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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Buddleja Buzz Lavender

Dwarf Butterfly Bush. Violet-lilac flower plumes from June till September. Height 60 cm. Plant in a sunny position.

Buddleja Buzz Magenta

Dwarf Butterfly Bush. Purple magenta flower plumes from June till September. Height 60 cm. Plant in a sunny position.

Campanula glom. Superba

Dense heads of purple bell-shaped flowers appear in Summer. Tough and easy to grow garden plant, well suited to a cottage garden or herbaceous border. Height 45 cm. Spread 60 cm.

Centaurea Amethyst Dream ®

Forms a mound of narrow grey-green foliage. Shaggy and exotic looking silky, purple flowers from early Summer to Autumn. A really eye-catching flower! Good for cutting too. Butterfly and bee friendly. Garden plant for flowerbed in well drained soil in full sun or partial shade. Will also tolerate sandy and clay soils. A cottage garden plant but also great in wild flower/meadow or seaside gardens.

Geranium Ann Folkard

The vivid magenta flowers with their distinct black veins are starting early and finishing late. The new foliage is golden, changing to apple green. Height 40 cm. Spread 50 cm

Geranium Sweet Heidi

Purple flower with a white eye from May to October. Flowers resting on long runner stems. Attracts bees. Height 40cm.

Knautia Thunder and Lightning

Variegated light green & cream foliage forms a low mound. Tall wirey stems topped by purple-red pincushion flowers throughout Summer and into Autumn. Attracts butterflies. Likes a well drained sunny spot. Height 45cm. Spread 50cm.

Liatris sp. Kobold

The deep purple flower spikes in summer will brighten the border. They resemble bottle brushes and make excellent cut flowers. Easy to grow. Height 60 cm. Spread 35 cm.

Limonium Salt Lake

Sea Lavender Purple flowers on short stems in July and August. Attracts bees and butterflies. Height 50cm. Spread 50cm.

Nepeta Six Hill Giant

A traditional garden plant. The grey-green foliage gives off a lemony scent when crushed. It will be covered with masses of lavender flowers, which attract bees. Height up to 60 cm. Spread 50 cm.

Nepeta x. fass. Kit Kat

Dark purple blue flowers from June till September. Sunny position, free-draining soil. Height 40 cm.

Phlox Famous Light Purple

The Famous series are a compact well branching group of perennial Phlox. Easy to grow and very floriferous - light purple flowers blooming from July to September. Height 50cm.

Phlox Famous Purple

The Famous series are a compact well branching group of perennial Phlox. Easy to grow and very floriferous - lovely purple flowers blooming from July to September. Height 50cm.

Phygelius aequalis Sensation

Evergreen. Dark purple flowers from May till October. Height 55 cm. Sunny position, free draining soil. Protect against severe frost.

Polemonium Lambrook Mauve

Mauve flowers from May-July. Height 60 cm. Sunny position, free-draining soil.

Salvia ‘Eveline’

Salvia are cottage garden favourites! Clump-forming perennial with a compact upright habit. Aromatic light green leaves. Erect racemes of two-lipped pink-purple flowers in Summer. Deadhead regularly to prolong flowering. Attracts pollinators. Garden plant for flowerbed in light and well-drained soil in full sun. Good in beds, borders, coastal areas, cottage gardens. Height 60cm. Spread 45cm.

Verbena bonariensis Lollipop

Compact dwarf Verbena with small clusters of lavender flowers throughout Summer. Suitable for front of border. Good cut flowers and attracts butterflies. Height 60 cm.

Verbena rigida Venosa

Fragrant purple flowers from July to September. Height 50 cm. Suitable for containers. Plant in full sun.