× Chitalpa tashkentensis Summer Bells ('Minsum')

RHS Plant Profile

chitalpa [Summer Bells]

RHS

Synonyms

× Chitalpa tashkentensis 'Minsum'

Trees

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A small, deciduous tree with long, narrow green leaves turing a warm yellow in autumn. In June/July scented, frilly edged, pink trumpet flowers with streaked purple lines in the yellow throat are produced in upright panicles.

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

2.5-4 metres

Size

Time to Maturity: 10–20 years
Max Spread: 2.5-4 metres
Max Height: 4-8 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: East–facing or North–facing or South–facing or West–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): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Bignoniaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Spreading branched
Genus: A genus of hybrid, deciduous flowering trees with long, tapered dark green foliage and large, frilly pink or white flowers with striped throats, appearing in the summer and autumn
Name Status: Trade

How to Grow

Cultivation

Grow in any moderately fertile, well-drained soil

Propagation

Propagate by soft wood cuttings

Suggested planting locations and garden types

City and courtyard gardens
Low Maintenance

Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

Generally disease-free