English grass, botanically known as Armeria pseudarmeria 'Ballarina White', is a compact perennial that forms dense clumps of narrow, needle-shaped leaves. It produces spherical inflorescences in white tones that stand out clearly against the green foliage.

The plant blooms in spring and summer, typically from May to June, and thrives best in full sun. It is completely hardy and only requires light fertilisation, making it suitable for both beginners and experienced gardeners.

With a height of around 20–40 cm and a width of 10–30 cm, English grass fits well at the front of perennial beds, in rock gardens or as a border plant. It can also be used in pots, where its compact growth habit provides a neat and attractive appearance.

The Dark Verbascum (Verbascum nigrum 'Album') is a perennial plant characterised by its upright growth and white flowers, which appear from July to September. The plant can reach a height of approximately 80 to 200 cm depending on growing conditions and forms a prominent vertical structure in the garden.

The leaves are green and oval-shaped, and the plant thrives best in full sun, where it develops optimally. It prefers well-drained soil and a moderate level of fertilisation. The Dark Verbascum is completely hardy and therefore suitable for the Danish climate.

The perennial is often used in gardens and parks, where it can be planted individually or in groups with a planting distance of approximately 45–60 cm. It combines well with other summer-flowering perennials and adds both height and a natural appearance to the planting.

The autumn anemone 'Andrea Atkinson' is an upright-growing perennial that produces elegant white flowers on slender stems. The flowers stand out clearly against the dark green, lobed foliage, giving the garden a light and airy appearance.

The plant blooms from August to October and adds colour and structure to late-summer borders. It thrives best in light or partial shade and in well-drained, nutrient-rich soil.

The perennial reaches about 90 cm in height and spreads slowly with short stolons, making it suitable for forming small colonies. It can be used as a solitary plant or in groups, and is also suitable for cutting.

With a planting density of approximately six plants per square metre, it can create a harmonious and abundant appearance in the perennial border.

The creeping evening primrose (Oenothera macrocarpa) is a low perennial plant that forms clumps and reaches about 15–30 cm in height, spreading slowly in the garden. It has narrow green leaves with reddish stems and a creeping growth habit, making it suitable as ground cover or a border plant.

The plant thrives best in a bright location in full sun and in well-drained soil. It tolerates dry conditions and requires minimal maintenance once established. For a fuller appearance, it is recommended to plant 4 to 6 plants per square metre.

Flowering takes place from June to September, when the plant produces large, bright yellow flowers that open in the evening and remain open until the next day. The flowers attract night-flying moths and other pollinating insects, contributing to a vibrant garden environment.

The creeping evening primrose is especially suitable for rock gardens, slopes, and sunny borders, where its flowers and foliage create a lasting play of colours throughout the summer.

Iris pseudacorus is a perennial plant that reaches a height of about 70 to 100 cm. It develops large yellow flowers with dark markings that stand out clearly in the garden during the flowering period from June to July.

The plant thrives best in full sun and requires moist to wet soil, making it ideal for placement next to ponds, pools or other damp areas. It can be planted individually as a solitary plant or in small groups to create a natural appearance.

The leaves are green and upright, and the growth is of medium strength. In addition, Iris pseudacorus can be used as a cut flower, but its main value lies in its ability to bring structure and colour to the damp areas of the garden.

The euphorbia 'Purpurea' (Euphorbia amygdaloides 'Purpurea') is a compact, evergreen perennial characterised by its reddish foliage and its ability to maintain colour and structure throughout the season. The plant thrives best in a bright to semi-shaded location and, in sheltered conditions, can retain its foliage all year round.

It reaches a height of about 30–50 cm and a width of 20–30 cm, making it suitable as a border plant or for creating contrast in flower beds. A planting density of 5–6 plants per square metre is recommended for a dense planting.

Flowering takes place from April to June, when the plant develops distinctive red and lime-green flowers grouped in large inflorescences. It is suitable for cutting and can be used in bouquets.

The plant’s sap is toxic and should be handled with care. The species is fully hardy and grows at a normal to medium rate under suitable conditions.

Penstemon 'Garnet' is a perennial plant characterised by its dark red flowers and slender, upright growth form. The plant has green, lance-shaped leaves and blooms in the summer months, typically from July to August.

It thrives best in full sun and prefers well-drained soil. With a height of around 70–80 cm and a width of 20–30 cm, it fits well in perennial borders, where it can add height and colour contrast.

The beardtongue can be used both in gardens and parks as well as in pots. It is fully hardy and suitable for cutting, making it useful as a cut flower in bouquets.

The plant has moderate growth and requires a moderate level of fertilisation to maintain healthy flowering throughout the season.

Perennial sage (Salvia nemorosa 'Ostfriesland') is a perennial plant that forms upright stems with dense spikes of violet-blue flowers. It reaches about 40 cm in height and is ideal for flower beds, where it can add colour and structure during the summer.

The plant thrives best in a bright, sunny location with well-drained soil. It tolerates dry conditions once established and requires little maintenance. If the withered spikes are regularly removed, flowering can continue until late summer.

Perennial sage is suitable for cutting and is often used in bouquets. It has aromatic and fragrant foliage and attracts many pollinators such as bees and butterflies, making it an excellent choice for insect-friendly gardens.

With a planting density of 5–6 plants per square metre, it forms a dense and harmonious bed. It is completely hardy and suitable for both private gardens and parks.

The echinacea (Echinacea 'Tomato Soup' (r)) is a perennial plant that brings a warm reddish-orange colour and a pleasant fragrance to the garden. The plant usually reaches a height of 60–80 cm and a width of 20–40 cm, making it suitable as a background or mid-border plant in flower beds.

It thrives best in full sun and should be planted about 40 cm apart to ensure good air circulation. The flowers have a diameter of 10–12 cm and appear from July to September. The leaves are green and lance-shaped, and the growth is upright and medium-sized.

The echinacea is completely hardy in the Danish climate and only requires moderate fertilisation. It is suitable both as an ornamental plant in perennial borders and as a cut flower. The variety is known for its long flowering period and its ability to attract bees and butterflies.

The plant prefers well-drained soil and can tolerate dry periods once established. It is generally resistant to diseases and pests and requires minimal maintenance.

Mountain mint (Calamintha nepeta ssp. nepeta) is a low, upright perennial that forms dense clumps of grey-green foliage with a characteristic spicy aroma. The plant reaches about 30–50 cm in height and 20–40 cm in width, making it suitable as ground cover or border plant in flower beds and along paths.

It thrives best in a bright or slightly shaded location with well-drained soil and flowers from July to October with small light violet flowers. The flowers attract both bees and butterflies and contribute to a vibrant garden environment during summer and early autumn.

Mountain mint is hardy and requires little maintenance. It can be used as an ornamental plant, but also as an aromatic herb, as the fragrant leaves can be used in cooking. A planting density of approximately 5–6 plants per square metre is recommended to achieve dense coverage.

The plant is known for its fragrance and its ability to form a low green carpet that suppresses weeds. It is also known as mountain thyme and is one of the most versatile perennials for sunny gardens.

Edelweiss (Leontopodium soul. 'Alpina White') is a compact, slow-growing perennial plant characterised by its distinctive white flowers and elongated grey-green leaves. The plant is naturally adapted to alpine conditions and thrives best in full sun with well-drained soil.

It reaches a height of about 25 cm and spreads to a width of 20–30 cm. The flowers usually measure between 2 and 5 cm and appear in a white tone that provides a striking contrast in rock gardens or on sunny slopes.

Edelweiss is completely hardy and suitable for use in alpine gardens, parks, and as ground cover. It can also be used as a cut flower, as its blooms retain their shape and colour for a long time.

The plant requires minimal maintenance but thrives best when it receives plenty of sun and is not in a too humid location. Therefore, it is ideal for dry and sunny areas where other plants may struggle to establish.

Pragtkærte, botanically known as Gaura lindheimeri 'Siskiyou Pink', is a perennial plant characterised by its delicate pink flowers and light, upright growth form. The plant reaches a height of approximately 50–100 cm and a width of about 30–50 cm.

The leaves are green and lanceolate, giving the plant a light and airy appearance. It blooms in the summer months, typically from July to September, and the flowers are found on slender stems that move gently with the wind.

Pragtkærte thrives best in full sun or partial shade and prefers well-drained soil. It is ideal for planting in gardens and parks but can also be used in pots, where it provides a natural and blooming appearance.

The plant has medium hardiness and a moderate growth rate. It can be used as a cut flower and adds a light and romantic touch to floral arrangements.

Blyrod (Ceratostigma plumbaginoides) is a compact, ground-covering perennial that forms dense clumps in flower beds, pots, and parks. It reaches about 25 cm in height and 20–40 cm in width, making it suitable as a border plant or for filling spaces in plantings.

The plant thrives best in full sun and in ordinary garden soil with a medium nutrient content. It is completely hardy in the Danish climate and only requires moderate fertilisation. Blyrod grows at a medium rate and forms a dense ground cover that can help keep weeds at bay.

The flowers are blue and measure 1 to 5 cm in diameter. They appear between August and September and add a striking touch of colour in late summer. The leaves are green and oval, and in autumn they take on a reddish hue that adds extra colour play to the garden.

When planting, a distance of about 50–55 cm between plants is recommended to achieve a dense and uniform result. Blyrod is suitable for gardens, parks, and pots, where it can be used as ground cover or as part of a layered planting.

Lady's mantle (Alchemilla erythropoda) is a compact perennial that reaches about 25 cm in height and thrives both in sun and partial shade. It is known for its soft and slightly hairy leaves, which can collect small drops of water along the edge of the leaf, giving a characteristic and dewy appearance.

The plant flowers from June to September with small lime-green to yellow-green flowers in loose clusters. It is ideal as ground cover and can be planted at a density of approximately 9 plants per square metre to achieve even coverage.

Lady's mantle is a hardy and easy-to-grow plant that adapts to many conditions, from sunny to shady locations. It is suitable for flower beds, borders, and natural-style gardens, where it provides structure and colour throughout the growing season.

The decorative leaves and flowers can be used in bouquets and decorations, and the plant requires minimal maintenance. Therefore, it is a practical choice for gardeners who want a lush green look without major care requirements.

The scabious 'Perfecta' (Scabiosa caucasica) is a perennial plant that develops large violet-blue flowers on slender but strong stems. The plant flowers from June to October and gives the garden a light and elegant structure.

It thrives best in a bright spot with full sun and well-drained soil. The leaves are dark green and deeply lobed, giving the plant a characteristic appearance even outside the flowering period.

With a height of about 70 cm and a planting density of 5–6 plants per square metre, it is suitable both as a background plant in the perennial border and as part of a group of dense flowers. It is also suitable for cutting, as the flowers retain their shape and colour in the vase.

The scabious 'Perfecta' is popular among bees and hoverflies, making it a good choice for those who wish to promote biodiversity in the garden.

Burning Love (Lychnis chalcedonica) is a perennial characterised by its upright stems and flat inflorescences in bright orange-red tones. The plant reaches about 100 cm in height and has oval, fresh green leaves that form dense and harmonious growth.

The plant flowers in June and July and can continue until late summer. It will thrive best in full sun and in normal garden soil, where it performs best with a medium level of fertilisation. It is completely hardy and therefore suitable for most Danish gardens.

Burning Love is often used in perennial beds, gardens and parks, and is also suitable as a cut flower due to its sturdy stems and long-lasting blooms. With its upright growth habit and striking colour, it brings life and structure to flower beds.

Nellikerod 'Nordek' (Geum heldreichii) is a dense, ground-covering perennial that forms small colonies and adds structure to flower beds. It reaches about 30–40 cm in height and often has evergreen leaves that maintain the plant’s visual value throughout the year.

Flowering takes place in June–July, when the plant produces bright orange flowers, followed by decorative, hairy seed heads. Under favourable conditions, it may produce a small secondary flowering in late summer.

The plant thrives best in full sun or light partial shade and prefers well-drained soil that is not too dry. It is suitable as ground cover and can be planted at a density of 7–9 plants per square metre.

Nellikerod attracts a variety of pollinators, including bumblebees, solitary bees, hoverflies, and butterflies seeking nectar from the flowers. It is therefore a good choice for gardeners who wish to promote biodiversity.

With its moderate growth and ability to form green clumps, it fits well in perennial beds, borders, and mixed plantings, where it adds warm colours and a sense of natural fullness.

The scabious (Knautia macedonica 'Mars Midget') is a perennial that forms low clumps and produces dark red flower heads 1 to 5 cm in diameter. Flowering extends from June to September, bringing intense colour to the garden during the summer.

The plant usually reaches 20 to 40 cm in height and width, and has dark green, deeply divided leaves that form a dense and decorative base. It is ideal as a border plant or at the front of the perennial bed, where it can be planted about 50 cm apart.

The scabious thrives best in full sun and well-drained soil. It requires only moderate fertilisation and is completely hardy, making it suitable for both gardens and parks. The species is known for its robustness and ability to withstand dry conditions.