annual

White Million Bells

Calibrachoa x hybrida 'White'

The Story

Plant Bio

A tender perennial, typically grown as a mounding or trailing annual. Prized for its profusion of small, petunia-like flowers that bloom continuously from spring until frost. Features small, ovate, green leaves. Excellent for containers, hanging baskets, and as a 'spiller' in mixed plantings.

This cultivar is particularly valued for its prolific flowering and its ability to produce a continuous display of pure white blooms throughout the growing season.

Uses & Benefits:

Ornamental UsesBright white flowers create striking visual appeal in containers and hanging baskets.
Practical UsesDrought-tolerant and easy to maintain, ideal for low-care gardens.
Ecological BenefitsSupports insect diversity with its attractive flowers.
SpeciesCalibrachoa x hybridaMillion Bells

Essentials

At a Glance

Plant Type

Annual

Height

6 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

9, 10

Water

Moderate, drought-tolerant once established

Humidity

Average garden humidity

Lifespan

Tender perennial (grown as an annual)

Native To

Cultivated hybrid

Toxicity

Non-toxic to humans and pets

Planting

How to Grow

  1. Tuck seeds into moist soil in spring
  2. Water regularly to keep soil evenly moist
  3. Provide full sun for best flowering
  4. Fertilize every 2 weeks with balanced fertilizer
  5. Pinch back to promote bushiness after 4 weeks
  6. Deadhead spent flowers to encourage more blooms

Pro Tip

Use well-draining soil and avoid overwatering to prevent root rot.

Keep It Thriving

Care Guide

Do

  • Water consistently during hot weather 🌱
  • Feed with a balanced fertilizer biweekly
  • Pinch back to encourage bushier growth

Don't

  • Avoid overwatering to prevent fungal diseases ❌
  • Don't let soil dry out completely
  • Avoid excessive fertilizing which can cause leggy growth

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Pest Check
Pinch
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid hanging basket centerpieceVanilla-scented border along walkways

Companion Plants

Petunias VerbenaLobeliaSweet Potato Vine Caladium

Multiply

Propagation Methods

Good to Know

Common Questions

White Million Bells questions

What zones can White Million Bells grow in?

White Million Bells is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is White Million Bells deer resistant?

Not reliably. Deer may browse White Million Bells, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does White Million Bells bloom?

White Million Bells typically blooms in spring, summer, fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does White Million Bells need full sun?

White Million Bells does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is White Million Bells drought tolerant?

Yes — once established (usually after the first full season), White Million Bells handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.

Keep exploring

Explore the genus

Hardy in your zone?

Grow White Million Bells with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.