Alphabetical Plant Listing

Lathyrus Latifolius (Perennial Sweet Pea)

Perennial Sweet Pea, Broad-Leaved Everlasting Pea, Everlasting Pea, Hardy Sweet Pea, Perennial Pea


Award-winner Lathyrus latifolius, commonly known as Everlasting Pea or Perennial Sweet Pea is a vigorous climbing perennial that produces racemes of 5-11 vibrant rose to white pea-like flowers, 1 in. across (2.5 cm). Blooming all summer, if not allowed to go to seed, the attractive blossoms are borne on winged stems clad with paired, blue-green leaflets bearing tendrils. They will ramble along the ground or climb up nearby vegetation or support structures. Unlike Lathyrus odoratus, the flowers of Everlasting Peas are not fragrant. Easy to grow, Lathyrus latifolius requires little care and enjoys some drought tolerance.
While native to the Mediterranean, Everlasting Peas have been grown in North America since 1700s where they have naturalized to such a point that they are now considered to be invasive in some areas.

  • Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society
  • Grows up to 6-9 ft. tall (180-270 cm) and 3-6 ft. wide (90-180 cm). This plant spreads by rhizomes and will easily self-seed.
  • Loves full sun or light shade in fertile, medium moisture, well-draining soils. Best performance occurs in cool soils with good air circulation. Provide even moisture and regular fertilizer throughout the growing season. Avoid overhead watering.
  • Idea to sprawl along the ground or twine onto support structures. Great for beds, borders, containers or as ground cover for banks and slopes.
  • Attractive to bees and butterflies, but ignored by deer.
  • Cut back to ground level in the fall.
  • Propagate by seed
  • No serious disease or pest issues,but may be attacked by slugs, snails, Pythium root rot, powdery mildew, rust, gray mold, and various leaf spots.
  • Everlasting Peas are NOT edible! Acute ingestion may cause mild stomach upset.

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Requirements

Hardiness 5 – 9
Heat Zones 5 – 9
Climate Zones 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Climbers, Perennials
Plant Family Lathyrus - Sweet Peas
Exposure Full Sun, Partial Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 6' – 9' (180cm – 270cm)
Spread 3' – 6' (90cm – 180cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Showy
Tolerance Deer, Drought
Attracts Butterflies
Garden Uses Arbors, Pergolas, Trellises, Banks and Slopes, Beds and Borders, Ground Covers, Wall-Side Borders, Walls and Fences
Garden Styles Informal and Cottage, Mediterranean Garden

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While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 5 – 9
Heat Zones 5 – 9
Climate Zones 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Climbers, Perennials
Plant Family Lathyrus - Sweet Peas
Exposure Full Sun, Partial Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 6' – 9' (180cm – 270cm)
Spread 3' – 6' (90cm – 180cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Showy
Tolerance Deer, Drought
Attracts Butterflies
Garden Uses Arbors, Pergolas, Trellises, Banks and Slopes, Beds and Borders, Ground Covers, Wall-Side Borders, Walls and Fences
Garden Styles Informal and Cottage, Mediterranean Garden

Great Plant Combination Ideas with Lathyrus - Sweet Peas

Guides with Lathyrus - Sweet Peas

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