Beebalm (Monarda didyma)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Perennial

Beebalm
Monarda didyma

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Features
A late and long flowering perennial that forms large clumps of color. Good for cutting and aromatic foliage.  
 
Culture
Moist well-drained soil in sun to partial sun location.  
 
Cultivars

'Colrain Red' 3-4 feet tall, red flowers, mildew resistant

'Jacob Cline' 3-4 feet tall, red flowers, mildew resistant

'Mahogany' 2-4 feet tall, red flowers

'Marshall's Delight' 3 feet tall, pink flowers

'Petite Delight' 10-14 inches tall, lavender flowers

'Prarie Night' 3-4 feet tall, purple flowers

'Violet Queen' 2-3 feet tall, purple flowers, mildew resistant

'Gardenview Scarlet' 2-3 feet tall, red flowers, mildew resistant

 
 
Mature Height
2-4 Feet
 
Size
Medium
 
 
USDA Hardiness Zone
4 - 9 
 
Bloom Color
Lavender
Pink
Purple
Red
 
 
Bloom Season
June - August
 
Soil Conditions
Moist, Well-Drained
 
 
Exposure/Light Requirements
Full Sun
Partial Sun/Shade
 
 
Foliage Color
Green
 
 
Pests and Problems

Environmental Damage

Fungal Disease


Additional pests and problems that may affect this plant:

Powdery mildew, cercospora leaf spot
 
Additional Notes
Wide spreading plants due to rhizomes. Provide good air circulation to prevent mildew. Avoid dry soils to insure quality foliage but at the same time dry soils help to keep the plant somewhat in check and from spreading too much. Divide every 3-4 years to maintain vigor. Deadhead to prolong bloom.

 

 
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