Sinningia tubiflora

RHS Plant Profile

trumpet-flowered sinningia

Synonyms

Achimenes tubiflora

Conservatory Greenhouse Herbaceous Perennial

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A tuberous, mound-forming perennial growing to 60cm tall. The foliage forms a spreading mound of silver-green, hairy leaves reaching a height of 30cm. In summer, un-branched, red flower stems to 60cm tall are topped by fragrant flowers up to 7cm long. The white flowers are flushed pink at the base

Position

Full sun, Partial shade

Soil Types

Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Loam Sand

Moisture: Well–drained
pH: Acid or Neutral

Position

Full sun Partial shade

Aspect: West–facing or East–facing or South–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H3

Colour & Scent

Fragrance Flower

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Gesneriaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Sinningia can be deciduous, tuberous perennials or small, deciduous or evergreen shrubs, with simple, fleshy leaves and large, bell-shaped, to tubular flowers in summer
Name Status: Correct
Plant Range: Argentina, Paraguay, Uruguay

How to Grow

Cultivation

Grow in a well-drained soil or compost. Requires a cool, dry, winter dormancy period followed by exposure to bright light to promote flowering. Water well and feed regularly during the growing season. Tubers require protection from frost

Propagation

Propagate by seed or division of tubers

Suggested planting locations and garden types

Patio and container plants
Rock garden

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free