Herbaceous plants (in botanical use frequently simply herbs) are plants that have no persistent woody stem above ground. The term is mainly applied to perennials, but in botany it may also refer to annuals or biennials, and include both forbs and graminoids.

Annual herbaceous plants die completely at the end of the growing season or when they have flowered and fruited, and they then grow again from seed.

Herbaceous perennial and biennial plants may have stems that die at the end of the growing season, but parts of the plant survive under or close to the ground from season to season.

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Allium nectaroscordum siculum

Allium-nectaroscordum-siculum, commonly known as Mediterranean bells, is a flowering plant that belongs to the Allium genus in the Amaryllidaceae family. This plant grows from a bulb and typically reaches a height of 120cm. It produces large, bell-shaped flowers that hang in clusters atop sturdy stems. The flowers appear in various shades of pink, purple, or white, often with green stripes or spots. The petals are fused together, forming a distinct bell shape.

Euphorbia characias subsp. wulfenii

The blueish green foliage looks fresh all year round. In early summer the lime yellow flowers dramatically tower above the plant. A great evergreen plant. Height 100 cm. Spread 90 cm.

Hosta Empress Wu

This is a royal plant! Impressive height and big, bold, green foliage. If positioned in a moist spot it will thrive. Big lavender flowers to match. Height 120 cm. Spread 150 cm

Hosta sieb. Frances Williams

The large heart-shaped leaves are blue-green at the centre with golden-green margins. Off-white flowers in middle to late summer. Height 70 cm. Spread 100 cm.

Perovskia atriplicifolia ‘Blue Steel’

Deeply divided, aromatic silvery foliage with a bushy habit. Strong silver stems carry large panicles of small violet-blue flowers appearing in sprays. Provides wonderful colour and fragrance in the late Summer and Autumn garden. Highly attractive to bees and pollinators. Garden plant for flowerbed in well-drained soil in full sun. Will also grow in poor dry or gravely soils and is drought tolerant. Height and spread (approx) - 120cm x 100cm.

Phormium Flamingo

New Zealand Flax. Pink leaves with deeper pink margins. Height 100cm.

Phygelius rec Devils Tears

Evergreen. Deep red-pink flowers turning back towards the stem with orange red lobes and yellow throats. Height 100cm.

Salvia Amistad

Bushy upright perennial garden sage. Aromatic bright green leaves. Almost black buds open to reveal large vibrant, rich purple tubular flowers from early summer to first frosts. Bees adore this one! Height 120cm. Spread 50cm.

Zantedeschia a Crowborough

Evergreen in mild areas. Height 100 cm. Pure white flowers in June and July. Needs winter protection.

Astelia Silver Shadow

Astelia are stunning evergreen perennials with stunning silver foliage and they are perfect for adding a tropical feel to the garden.