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Lantana - Hot Crops for the Summer: Bandana, Bandito, and Landscape Bandana Lantana Production Tips (Tech Tip )
By Karl Trellinger; Technical Services Representative, Syngenta Flowers, Inc.

Going into the hot summer months will require a different culture regime for heat-loving annuals in order to keep them flowering and vigorous. Due to the amount of water needed to keep plants thriving, supplemental fertilizer will also be required. Plants need fertilizer not only to maintain tone but also to help them stay in color during periods of high heat stress.

Propagation

Rooting time: Lantanas should be stuck immediately upon arrival and should not be stored. If cuttings need to be stored, only store them over night and not below 48°F. Warm or lengthy storage results in significant leaf drop after sticking. They are slow rooters and need warm temperatures of about 74°F (24°C). The rooting time is about 5 weeks in 105-size flats.

Misting: It's important to keep the leaves hydrated immediately after sticking; however, over misting will lead to Botrytis. After sticking, spray CapSil® spray adjuvant at 4 oz/100 gal to get the cuttings hydrated quickly. On the day after sticking, spray with Daconil® fungicide to prevent Botrytis. If Botrytis is present, spray Daconil,Palladium® or Heritage® fungicides around day 9 after sticking.

Growth regulators: On Landscape Bandana® Lantana, sprays of Sumagic® plant growth regulator at 5 ppm or a tank mix of B-Nine® plant growth regulator at 2,500 ppm and Cycocel® plant growth regulator at 1,000 ppm are recommended once the cuttings are rooted. Bandana Pink and Bandana Red might also possibly need growth regulator sprays in propagation also.

Pinching During Propagation
There will be a relatively wide range of vigor between Bandito®, Bandana, and Landscape Bandana series in propagation. Generally, only Landscape Bandana Lantana and possibly Bandana Red and Bandana Pink will need to be pinched. Pinch around three weeks after sticking and after cuttings are well rooted, leaving two or more sets of nodes. Other varieties can be pinched if sufficient vegetative top growth is produced.

Finishing

Production Time (From Rooted Cutting)
For Bandana and Bandito varieties the scheduling is:

Container

Weeks

Plants per pot

4" 7 - 8

1

Quart 7 - 8

1

5" 8 - 9

1

6" 9 - 10

1

Gallon 11 - 12

2

10" basket 11 - 12

4

12" basket 11 - 12

5

For Landscape Bandana varieties, the recommended container size is a 12-inch or larger basket or patio pot with 4 to 5 plants per pot. The production time is 10 - 11 weeks. For large and showy baskets a second pinch is recommended which results in a production time of 12 - 13 weeks. The production time for a gallon container with two plants per pot is 10-11 weeks.

The production time for the Kwik Kombos™ vegetative mixes, Bandana Lemon Meringue and Bandana Lemon Squeeze, is 9 - 10 weeks for gallons, 10 inch (2 young plants per basket) and 12 inch (3 young plants per basket). For large and showy baskets a pinch 6 -7 weeks after planting is recommended, which results in a production time of 11 - 12 weeks.

Pinching During Finishing
Leave two or more sets of nodes when pinching. Landscape Bandana Lantana should get a second pinch (after the first one in propagation) around 5 weeks before sale when grown in baskets and larger containers.

Fertilizer Rate
Apply 200 to 250 ppm N using Cal-Mag™ fertilizers (i.e. 13-2-13, 15-5-15, 14-4-14, etc.) for more compact growth and neutral pH. Use higher ammonium and phosphorus containing fertilizers (i.e. 20-10-20, 15-15-15, etc.) for softer growth and to lower pH. Electrical conductivity (E.C.) should be between 2.0 and 2.5 mS/cm in a saturated media extract (SME), with a pH between 5.6 and 6.2. Keep nutrition at optimum levels to promote new growth and flowering. Lantanas will get pale, yellow foliage and will not bloom profusely if underfed.

Light
Lantanas should ideally receive more than 4,500 foot candles (>15 mols/day).

Temperature
Lantanas grow best at warm temperatures throughout production. Temperatures of 70° - 80°F (21° - 26°C) day and 65° - 70°F (18° - 21°C) night are ideal. Avoid cold and overly wet growing conditions, especially during dark and cloudy weather, which can cause fungal root rot, slow growth, and small flowers.

Plant Growth Regulators
Foliar sprays of Bonzi® plant growth regulator at 20-30 ppm (depending on vigor) or Sumagic at 10-20 ppm can be used to control growth. A Bonzi drench at 2 to 3 ppm (depending on vigor), three to four weeks before finishing, works well to keep plants compact, especially under hot conditions. Florel® plant growth regulator can be used early on Landscape Bandana Lantana, but it will delay flowering. Florel® is not recommended on Bandana and Bandito varieties.

Bandito Lantanas, with the exception of Bandito Red, will in general need no or little growth regulation.

Diseases
Lantanas are sensitive to fungal root rot, especially under cold and wet conditions. Avoid over-watering, especially at low temperatures. If needed, drench with a broad-spectrum fungicide (i.e.Subdue Maxx® plus Medallion® WDG fungicide combination) for protection.

Insects
Scout for whiteflies and thrips, aphids and leaf miners. Flagship® 25WG insecticide provides excellent control of all these pests and can be applied as a spray or as a drench, depending upon the length of control needed. A Flagship, Avid® 0.15 EC insecticide/miticide and Citation® insecticide rotation is the standard for leafminer control. Endeavor® insecticide is an excellent tool in aphid management.

©2014 Syngenta. Important: Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties. Please check with your state or local Extension Service to ensure registration status. Some or all of the varieties listed herein may be protected under one or more of the following: Plant Variety Protection, United States Plant Patents, Utility Patents and/or Plant Breeders' Rights and may not be propagated or reproduced without authorization. Syngenta is licensed to sell the liner contained in Kwik Kombos products under Dümmen's U.S. Patent No. 7,891,134. The trademarks displayed or otherwise used herein are trademarks of a Syngenta Group Company. Other third party trademarks are the property of their respective owners.

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