Agastache – ‘Blue Boa’ – Hummingbird mint

Garden Height
30 - 36
20 - 24
20 - 24
Container Role
Flower Size
Flower Colors
Blue, Purple
Light Level
Proven Selections

Attracts: Bees, Butterflies, Hummingbirds

Resists: Deer

Drought Tolerant

Fragrant Flower

Fragrant Foliage

Heat Tolerant

Native to North America

Maintenance Notes
Plant in full sun with slightly alkaline soil. The key is GOOD DRAINAGE--this will not tolerate wet, especially in winter. To provide more drainage, put gravel at the bottom of the hole before planting.

Needs Good Drainage

Maintenance Category Easy

Water Category Average

Bloom Time

Flower Form Border Plant, Cut Flower, Dried Flower, Mass Planting, Specimen or Focal Point

Soil Fertility Average Soil, Fertile Soil

pH C - pH 6.0 - 6.5

EC (2:1 Extraction Method) 0.6 - 0.9

Fertilization 100 - 150

Light Requirements High

Water Requirements Dry to Moderate, Moderate to Moist

Rooting Out Temperature 65 - 72° Fahrenheit

Growing On Temperature 55 - 65° Fahrenheit

Holding Temperature 50 - 60° Fahrenheit

Planting and Timing Information

Early Spring through Fall Finish. Standard PPP.

Finishing Times [weeks]
4-5" and Quart Pot : 6-8
6" and Gallon Pot : 8-10
7-9" Pot : 8-10
10-12" and Two Gallon Pot : 10-12

Pinching and Growth Regulators

Pinch at liner planting and as needed to shape.

Pest and Disease Management

General pest and disease practices as listed in notes.

Grower Tips

-Color Spires are very free blooming and rebloom quickly after trimming.

Good air circulation and proper water management is critical. Use a well drained planting mix and allow soil to dry between waterings.

  • Proven Winners
  • Proven Winners