Calibrachoa x hybrida 'Double Blue'
perennial

Million Bells

Calibrachoa x hybrida 'Double Blue'

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Perennial

Height

8 inches

Width

18 inches

Light

Full Sun, Partial Sun

Zones

9

Water

Medium

Humidity

Average

Lifespan

Tender perennial, grown as an annual

Native To

South America (parent species)

Toxicity

Generally considered non-toxic to pets, but may cause mild digestive upset if ingested.

The Story

Plant Bio

A tender perennial, typically grown as a mounding to trailing annual. Features prolific, small, petunia-like flowers and ovate, green leaves. Valued for its long bloom season from spring to frost, it excels in containers, hanging baskets, and as a bedding plant. This cultivar is distinguished by its double-flowered blooms, offering a fuller, more intricate floral display that enhances its ornamental appeal in garden settings.

Uses & Benefits:

Ornamental UsesBright, colorful blooms provide vibrant visual appeal in containers and borders.
Practical UsesDrought tolerant, ideal for low-water gardens and hanging baskets.
Ecological BenefitsAttracts beneficial insects, supporting garden biodiversity.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

  1. Tuck seeds or cuttings into well-draining soil
  2. Water thoroughly after planting, keep moist for 2 weeks
  3. Place in full sun for best flowering
  4. Fertilize monthly with balanced fertilizer
  5. Pinch back to encourage bushiness, after 4 weeks
  6. Mulch lightly to retain moisture

Pro Tip

Use well-draining soil and avoid overwatering for best results.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil moist ๐ŸŒฑ
  • Deadhead spent flowers to encourage more blooms
  • Fertilize monthly with a balanced fertilizer
  • Place in full sun for abundant flowering
  • Pinch back to promote bushiness

Don't

  • Overwater to prevent root rot โŒ
  • Allow soil to dry out completely between watering โŒ
  • Use heavy, poorly draining soil โŒ
  • Expose to harsh winter conditions โŒ

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Fertilize
Pinch
Plant
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Colorful hanging basketVivid border edgingContainer plant for patios

Companion Plants

Petunia Portulaca Sweet Alyssum Verbena Lobelia

Multiply

Propagation Methods

Good to Know

Common Questions

Million Bells questions

What zones can Million Bells grow in?

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

Is Million Bells deer resistant?

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

When does Million Bells bloom?

Million Bells typically blooms in spring to frost through late summer. Exact timing shifts a week or two with your zone โ€” Sow's bloom calendar maps it to your garden.

Does Million Bells need full sun?

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

Keep exploring

Grow 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.

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