50–70 %

Moderate. Not needed; good air circulation helps prevent disease.

Feeding and fertiliser

Every 7 days

Feed weekly or bi-weekly for continuous abundant blooms.

Recommended feed
High-phosphorus liquid fertilizer. · 5-10-5

Repotting your Million Bells

Every 12 months

N/A

When
N/A
Potting mix
All-purpose potting mix
Mix in
perlite, coco fibre

The tell-tale signs

  • N/A

Pruning your Million Bells

As needed. Lightly trim leggy growth to encourage bushiness, no deadheading required.

Through the year

Watering is not set once and for all: it follows the light and the growth. Allow 2 days between waterings in the depth of winter, against 1 in the growing season.

  1. 2 J
  2. 1 F
  3. 1 M
  4. 1 A
  5. 1 M
  6. 1 J
  7. 1 J
  8. 1 A
  9. 1 S
  10. 1 O
  11. 1 N
  12. 2 D

Active growth · Days between waterings

Good to know

  • Often confused with petunias but has smaller flowers.
  • Called 'Million Bells' due to its prolific blooming habit.

Frequently asked questions about the Million Bells

How do you care for a Million Bells?

Water it every day. Give it full sun. Ideal humidity: 50–70 %. Ideal temperature: 10–30 °C. Water frequently to keep soil moist, especially in hot weather.

How often should you water a Million Bells?

Every day Water frequently to keep soil moist, especially in hot weather. How to know it needs water : Top inch of soil is dry ; Foliage appears slightly dull.

How much light does a Million Bells need?

Full sun Full sun. 6 to 10 h a day

Is the Million Bells toxic to cats and dogs?

No, the Million Bells is not listed as toxic to cats and dogs. That is still no reason to let your pets chew on it.

Why are my Million Bells leaves turning yellow?

Yellowing most often comes from too much water: the mix stays wet and the roots suffocate. Check that the pot drains, empty the saucer, and let the mix dry before watering again. Too little light or a cold draught cause the same symptom.

When should you repot a Million Bells?

Repot every 12 months, ideally in n/a. N/A

At a glance

Family
Solanaceae
Category
Annual
Placement
Outdoor
Mature height
30 cm
Growth
Fast
Temperature
10–30 °C
Pot materials
terracotta, plastic, ceramic
Growth
Reaches maturity in 1 years

These figures are for an average plant. In the app they are recalculated for yours, based on your room, its orientation and the season.

And for your plant, in your home?

In the app this plant becomes yours: a watering schedule tuned to your home, health tracking from photos, and reminders at the right moment.

In the same spirit