Ombre Blue, also known as Million Bells or Trailing Petunia, is a flowering plant native to South America. Perennial in zone 10-11, Calibrachoa is typically grown as an annual that's particularly well-suited to hanging baskets and containers. Danziger developed the Ombre series for its unique mixed-color flowers and early blooming under ten-hour days. This cultivar has a semi-trailing habit of 12-14" tall and 12-16" wide with prolific trumpet-shaped blue to white flowers from spring through late fall. Bring whimsical color to a front porch or patio with Ombre in hanging baskets. This plant attracts hummingbirds and requires only regular water to flourish in full sun. Create attractive combinations by pairing Blue with Sunrise.
Ombre Blue Selling Tips
Sell Ombre Blue to customers looking for an annual flowering plant for a hanging basket, mixed container, or window box. Bees, hummingbirds, butterflies, and customers will enjoy bountiful unique blue to white blooms from spring until frost. With daily water, this semi-trailing cultivar flourishes in full sun. Densely blooming vibrant colors brighten porches and patios in baskets, mixed containers, or window boxes. Plant multiple color varieties together, or plant Ombre alongside Verbena, Angelonia, Coleus, Heuchera, and Lantana.
Coach Your Customer
1. Space plants 12-16" apart in well-drained soil in full sun.
2. Water daily to keep the soil moist and never allow the soil to dry out completely.
General Growing Tips For Your Rooted Cutting Liner
For best results with Ombre Blue, plant one rooted plug per 4-inch container or three per 10-inch basket. Use a well-drained soil with a pH of 5.6-6.0, EC of 1.0-1.2, light feed (100-150 ppm N), and temperatures of 65-68 daytime and 52-62 nighttime. The Colibri series will bloom under 10-hour days. You may see aphids and thrips, and this plant can be prone to botrytis and root rot. This plant doesn't requier pinching but benefits from a paclobutrazol drench when the plant is about 85% of its final size. Apply a fungicide at transplant.
Flowering
Blue to white flowers bloom from spring through fall.
Pinching
This plant doesn't require pinching.
Spacing
Space containers for adequate airflow and sunlight penetration around the base of each plant.
Height Control
Apply a drench of paclobutrazol at 1-2 ppm when the plant is about 2/3 its final size.
Pests
You may see aphids and thrips.
Disease
This plant can be prone to botrytis and root rot when the days are short or in wet, humid conditions. Calibrachoa needs adequate moisture to grow, but keep it on the dry side in the greenhouse to avoid root rot. Water at the base of each plant in the morning and again in the afternoon if needed. Do not water at night. Provide good airflow in your greenhouse and allow sunlight to penetrate to the soil level of each plant by giving enough space between containers. We recommend using horizontal airflow fans.
Planting Ombre Blue Liners
We recommend planting one rooted liner per 4-inch container or three per 10-inch basket. Use a well-drained soil and completely bury the ellepot centered or evenly spaced in the container.
Rooted Cuttings
Cuttings vary in size between different plant families. These rooted starter plants will arrive ready to be transplanted in to your final container. If they are to be used in a landscape application, you will need to establish them in a 4 inch pot or an 1801 before planting outside.
Calibrachoa Ombre Blue Quick Reference Guide
4 Inch crop time
7-8 Weeks
10 Inch crop time
8-10 Weeks
Bloom Period
Fall, Spring, Summer
Color
Blue, white
Habit
Compact, Trailing
Height
12-14 Inches
Light
Full Sun
Minimum Temp
52
Perennial Zone
10-11
Water Needs
Heavy
Patented Plant
Yes
Current
Availability
Current Availability
01-26-2026 (Week 05)
0
02-02-2026 (Week 06)
0
02-09-2026 (Week 07)
0
02-16-2026 (Week 08)
0
02-23-2026 (Week 09)
0
03-02-2026 (Week 10)
4,600
03-09-2026 (Week 11)
8,600
03-16-2026 (Week 12)
7,400
03-23-2026 (Week 13)
9,500
03-30-2026 (Week 14)
12,900
04-06-2026 (Week 15)
7,900
04-13-2026 (Week 16)
8,200
04-20-2026 (Week 17)
8,765
04-27-2026 (Week 18)
8,500
05-04-2026 (Week 19)
9,400
05-11-2026 (Week 20)
1,700
05-18-2026 (Week 21)
2,800
05-25-2026 (Week 22)
2,100
06-01-2026 (Week 23)
2,000
06-08-2026 (Week 24)
2,900
06-15-2026 (Week 25)
3,000
06-22-2026 (Week 26)
2,200
06-29-2026 (Week 27)
300
07-06-2026 (Week 28)
300
07-13-2026 (Week 29)
300
07-20-2026 (Week 30)
300
07-27-2026 (Week 31)
300
08-03-2026 (Week 32)
300
08-10-2026 (Week 33)
300
08-17-2026 (Week 34)
300
08-24-2026 (Week 35)
300
08-31-2026 (Week 36)
300
09-07-2026 (Week 37)
300
09-14-2026 (Week 38)
300
09-21-2026 (Week 39)
300
09-28-2026 (Week 40)
300
10-05-2026 (Week 41)
300
10-12-2026 (Week 42)
300
10-19-2026 (Week 43)
300
Ombre Blue, also known as Million Bells or Trailing Petunia, is a flowering plant native to South America. Perennial in zone 10-11, Calibrachoa is typically grown as an annual that's particularly well-suited to hanging baskets and containers. Danziger developed the Ombre series for its unique mixed-color flowers and early blooming under ten-hour days. This cultivar has a semi-trailing habit of 12-14" tall and 12-16" wide with prolific trumpet-shaped blue to white flowers from spring through late fall. Bring whimsical color to a front porch or patio with Ombre in hanging baskets. This plant attracts hummingbirds and requires only regular water to flourish in full sun. Create attractive combinations by pairing Blue with Sunrise.
Ombre Blue Selling Tips
Sell Ombre Blue to customers looking for an annual flowering plant for a hanging basket, mixed container, or window box. Bees, hummingbirds, butterflies, and customers will enjoy bountiful unique blue to white blooms from spring until frost. With daily water, this semi-trailing cultivar flourishes in full sun. Densely blooming vibrant colors brighten porches and patios in baskets, mixed containers, or window boxes. Plant multiple color varieties together, or plant Ombre alongside Verbena, Angelonia, Coleus, Heuchera, and Lantana.
Coach Your Customer
1. Space plants 12-16" apart in well-drained soil in full sun.
2. Water daily to keep the soil moist and never allow the soil to dry out completely.
General Growing Tips For Your Rooted Cutting Liner
For best results with Ombre Blue, plant one rooted plug per 4-inch container or three per 10-inch basket. Use a well-drained soil with a pH of 5.6-6.0, EC of 1.0-1.2, light feed (100-150 ppm N), and temperatures of 65-68 daytime and 52-62 nighttime. The Colibri series will bloom under 10-hour days. You may see aphids and thrips, and this plant can be prone to botrytis and root rot. This plant doesn't requier pinching but benefits from a paclobutrazol drench when the plant is about 85% of its final size. Apply a fungicide at transplant.
Flowering
Blue to white flowers bloom from spring through fall.
Pinching
This plant doesn't require pinching.
Spacing
Space containers for adequate airflow and sunlight penetration around the base of each plant.
Height Control
Apply a drench of paclobutrazol at 1-2 ppm when the plant is about 2/3 its final size.
Pests
You may see aphids and thrips.
Disease
This plant can be prone to botrytis and root rot when the days are short or in wet, humid conditions. Calibrachoa needs adequate moisture to grow, but keep it on the dry side in the greenhouse to avoid root rot. Water at the base of each plant in the morning and again in the afternoon if needed. Do not water at night. Provide good airflow in your greenhouse and allow sunlight to penetrate to the soil level of each plant by giving enough space between containers. We recommend using horizontal airflow fans.
Planting Ombre Blue Liners
We recommend planting one rooted liner per 4-inch container or three per 10-inch basket. Use a well-drained soil and completely bury the ellepot centered or evenly spaced in the container.
Rooted Cuttings
Cuttings vary in size between different plant families. These rooted starter plants will arrive ready to be transplanted in to your final container. If they are to be used in a landscape application, you will need to establish them in a 4 inch pot or an 1801 before planting outside.
Calibrachoa Ombre Blue Quick Reference Guide
4 Inch crop time
7-8 Weeks
10 Inch crop time
8-10 Weeks
Bloom Period
Fall, Spring, Summer
Color
Blue, white
Habit
Compact, Trailing
Height
12-14 Inches
Light
Full Sun
Minimum Temp
52
Perennial Zone
10-11
Water Needs
Heavy
Patented Plant
Yes
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