Lysimachia punctata 'Alexander' (v)

RHS Plant Profile

loosestrife 'Alexander'

Synonyms

Lysimachia punctata 'Variegata'

Herbaceous Perennial

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A vigorous perennial forming a substantial clump of erect stems with lance-shaped leaves boldly margined with cream and often tinged pink, and bowl-shaped bright yellow flowers 2.5cm wide in the upper leaf axils in mid summer

Position

Full sun, Partial shade

Soil Types

Clay, Loam

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

Clay Loam

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

Position

Full sun Partial shade

Aspect: South–facing or North–facing or West–facing or East–facing
Exposure: Exposed or 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): H6

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Primulaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Genus: Lysimachia are herbaceous or evergreen perennials with simple leaves and star-shaped, cupped or bowl-shaped flowers in terminal racemes or panicles, or solitary in leaf axils
Name Status: Accepted

How to Grow

Cultivation

Best grown in moisture retentive well-drained soil that does not dry out in summer, in full sun or part shade. Excessive vigour in moist soils can make it a determined spreader, so has the potential to become a nuisance if not managed well

Propagation

Propagate by division of vigorous clumps in spring or autumn

Suggested planting locations and garden types

City and courtyard gardens
Coastal
Cottage and informal garden
Flower borders and beds

Pruning

Remove faded flower stems to tidy

Pests

May be damaged by slugs and snails

Diseases

Generally disease-free