Galeopsis speciosa
large-flowered hemp nettle
A scattered annual wildflower found in much of the country but with a stronghold in Scotland. Reaching up to a metre tall, the square stems support toothed, oval leaves and are topped in mid-summer to autumn with whorls of pale yellow, hooded flowers with a purple lip, providing nectar and pollen for insects
Size
Ultimate height
0.5–1 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Pink White | Green | ||
| Autumn | Pink White | Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Lamiaceae
- Native to GB / Ireland
- Yes
- Foliage
- Deciduous
- Habit
- Bushy
- Name status
Correct
How to grow
Cultivation
Occurs naturally in cultivated fields, waste ground and other disturbed areas. Tolerates a range of conditions provided the soil is reasonably moist
Propagation
Propagate by seed
Suggested planting locations and garden types
- Wildlife gardens
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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