Lathyrus aureus, the Perennial Golden Pea, is a perennial pea that flowers in the UK from June to August. It favours full sun or partial shade and performs best in well‑drained, loamy soil of neutral to alkaline pH with moderate moisture. Classified H5 (hardy), it will tolerate normal UK winter conditions. Pods and seeds are not edible; wear gloves and other protective equipment when handling.

Perennial Golden Pea (Lathyrus aureus) flowers June to August and prefers full sun or partial shade in well-drained, loamy neutral to alkaline soil.

https://en.wikipedia.org/wiki/Lathyrus_aureus

Lathyrus is a genus of flowering plants in the legume family Fabaceae, and contains approximately 160 species. Commonly known as peavines or vetchlings, they are native to temperate areas, with a breakdown of 52 species in Europe, 30 species in North America, 78 in Asia, 24 in tropical East Africa, and 24 in temperate South America.

Lathyrus aureus

Perennial golden pea | Lathyrus aureus

Lathyrus grandiflorus is a herbaceous perennial that reaches about 2 metres and flowers from June to August. Native to southern Europe, it favours a position in full sun or partial shade and prefers soils that are well drained but remain moist. It is rated H4 (average hardy) and will tolerate normal UK winter conditions. Pods and seeds are not edible; wear gloves and other protective equipment when handling and consult the HTA guide for pet-safety contacts.

Two-Flowered Everlasting Pea (Lathyrus grandiflorus) flowers June to August and reaches 2 metres; plant in sun or partial shade in moist, well-drained.

https://en.wikipedia.org/wiki/Lathyrus_grandiflorus

Lathyrus grandiflorus

Two-flowered everlasting pea | Lathyrus grandiflorus

Lathyrus latifolius is a perennial herbaceous climber that typically reaches about 2.0 m and flowers from June to August. It favours full sun and tolerates sandy, loamy or clay soils provided they are well drained or at least moist but not waterlogged. Plant it against trellises or fences or let it scramble through back borders; pods and seeds are not edible so wear gloves when handling. Suitable for UK gardens where a tall summer-flowering climber is needed.

Broad-leaved everlasting pea Lathyrus latifolius flowers June to August and reaches about 2.0 m, ideal for trellises, fences and the back of borders.

https://en.wikipedia.org/wiki/Lathyrus_latifolius

Lathyrus latifolius

Broad-leaved everlasting pea | Lathyrus latifolius

Lathyrus latifolius 'Rose Queen' is a perennial pea valued for its summer flowering and light scent. It produces purplish-pink blooms from June to August and can be trained to about 2.0 m on supports. Grow it in full sun in sandy, loamy or clay soils that are moist but well-drained. It suits trellises, fences and the rear of borders.

Rose Queen Everlasting Pea (Lathyrus latifolius 'Rose Queen') blooms June to August and is a fully hardy perennial for sunny trellises and borders.

Lathyrus latifolius 'Rose Queen'

Rose Queen Everlasting Pea | Lathyrus latifolius 'Rose Queen'

Lathyrus latifolius albus or albiflorus or 'White Pearl' is a perennial climbing pea grown for its summer flowers and mild scent. It reaches about 2.0 m and suits sunny sites where it can scramble over supports. Flowers appear in June to August and are mildly fragrant. Plant it where a tall trellis or fence will display the blooms at head height.

White Everlasting Pea (Lathyrus latifolius albus or albiflorus or 'White Pearl') is a perennial climber that flowers June to August with a mild fragrance.

Lathyrus latifolius albus or albiflorus or 'White Pearl'

White Everlasting Pea | Lathyrus latifolius albus or albiflorus or 'White Pearl'

Lathyrus maritimus is a perennial suited to exposed coastal sites, tolerant of dry, sandy ground and alkaline conditions. It prefers full sun and well-drained, neutral to alkaline soils. Pea-like flowers appear from June to August, usually in purple tones. It is often used on sand dunes and coastal banks for erosion control.

Sea pea Lathyrus maritimus is a hardy coastal perennial for sandy, neutral to alkaline soils that flowers June to August.

https://en.wikipedia.org/wiki/Lathyrus_japonicus

Lathyrus maritimus

Sea pea | Lathyrus maritimus

Lathyrus odoratus 'Phyllis Elizabeth' is a named sweet pea cultivar in the genus Lathyrus and the Fabaceae family. It is grown for its summer flowering, with blooms appearing from June to August. As a named selection, its identity is valuable to collectors and gardeners seeking specific garden varieties. Check plant labels or supplier notes for any cultivar-specific habits before planting.

Sweet Pea Lathyrus odoratus 'Phyllis Elizabeth' flowers in the UK from June to August.

Lathyrus odoratus 'Phyllis Elizabeth'

Lathyrus odoratus 'Phyllis Elizabeth' | Flowers Jun–Aug

Lathyrus odoratus var. nanellus 'Lady T Cherub' (Cherub Series) is a named sweet pea cultivar in the legume family Fabaceae. It is sold as part of the Cherub Series and carries the form associated with Lathyrus. In the UK it flowers from June to August and typically produces the scented blooms found in many sweet peas.

Lathyrus odoratus var. nanellus 'Lady T Cherub' (Cherub Series) is a sweet pea that flowers in the UK from June to August.

Lathyrus odoratus var. nanellus 'Lady T Cherub' (Cherub Series)

Sweet Pea (Lathyrus odoratus var. nanellus 'Lady T Cherub')

Lathyrus rotundifolius is a perennial climber that reaches about 1.5 metres and produces brick-red flowers from June to August. It prefers a sunny spot but will tolerate some partial shade on well-drained, moderately moist soil. Train its twining stems up a trellis or fence. Pods and seeds are not edible, so wear gloves when handling and remove seed pods if pets have access.

Persian everlasting pea Lathyrus rotundifolius is a 1.5 metre perennial climber that flowers June to August and suits trellises and fences.

https://en.wikipedia.org/wiki/Lathyrus_rotundifolius

Lathyrus rotundifolius

Persian everlasting pea | Lathyrus rotundifolius

Lathyrus vernus forma albiflorus is a perennial pea that forms erect stems with a clump of pointed leaves and pale flowers which change colour with age. It suits shaded conditions and is typically used in woodland or shaded border planting. Flowers appear in the UK from June to August. Pods and seeds are not edible and should be handled with care.

Spring pea Lathyrus vernus forma albiflorus for shaded borders and woodland gardens; flowers June to August and pods and seeds are not edible.

https://en.wikipedia.org/wiki/Lathyrus_vernus

Lathyrus vernus forma albiflorus

Spring pea | Lathyrus vernus forma albiflorus

Lathyrus vernus forma cyaneus of gardens is a perennial herb in the pea genus with flowers that are purple, ageing to blue. It flowers in the UK from June to August and suits partial shade to full sun. It prefers moist, well-drained loamy soil of neutral to alkaline pH and is rated hardy (H5). Pods and seeds are not edible, so handle with care.

Spring pea Lathyrus vernus forma cyaneus of gardens is a perennial herb for partial shade or full sun on moist, well-drained loamy soil, flowering June to.

Lathyrus vernus forma cyaneus of gardens

Spring pea | Lathyrus vernus forma cyaneus of gardens

Lathyrus vernus forma roseus is a perennial herb that flowers in June to August and suits partial to full shade. It favours moist, loamy, well-drained soil with a neutral to alkaline pH and is fully hardy in the UK (H7). Plant in woodland-style borders or shaded beds where soil remains cool. Pods and seeds are not edible, so wear gloves when handling and consult the HTA guide to potentially harmful plants for pet advice.

Spring pea (Lathyrus vernus forma roseus) is a shade-loving perennial for moist, neutral to alkaline soils, flowering June to August.

Lathyrus vernus forma roseus

Spring pea | Lathyrus vernus forma roseus

Lathyrus vernus forma variegatus is a perennial spring pea notable for its variegated foliage and pea-like flowers. It favours shady, moisture-retentive sites with a loamy, well-drained soil. Flowering occurs from June to August. Pods and seeds are not edible and should be handled with care.

Spring pea Lathyrus vernus forma variegatus suits moist, neutral to alkaline shade and flowers June to August.

Lathyrus vernus forma variegatus

Spring pea | Lathyrus vernus forma variegatus

lathyrus chloranthus is a species in the genus Lathyrus, belonging to the Fabaceae. It flowers in the UK summer from June to August. Growth form within the genus is variable, so identification and care depend on species-specific details.

Lathyrus chloranthus is a member of the Lathyrus genus in the Fabaceae family and flowers from June to August.