About
Agastache 'Summer Glow' is a perennial that forms dense clumps, reaching heights of up to 75 centimeters. It features fragrant, oval-shaped leaves in a rich dark green hue. From summer through autumn, it produces spikes of pale yellow-orange blossoms complemented by dark reddish-brown calyces.
About the genus
Agastache consists of herbaceous perennials featuring straightforward, fragrant foliage and small tubular flowers with two lips, arranged in whorls that create compact spikes during the summer and autumn months. While some species may be somewhat tender, they can also be cultivated as annual bedding plants.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden, City and courtyard gardens, Gravel garden, Patio and container plants
- Fragrance
- Foliage
Care notes
- Cultivation
- Grows best in well-drained, fertile soils in full sun
- Pruning
- Remove spent flowering spikes through the season to prolong flowering
- Propagation
- Propagate by division or by semi-ripe cuttings
- Pest resistance
- Generally pest-free
- Disease resistance
- May be susceptible to powdery mildews