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Annual Biennial

Schizanthus pinnatus

Upright annual to 50cm tall, with fern-like light-green leaves to 12cm long and tubular flowers of white, yelllow, pink, purple or red to 8cm across with violet markings, streaked and spotted in contrasting colours, and produced from spring to autumn

Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1 year
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained, Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring White Yellow Pink Purple Green
Summer White Yellow Pink Purple Green
Autumn White Yellow Pink Purple Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing or East–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Solanaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus

Schizanthus are showly annuals with pinnately dissected leaves and terminal clusters of orchid-like, 2-lipped flowers in a wide range of colours and often with a contrasting eye, from spring to autumn

Name status

Unresolved

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How to grow

Cultivation

Under glass, grow in peat-free, loam-based potting compost in full light with shade from hot sun, water moderately and apply a high-potassium liquid fertiliser every 2 weeks. Outdoors during summer, grow in fertile moist but well-drained soil in full sun

Propagation

Propagate from seed in mid-spring for summer to autumn flowering plants or propagate in late summer for winter-flowering container plants under glass

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Bedding
  • Cut flowers
  • Flower borders and beds
  • Conservatory and greenhouse
Pruning

Pinch out young tips to promote bushy growth and cut back after flowering; flowering stems may need supporting

Pests

May be susceptible to aphids under glass

Diseases

Generally disease-free

Get involved

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