African Marigold, American Marigold (Tagetes erecta)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Annual

African Marigold, American Marigold
Tagetes erecta

Tall Marigold <em>Tegetes erectus</em>
Tall Marigold Tegetes erectus
 
Features
All around dependable annual offering mid to tall plants with a bushy habit. Good for garden beds and containers. Flowers in shades of yellow, orange and white. Good cut flower. 
 
Culture
Full sun moist well drained soil 
 
Cultivars

Numerous available. Some include:

'Atlantis' 12-18 inches tall, fluffy yellow flowers

'Inca Orange' 12-18 inches tall, orange flowers, compact bush

'Double Eagle' 24-36 inches tall, deep orange flowers

'Doubloon' 24-36 inches tall, yellow flowers

'Discovery Series' 12-18 inches tall, orange and yellow flowers

'Moonstruck Orange' 14-18 inches tall, orange flowers

 
 
Mature Height
1-3 Feet
 
Size
Medium
Tall
 
 
Annual Hardiness Type
Tender Annual
 
 
Bloom Color
Orange
White
Yellow
 
 
Bloom Season
May - October
 
Soil Conditions
Moist, Well-Drained
 
 
Exposure/Light Requirements
Full Sun
 
 
Pests and Problems

Environmental Damage

Fungal Disease

Insect Damage

Insect Relative Damage

Phytoplasma Disease


Additional pests and problems that may affect this plant:

mites, japanese beetles, leaf hoppers, botrytis, phythium root rot, aster yellows
 
Additional Notes
Taller cultivars tend to need some support while shorter "hedge types" are better at standing up well over the summer. Deadheading improves re-blooming. Attracts butterflies.

 

 
Related Resources
Home, Yard & Garden Pest Guide
Illinois Commercial Landscape and Turfgrass Pest Management Handbook
U of IL - Distance Diagnosis through Digital Imaging
U of IL - Plant Clinic