Norfolk Everlasting-Pea: complete guide

Overview

The Norfolk Everlasting-Pea, scientifically known as Lathyrus heterophyllus, is an elegant climbing plant native to central and southern Europe. This plant is recognized for its distinctive foliage with leaves of varying shapes on the same plant, giving it botanical interest and visual appeal. It is a preferred choice for garden designers seeking to add a sophisticated climbing element with a long flowering period that attracts butterflies and other pollinators.

Appearance and bloom

The plant reaches heights of 2 to 3 meters, growing as a delicate climber with slender, twisted stems. The leaves vary from simple to compound forms, creating interesting textural contrast. Between July and September, the plant produces numerous lavender-to-purple flowers in clusters. These fragrant blooms attract bees, butterflies, and hummingbirds. Following flowering, elongated seed pods develop and remain ornamental throughout autumn months.

Ideal location

The Norfolk Everlasting-Pea thrives in full sun to partial shade. Provide at least 6 hours of direct sunlight daily for optimal flowering. Plant this climber against sturdy supports like trellises, pergolas, or wire frames. The plant also performs well on south or west-facing walls where it receives afternoon sun protection in extremely hot climates.

Soil

This plant prefers well-draining soil with a pH between 6.0 and 7.5. Incorporate organic matter such as compost or aged manure when planting. The plant tolerates various soil types but performs best in lightly fertile soil. Heavy clay soils can be improved by adding sand or perlite for better drainage.

Watering

Water regularly, particularly during growth and flowering periods. The soil should be moist but not waterlogged. Additional watering may be necessary during dry summer periods. Mulch around the plant to improve moisture retention and suppress weeds. During winter dormancy, reduce watering significantly.

Pruning

Pruning is usually minimal for this plant. In early spring, remove damaged, diseased, or dead branches. The plant can be lightly cut back to promote fuller, more compact growth. After flowering in October, withered parts can be carefully removed. Avoid aggressive pruning as it may hinder next year's blooming.

Maintenance calendar

March: Inspect for frost damage and remove dead material. April-May: Apply monthly fertilizer rich in phosphorus to stimulate flower formation. June-September: Ensure regular watering and check for pests. October: Spent flowers can be removed. November-February: Minimal maintenance, watering only during extreme dry periods.

Winter hardiness

The Norfolk Everlasting-Pea is winter hardy in zones 6-9 and tolerates temperatures down to -15C. In colder regions, protect the plant with mulch around the base in autumn. In severe winters, above-ground parts may die back, but the plant typically regenerates from the roots in spring. In milder climates, the plant often remains green through winter.

Companion plants

The Norfolk Everlasting-Pea combines well with other climbers such as clematis and jasmine. Low-growing perennials like lavender or rosemary work nicely at the base. It pairs effectively with white or pink-flowering shrubs for contrast. In garden settings, this plant works beautifully alongside multi-colored blooms for maximum visual impact.

Closing remarks

The Norfolk Everlasting-Pea is a versatile and reliable climbing plant that can provide years of enjoyment. With minimal maintenance and regular care, this plant thrives and produces abundant flowers. Whether you have a cottage-style garden or prefer a more modern space, this plant adapts well to various garden styles. Find it readily available at major garden retailers. Visit gardenworld.app/nl and gardenworld.app/en for more garden inspiration.