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Herbaceous PerennialAnnual Biennial

Acmella oleracea

Pará cress

A tender, evergreen perennial usually grown as an annual, with culinary and medicinal uses. The leaves are dark bronzy green and the petal-less, pompom flowers, produced from mid-summer to early autumn, are yellow with a red centre

Other common names
agrião do para
Brazil cress
see morebrede mafane
eye ball plant
novacaine plant
phak khraat hua van
salad cress
spot plant
toothache plant
para cress
Synonyms
Spilanthes 'Peek-a-boo'
Spilanthes acmella 'Brede Mafane'
see moreAcmella oleracea 'Brede Mafane'
Acmella oleracea 'Peek-a-boo'
Spilanthes acmella misapplied
Spilanthes oleracea

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Moisture
Moist but well–drained
pH
Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Red Yellow Green
Autumn Red Yellow Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H2
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Genus

Acmella can be either annual or perennial herbs and are native to the Americas. Their branching stems can grow either horizontally or vertically. Flowers are solitary, and most commonly yellow or orange in colour but occasionally white or purple.

Name status

Correct

How to grow

Cultivation

Sow seed in pots in frost-free conditions - do not cover as the seeds need light to germinate. Plant young plants out when all risk of frost has passed, and remove plants at the end of the season. Does best in a sunny position, in moist, fertile, well-drained, neutral soil

Propagation

Propagate by seed, or by softwood cuttings in summer

Suggested planting locations and garden types
  • Cottage and informal garden
  • Patio and container plants
  • Flower borders and beds
Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free

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