Gem Ruby, also known as Red Sage and Lantana Camara, is a tender perennial native to Central and South America. Danziger developed the Gem series for its superior branching and heat and drought tolerance. This cultivar offers a mounded habit of 10-14" tall and 12-14" wide, with red, orange, and pink flower clusters blooming from spring through summer. Grow Lantana as an annual in cold regions or as a perennial in zone 9-11, where it is root hardy. Vibrant flowers attract butterflies and hummingbirds to sunny landscape borders, hanging baskets, mixed containers, and xeriscapes. Lantana is heat tolerant, long-blooming, and beautiful in the garden. Plant Ruby alongside Gem Gold for a stunning show of color.
Gem Ruby Selling Tips
Sell Gem Ruby to customers looking for a vibrant flower to add to a hanging basket, mixed container, or landscape border. Customers, butterflies, and hummingbirds love Lantana's vibrant colors and long bloom season. This plant offers a mounding habit with elegant flower clusters that flourish in full sun with minimal water or care. Create a charming landscape rife with texture and color by growing Lantana alongside Angelonia, Pentas, and Salvia.
Coach Your Customer
1. Space plants 12-14" apart in well-drained soil in full sun.
2. Water once a week or more often in hot weather.
3. Lantana will survive winter as a tender perennial in zone 9-11. Grow it as an annual in cold-weather regions or any zone.
General Growing Tips For Your Rooted Cutting Liner
For best results with Gem Ruby, plant one rooted plug per 4- or 6-inch container. Use a well-drained soil with a pH of 5.8-6.2, EC of 1.0-1.2, temperatures of 73-75 daytime and 65-68 nighttime, and light feed (100-150 ppm N). Pinch once at transplant and use paclobutrazol to control growth if needed. Watch for thrips, aphids, whiteflies, leafminers, botrytis, and root rot.
Flowering
Red, orange, and pink flower clusters bloom from spring through summer.
Pinching
Pinch once at transplant.
Spacing
Space containers for adequate airflow and sunlight penetration around the base and foliage of each plant.
Height Control
Control growth with a paclobutrazol drench at 1-2 ppm if needed.
Pests
You may see aphids, whiteflies, thrips, and leafminers.
Disease
This plant isn't prone to disease but botrytis and root rot can develop in cool, wet, humid weather or overly wet conditions. Take preventative measures in your greenhouse and use a fungicide drench at transplant if desired.
1. Water at the base of each plant in the morning, allowing the soil to dry out between waterings.
2. Provide good airflow in your greenhouse. We recommend using horizontal airflow fans.
3. Space containers so each plant has airflow and sunlight penetration to the soil level.
Planting Gem Ruby Liners
We recommend planting one rooted liner per 4- or 6-inch container. Use a well-drained soil and completely bury the ellepot in the center of 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.
Lantana Gem Ruby Quick Reference Guide
4 Inch crop time
5-6 Weeks
Bloom Period
Spring, Summer
Color
Red, Orange, Pink
Habit
Mounding
Height
10-14 Inches
Light
Full Sun
Minimum Temp
65
Perennial Zone
9-11
Water Needs
Light
Patented Plant
Yes
Current
Availability
Current Availability
08-17-2026 (Week 34)
0
08-24-2026 (Week 35)
0
08-31-2026 (Week 36)
0
09-07-2026 (Week 37)
0
09-14-2026 (Week 38)
0
09-21-2026 (Week 39)
0
09-28-2026 (Week 40)
0
10-05-2026 (Week 41)
0
10-12-2026 (Week 42)
0
10-19-2026 (Week 43)
0
10-26-2026 (Week 44)
300
11-02-2026 (Week 45)
300
11-09-2026 (Week 46)
100
11-16-2026 (Week 47)
1,100
11-23-2026 (Week 48)
500
11-30-2026 (Week 49)
1,100
12-07-2026 (Week 50)
2,300
12-14-2026 (Week 51)
2,300
12-21-2026 (Week 52)
3,500
12-28-2026 (Week 53)
3,500
01-04-2027 (Week 01)
4,600
01-11-2027 (Week 02)
5,400
01-18-2027 (Week 03)
5,900
01-25-2027 (Week 04)
7,600
02-01-2027 (Week 05)
10,500
02-08-2027 (Week 06)
10,200
02-15-2027 (Week 07)
9,500
02-22-2027 (Week 08)
10,000
03-01-2027 (Week 09)
9,900
03-08-2027 (Week 10)
9,900
03-15-2027 (Week 11)
7,700
03-22-2027 (Week 12)
10,500
03-29-2027 (Week 13)
7,700
04-05-2027 (Week 14)
8,000
04-12-2027 (Week 15)
8,000
04-19-2027 (Week 16)
5,300
04-26-2027 (Week 17)
5,300
05-03-2027 (Week 18)
5,300
05-10-2027 (Week 19)
5,300
Gem Ruby, also known as Red Sage and Lantana Camara, is a tender perennial native to Central and South America. Danziger developed the Gem series for its superior branching and heat and drought tolerance. This cultivar offers a mounded habit of 10-14" tall and 12-14" wide, with red, orange, and pink flower clusters blooming from spring through summer. Grow Lantana as an annual in cold regions or as a perennial in zone 9-11, where it is root hardy. Vibrant flowers attract butterflies and hummingbirds to sunny landscape borders, hanging baskets, mixed containers, and xeriscapes. Lantana is heat tolerant, long-blooming, and beautiful in the garden. Plant Ruby alongside Gem Gold for a stunning show of color.
Gem Ruby Selling Tips
Sell Gem Ruby to customers looking for a vibrant flower to add to a hanging basket, mixed container, or landscape border. Customers, butterflies, and hummingbirds love Lantana's vibrant colors and long bloom season. This plant offers a mounding habit with elegant flower clusters that flourish in full sun with minimal water or care. Create a charming landscape rife with texture and color by growing Lantana alongside Angelonia, Pentas, and Salvia.
Coach Your Customer
1. Space plants 12-14" apart in well-drained soil in full sun.
2. Water once a week or more often in hot weather.
3. Lantana will survive winter as a tender perennial in zone 9-11. Grow it as an annual in cold-weather regions or any zone.
General Growing Tips For Your Rooted Cutting Liner
For best results with Gem Ruby, plant one rooted plug per 4- or 6-inch container. Use a well-drained soil with a pH of 5.8-6.2, EC of 1.0-1.2, temperatures of 73-75 daytime and 65-68 nighttime, and light feed (100-150 ppm N). Pinch once at transplant and use paclobutrazol to control growth if needed. Watch for thrips, aphids, whiteflies, leafminers, botrytis, and root rot.
Flowering
Red, orange, and pink flower clusters bloom from spring through summer.
Pinching
Pinch once at transplant.
Spacing
Space containers for adequate airflow and sunlight penetration around the base and foliage of each plant.
Height Control
Control growth with a paclobutrazol drench at 1-2 ppm if needed.
Pests
You may see aphids, whiteflies, thrips, and leafminers.
Disease
This plant isn't prone to disease but botrytis and root rot can develop in cool, wet, humid weather or overly wet conditions. Take preventative measures in your greenhouse and use a fungicide drench at transplant if desired.
1. Water at the base of each plant in the morning, allowing the soil to dry out between waterings.
2. Provide good airflow in your greenhouse. We recommend using horizontal airflow fans.
3. Space containers so each plant has airflow and sunlight penetration to the soil level.
Planting Gem Ruby Liners
We recommend planting one rooted liner per 4- or 6-inch container. Use a well-drained soil and completely bury the ellepot in the center of 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.
Lantana Gem Ruby Quick Reference Guide
4 Inch crop time
5-6 Weeks
Bloom Period
Spring, Summer
Color
Red, Orange, Pink
Habit
Mounding
Height
10-14 Inches
Light
Full Sun
Minimum Temp
65
Perennial Zone
9-11
Water Needs
Light
Patented Plant
Yes
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