Lagerstroemia indica 'Houston'

RHS Plant Profile

crape myrtle 'Houston'

RHS

Shrubs

A small, low-spreading bushy shrub with dark green foliage. Watermelon-red to dark pink flowers with crinkled petals are produced in large, terminal clusters in summer. A good variety for patio pots and containers or hanging baskets

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity: 10–20 years
Max Spread: 0.5-1 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: 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: Lythraceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy, Spreading branched
Genus: Lagerstroemia can be deciduous or evergreen trees or shrubs, with simple leaves and conical panicles of flowers with ruffled petals; some have attractive peeling bark
Name Status: Accepted

How to Grow

Cultivation

Grow in moderately fertile, acid to neutral, well-drained soil in full sun. Hot summers are needed for best flowering

Propagation

Propagate by softwood cuttings in late spring, or semi-ripe cuttings in summer

Suggested planting locations and garden types

City and courtyard gardens
Hanging Basket
Mediterranean climate plants
Patio and container plants
Conservatory and greenhouse
Flower borders and beds
Wall side borders

Pruning

Pruning group 1, but will tolerate hard pruning if needed

Pests

May be susceptible to glasshouse red spider mite and glasshouse whitefly if grown indoors

Diseases

May be susceptible to honey fungus (rarely)