Agastache 'Morello'
giant hyssop 'Morello'
A compact, clump-forming herbaceous perennial with an upright habit and aromatic, dark green, oval to lance-shaped leaves. Long, whorled spikes of tubular two-lipped deep magenta flowers, which are very attractive to pollinators, appear all through summer until the autumn
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Pink | Green | ||
| Autumn | Pink | Green | ||
| Winter |
Position
- Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or ShelteredDrought resistance
Yes Hardiness
H5Botanical details
- Family
- Lamiaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Agastache are herbaceous perennials with simple, aromatic leaves and small 2-lipped tubular flowers in whorls forming dense spikes, in summer and autumn; some are rather tender but can be grown as annual bedding
- Name status
Accepted
How to grow
Cultivation
Will grow well in well-drained soil preferably in full sun. Although a drought tolerant plant, it might need watering in extreme dry weather spells
Propagation
Propagate by seed or by division in spring
Suggested planting locations and garden types
- Wildlife gardens
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Low Maintenance
- Flower borders and beds
Pruning
Deadhead throughout the season to encourage more flowers
Pests
Generally pest-free
Diseases
May be susceptible to powdery mildews
Get involved
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