Sweet pea monty don


Lathyrus odoratus &s;Monty Don&s; | sweet pea &s;Monty Don&s; Climber Wall Shrub/RHS Gardening

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Climber Wall ShrubAnnual Biennial

sweet pea 'Monty Don'

'Monty Don' is a twining, annual climber to 2m tall with fragrant dark maroon flowers from summer into autumn

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Ultimate height
1.5–2.5 metres

Time to ultimate height
1–2 years

Ultimate spread
0. 1–0.5 metres

Moisture
Moist but well–drained

pH
Acid, Alkaline, Neutral

StemFlowerFoliageFruit
Spring Green Green
Summer Green Red Green
Autumn Green Red Green
Winter

  • Full sun

Aspect

South–facing or West–facing or East–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

  • h2a: under glass all year (>15C)
  • h2b: can be grown outside in the summer (10 - 15)
  • h2c: can be grown outside in the summer (5 - 10)
  • h3: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • h4: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • h5: 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

Botanical details

Family
Fabaceae
Native to the UK
No
Foliage
Deciduous
Habit
Climbing
Genus

Lathyrus can be annuals or herbaceous or evergreen perennials, mostly climbing, with pinnate leaves ending in a tendril, and showy pea-like flowers, fragrant in some species

Name status

Unresolved

How to grow

Cultivation

Plant out seedlings 20-30cm apart after the final spring frost in well-drained but moisture-retentive humus-rich soil in full sun or very light dappled shade, and provide support. See sweetpea cultivation

Propagation

Propagate by seed: in milder areas sow during autumn, and overwinter the young plants in a cold frame or unheated glasshouse, or in colder areas sow in late March or April; plant out after the final spring frost

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Cut flowers
  • Hedging and screens
  • Wall side borders
  • Flower borders and beds
Pruning

For a long and regular supply of blooms, cut flowers frequently, before they produce seed pods

Pests

May be affected by aphids, slugs and snails

Diseases

May be affected by powdery mildews, Fusarium wilt and sweet pea viruses

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