About

Acmella oleracea is a tender evergreen perennial typically cultivated as an annual. It serves both culinary and medicinal purposes. The foliage is a deep, bronzy green, while the flowers, which appear from mid-summer to early autumn, are yellow and lack petals, featuring a red center.

About the genus

Acmella comprises both annual and perennial herbaceous plants, originating from the Americas. These species can have stems that branch out either horizontally or grow upright. The flowers typically appear solitary and are primarily yellow or orange, though they can also be found in white or purple varieties.

Growing conditions

Sunlight
Full sun, Partial shade
Soil type
Loam
Soil pH
Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Sheltered
UK hardiness
H2

Plant details

Plant type
Herbaceous Perennial, Annual Biennial
Habit
Bushy
Foliage
Evergreen
Height
0.1-0.5 metres
Spread
0.1-0.5 metres
Time to full height
1-2 years
Suggested uses
Cottage and informal garden, Patio and container plants

Care notes

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
Pruning
No pruning required
Propagation
Propagate by seed, or by softwood cuttings in summer
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free