Taraxacum officinale agg.
dandelion
A genus of around 250 microspecies of tap-rooted herbaceous perennials, more commonly known as dandelions. These form rosettes of long, toothed green leaves and a milky sap-producing hollow stem. Florets of bright yellow flowers appear from April to June, followed by seed heads (or 'clocks') that are easily dispersed on the breeze. Provides a good nectar source for flying insects and a larval food source fo moths
Other common names
blowballcankerwort
see morefairy clock
heart-fever grass
Irish daisy
lion's teeth
milk gowan
pee in the bed
pissabed
priest's crown
swine's snout
cankerweed
horse gowan
yellow gowan
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1 yearUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Yellow | Green | ||
|---|---|---|---|---|
| Summer | Yellow | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Asteraceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Tufted
- Genus
Taraxacum are a large genus of herbaceous perennial plants native to temperate areas of the Northern Hemisphere. Leaves are around 5 to 25cm long and the yellow to orange flower heads open during the day and close at night.
- Name status
Correct
How to grow
Cultivation
Happy in a wide range of conditions. Prefers a rich soil. Naturally found in grassy places and waste ground. For more information see dandelion, and our video Why dandelions matter
Propagation
Propagate by seed. Seeds freely
Suggested planting locations and garden types
- Wildlife gardens
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.