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Herbaceous PerennialHouseplantsSynonym

Plectranthus thyrsoideus

flowering bush coleus

P. thyrsoideus is a bushy evergreen perennial with heart-shaped, round-toothed leaves to 10cm long, and spikes of bright blue flowers 1cm long, mostly in winter

Synonyms
Plectranthus thyrsoideus
Solenostemon thyrsoideus
Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green
Autumn Green
Winter Blue Green
Position
  • Partial shade
Aspect

South–facing

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

A genus of annual or perennial herbs or shrubs, some of which can be succulent or tuberous in nature, and one of the easiest plants to propagate. Their velvety leaves add vibrant shades of red, pink, green and purple to beds and borders, pots and containers

Name status

Correct

Plant range
Tropical E Africa

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How to grow

Cultivation

Grow under glass in areas prone to frost; may be grown outside in the summer. Use a John Innes No 2 compost and position in dappled shade. Apply a balanced liquid fertiliser once a month and water freely. In winter much less water is required

Propagation

Propagate by seed in temperatures of 19-24°C (66-75°F) when they are ripe. Can also be propagated by softwood cuttings any time of year

Suggested planting locations and garden types
  • Patio and container plants
Pruning

Pinch out tips of young plants to encourage bushy growth

Pests

Generally trouble free

Diseases

Generally trouble free

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