Petunias are a classic hanging basket flower originally from South America. No spring program is complete without the vibrant colors petunias bring to your garden center display. With bigger flowers than calibrachoa, these plants can put on a show for your front display to attract customers inside. They work well in hanging baskets or as a flowering cascader in combination baskets.
General Growing Tips For Your Rooted Cutting Liner
For best results with Petunias, we recommend using a constant feed program of 250-300 ppm N with an E.C. between 1.5 - 1.8. Remember to leach periodically in order to prevent salt build up. Maintain a pH between 5.8 - 6.2.
Flowering
Petunias require high light intensity (full sun) for peak finishing. If you grow them in the shade, you will get stretching and lower bloom performance. For the long nights of the winter months, supplemental light is recommended.
Pinching
Pinchingis recommended 5-10 days after transplantation. A second pinch may be necessary depending on the size and shape of the final pot.
Spacing
Space pots adequately to allow for light penetration and airflow between foliage of adjacent pots. We recommend eight inches for 4” pots and twenty-four inches for 10” pots.
Height Control
Pinching and high light intensity are the best ways to control height. An initial pinch is recommended, but additional pinching may be necessary to shape your final product. Bonzi has been shown effective in 4” pot production.
Pests
Whiteflies, aphids, leafminers, and thrips are the biggest pest problems with Petunias.
Disease
Ray Black are not prone to many diseases, but watch for botrytis while the days are short. This grey rot is usually associated with wet or humid conditions. You can prevent botrytis by allowing the plant to dry out between waterings, allowing for good airflow in your greenhouse, and spacing to allow the sun to penetrate to the soil level. The most common chemicals used to treat botrytis are Medallion and Banrot. Use them as a drench according to each label’s instructions.
Planting Ray Black Liners
We recommend planting 4-5 starter plants per 10 inch basket. Use a well-drained soil in your baskets and plant your starter plants deep, allowing the ellepot to be completely covered by the soil. If you are planting 4” pots, 1 plant per pot should be sufficient if you have enough time. Plant it directly in the middle of your pot.
Pinchingis recommended 5-10 days after transplantation. A second pinch may be necessary depending on the size and shape of the final pot.
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.
Petunia Ray Black Quick Reference Guide
4 Inch crop time
6-8 Weeks
10 Inch crop time
10-12 Weeks
Bloom Period
Fall, Spring, Summer
Color
Black
Habit
Trailing
Height
12 inches
Light
Full Sun
Minimum Temp
55
Perennial Zone
Zones 9-11
Water Needs
Moderate
Patented Plant
yes
Current Availability
Current Availability
05-29-2023 (Week 22)
0
06-05-2023 (Week 23)
0
06-12-2023 (Week 24)
0
06-19-2023 (Week 25)
0
06-26-2023 (Week 26)
2,100
07-03-2023 (Week 27)
2,400
07-10-2023 (Week 28)
2,700
07-17-2023 (Week 29)
3,100
07-24-2023 (Week 30)
2,000
07-31-2023 (Week 31)
4,400
08-07-2023 (Week 32)
1,600
08-14-2023 (Week 33)
2,100
08-21-2023 (Week 34)
2,100
08-28-2023 (Week 35)
1,300
09-04-2023 (Week 36)
2,100
09-11-2023 (Week 37)
1,500
09-18-2023 (Week 38)
2,100
09-25-2023 (Week 39)
2,100
10-02-2023 (Week 40)
2,100
10-09-2023 (Week 41)
2,100
10-16-2023 (Week 42)
2,100
10-23-2023 (Week 43)
2,100
10-30-2023 (Week 44)
1,800
11-06-2023 (Week 45)
1,800
11-13-2023 (Week 46)
0
11-20-2023 (Week 47)
2,100
11-27-2023 (Week 48)
4,400
12-04-2023 (Week 49)
9,600
12-11-2023 (Week 50)
14,900
12-18-2023 (Week 51)
21,600
12-25-2023 (Week 52)
31,300
01-01-2024 (Week 01)
41,100
01-08-2024 (Week 02)
50,800
01-15-2024 (Week 03)
56,800
01-22-2024 (Week 04)
76,900
01-29-2024 (Week 05)
76,900
02-05-2024 (Week 06)
76,900
02-12-2024 (Week 07)
0
02-19-2024 (Week 08)
0
Petunias are a classic hanging basket flower originally from South America. No spring program is complete without the vibrant colors petunias bring to your garden center display. With bigger flowers than calibrachoa, these plants can put on a show for your front display to attract customers inside. They work well in hanging baskets or as a flowering cascader in combination baskets.
General Growing Tips For Your Rooted Cutting Liner
For best results with Petunias, we recommend using a constant feed program of 250-300 ppm N with an E.C. between 1.5 - 1.8. Remember to leach periodically in order to prevent salt build up. Maintain a pH between 5.8 - 6.2.
Flowering
Petunias require high light intensity (full sun) for peak finishing. If you grow them in the shade, you will get stretching and lower bloom performance. For the long nights of the winter months, supplemental light is recommended.
Pinching
Pinchingis recommended 5-10 days after transplantation. A second pinch may be necessary depending on the size and shape of the final pot.
Spacing
Space pots adequately to allow for light penetration and airflow between foliage of adjacent pots. We recommend eight inches for 4” pots and twenty-four inches for 10” pots.
Height Control
Pinching and high light intensity are the best ways to control height. An initial pinch is recommended, but additional pinching may be necessary to shape your final product. Bonzi has been shown effective in 4” pot production.
Pests
Whiteflies, aphids, leafminers, and thrips are the biggest pest problems with Petunias.
Disease
Ray Black are not prone to many diseases, but watch for botrytis while the days are short. This grey rot is usually associated with wet or humid conditions. You can prevent botrytis by allowing the plant to dry out between waterings, allowing for good airflow in your greenhouse, and spacing to allow the sun to penetrate to the soil level. The most common chemicals used to treat botrytis are Medallion and Banrot. Use them as a drench according to each label’s instructions.
Planting Ray Black Liners
We recommend planting 4-5 starter plants per 10 inch basket. Use a well-drained soil in your baskets and plant your starter plants deep, allowing the ellepot to be completely covered by the soil. If you are planting 4” pots, 1 plant per pot should be sufficient if you have enough time. Plant it directly in the middle of your pot.
Pinchingis recommended 5-10 days after transplantation. A second pinch may be necessary depending on the size and shape of the final pot.
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.
Petunia Ray Black Quick Reference Guide
4 Inch crop time
6-8 Weeks
10 Inch crop time
10-12 Weeks
Bloom Period
Fall, Spring, Summer
Color
Black
Habit
Trailing
Height
12 inches
Light
Full Sun
Minimum Temp
55
Perennial Zone
Zones 9-11
Water Needs
Moderate
Patented Plant
yes
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