English Grass, botanically known as Armeria pseudarmeria 'Ballarina White', is a compact and tuft-forming perennial that forms dense clumps of narrow, needle-shaped leaves. It produces spherical flower heads in shades of white that stand out clearly above the green foliage.

The plant blooms in spring and summer, typically from May to June, and thrives best in full sun. It is fully hardy and requires only 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 in the foreground of perennial beds, in rock gardens, or as a border plant. It can also be used in pots, where its compact growth form provides a neat and tidy appearance.

Dark Mullein (Verbascum nigrum 'Album') is a perennial characterised by its upright growth and white flowers, which appear from July to September. The plant can reach a height of around 80 to 200 cm depending on growing conditions and forms a striking 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. Dark Mullein is fully hardy and therefore well suited to 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 around 45–60 cm. It pairs well with other summer-flowering perennials and contributes both height and a natural expression to the planting.

Japanese Anemone 'Andrea Atkinson' is an upright perennial that produces elegant white flowers on slender stems. The flowers stand out clearly above the lobed, dark green foliage, giving a light and airy expression in the garden.

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

The perennial grows to about 90 cm tall and spreads slowly with short runners, 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 about six plants per square metre, it can create a harmonious and full expression in the perennial bed.

Creeping Evening Primrose (Oenothera macrocarpa) is a low, clump-forming perennial that grows about 15–30 cm tall and spreads gently in the garden. It has narrow green leaves with reddish stems and a trailing 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 only minimal care once established. For a full appearance, it is recommended to plant 4–6 plants per square metre.

Flowering occurs 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 moths and other pollinating insects, contributing to a lively garden environment.

Creeping Evening Primrose is particularly suitable for rock gardens, slopes, and sunny borders, where its flowers and foliage create a lasting play of colour throughout the summer.

Iris pseudacorus is a perennial plant that grows to about 70 to 100 cm tall. 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 by ponds, lakes, or other damp areas. It can be planted individually as a solitary plant or in small groups to create a natural look.

The leaves are green and upright, and the growth is moderate. Iris pseudacorus can also be used as a cut flower, but its primary value lies in its ability to add structure and colour to the garden’s moist zones.

Spurge '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 partially shaded location and can retain its foliage year-round under sheltered conditions.

It grows to about 30–50 cm high and 20–30 cm wide, making it suitable as a border plant or for creating contrast in flower beds. Plant density is recommended at 5–6 plants per square metre to achieve a full planting.

Flowering occurs from April to June, when the plant develops distinctive flowers in red and lime green, gathered in large clusters. It is suitable for cutting and can be used in bouquets.

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

Penstemon 'Garnet' is a perennial 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 beds, where it can create height and colour contrast.

Beardtongue can be used in both 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 a moderately vigorous 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 blue-purple flowers. It grows to about 40 cm tall and is well suited for flower beds, where it can add colour and structure throughout the summer.

The plant thrives best in a bright and sunny location in well-drained soil. It tolerates dry conditions once established and requires only limited maintenance. If the faded flower spikes are removed regularly, the flowering period can be extended into late summer.

Perennial Sage is suitable for cutting and is often used in bouquets. It has aromatic, fragrant foliage and attracts many pollinators such as bees and butterflies, making it a great 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 fully hardy and suitable for both private gardens and parks.

Purple coneflower (Echinacea 'Tomato Soup' (r)) is a perennial that adds a warm orange-red colour and a pleasant scent to the garden. The plant typically grows 60–80 cm tall and 20–40 cm wide, making it suitable as a mid- or background 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 are 10–12 cm in diameter and appear from July to September. The leaves are green and lance-shaped, and the growth is upright and medium-sized.

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

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

Mountain mint (Calamintha nepeta ssp. nepeta) is a low, upright-growing perennial that forms dense clumps of grey-green foliage with a characteristic spicy scent. The plant grows to about 30–50 cm high and 20–40 cm wide, making it suitable as ground cover or an edging plant in beds and along paths.

It thrives best in a bright or lightly 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 lively garden environment throughout the summer and early autumn.

Mountain mint is hardy and requires only limited care. It can be used as an ornamental plant, but also as a herb, where the aromatic leaves can be used in cooking. Plant density is recommended at about 5–6 plants per square metre to achieve a dense cover.

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

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

It grows to about 25 cm in height and spreads to a width of 20–30 cm. The flowers typically measure between 2 and 5 cm and appear in a white shade, providing a striking contrast in rock gardens or on sunny slopes.

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

The plant requires minimal care but thrives best when it receives plenty of sun and is not too moist. It is therefore ideal for dry, sunny areas where other plants may struggle to establish.

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

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

Beeblossom thrives best in sun or partial shade and prefers well-drained soil. It is well suited for planting in gardens and parks but can also be used in pots, where it adds a natural and flowering expression.

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

Leadwort (Ceratostigma plumbaginoides) is a compact, ground-covering perennial that forms dense growths in beds, pots, and parks. It grows to about 25 cm high and 20–40 cm wide, making it suitable as a border plant or for filling gaps in plantings.

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

The flowers are blue and measure 1–5 cm in diameter. They appear from August to September and provide a striking splash of colour in late summer. The leaves are green and oval, and in autumn they take on a reddish hue, adding extra colour variation to the garden.

When planting, a spacing of about 50–55 cm between plants is recommended to achieve a dense and uniform result. Leadwort 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 grows to about 25 cm tall and thrives in both sun and partial shade. It is known for its soft, slightly hairy leaves, which can collect small water droplets along the leaf edge, giving a characteristic dewy appearance.

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

Lady's Mantle is a hardy and easy-to-grow plant that does well under many conditions – from sunny to shady locations. It is suitable for beds, borders, and natural-style gardens, where it contributes structure and colour throughout the growing season.

The decorative leaves and flowers can be used in bouquets and decorations, and the plant requires only minimal maintenance. It is therefore a practical choice for gardeners who want a green and lush look without much maintenance.

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

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

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

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 plant characterised by its upright stems and flat flower clusters in bright orange-red shades. The plant grows to about 100 cm tall and has oval, fresh green leaves that form a dense and harmonious growth.

The perennial blooms in June and July and can continue into late summer. It thrives best in full sun and in ordinary garden soil, where it develops best under moderate fertilisation levels. It is fully hardy and therefore suitable for most British gardens.

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

Avens 'Nordek' (Geum heldreichii) is a dense, ground-covering perennial that forms small colonies and provides structure in flower beds. It grows to about 30–40 cm tall and often has evergreen leaves, which maintain the plant's visual value year-round.

Flowering occurs in June–July, when the plant develops bright orange flowers, followed by decorative, fluffy seed heads. Under favourable conditions, a smaller re-flowering may occur in late summer.

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

Avens attracts a range of pollinators, including bumblebees, solitary bees, hoverflies, and butterflies, which seek nectar in 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, border plantings, and as part of mixed plantings, where it contributes warm colours and natural fullness.

Field Scabious (Knautia macedonica 'Mars Midget') is a perennial that forms low clumps and produces dark red flower heads measuring 1–5 cm in diameter. The flowering period extends from June to September, adding an intense colour to the garden throughout the summer.

The plant typically grows 20–40 cm high and wide and has dark green, deeply lobed leaves that form a dense and decorative base. It is well suited as a border plant or in the front of a perennial bed, where it can be planted about 50 cm apart.

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

Japanese Primula, botanically known as Primula japonica 'Apple Blossom', is a perennial originating from moist forest areas in East Asia. It is known for its elegant flowers in soft pink shades, which appear in tiers on tall stems in early summer.

The plant has elongated green leaves that form a dense clump at the soil surface. It prefers partial shade and moist, nutrient-rich soil, where it can develop into a stable and long-lived perennial.

With a height of around 50–60 cm and a width of 20–40 cm, it is well suited for planting by streams, in woodland beds, or in other moist garden areas. The flowers, measuring 3–5 cm in diameter, add a light and natural expression to the planting.

Japanese Primula is fully hardy under Danish conditions and requires only minimal care, apart from keeping the soil moist during the growing season.

Rose campion (Lychnis coronaria) is a perennial plant characterised by its grey-blue, elongated leaves and upright growth habit. The plant creates a striking contrast in the bed with its dark red flowers, which typically measure 1–5 cm in diameter.

Flowering occurs from June to September, providing a long period of colour in the garden. It grows to about 50–100 cm tall and 20–30 cm wide and should be planted about 55 cm apart for optimal growth.

Rose campion thrives best in full sun and well-drained soil. It is fully hardy and requires only moderate fertilisation, making it suitable for both beginners and experienced gardeners who want a robust and decorative plant.

With its upright growth and silvery-grey foliage, Rose campion works well as a contrast plant in perennial beds and can also be used as a cut flower.

Culver’s Root, botanically known as Veronicastrum virginicum, is a perennial that forms tall, upright stems with whorled, narrow leaves. The plant grows to about 120 cm tall and requires no staking, even though it has a slender and upright growth form.

It thrives best in a bright and sunny location, where it develops its characteristic flower spikes in light blue-purple colours from July to September. The flowers are densely packed in long, pointed clusters, giving a light and elegant expression in the bed.

The plant is recommended to be planted with about three specimens per square metre to achieve a dense and harmonious appearance. After flowering, decorative seed heads form, which can be used in bouquets and decorations while also adding structure to the garden through autumn.

Culver’s Root is known for attracting butterflies, hoverflies, and bees, making it a valuable choice for those who wish to promote biodiversity in the garden.

Autumn Catchfly, botanically known as Silene schafta 'Splendens', is a low, compact perennial that forms a dense ground cover. The plant grows to about 20 cm tall and has an even, moderately growing habit.

It thrives best in sun to partial shade and in ordinary, well-drained garden soil. Flowering takes place from August to September, when the plant is covered with dark pink flowers that add colour to the late summer garden.

Autumn Catchfly is particularly well suited for rock gardens, border plantings, and as ground cover between larger plants. With approximately nine plants per square metre, a quick and dense cover is achieved, helping to suppress weeds.

The leaves are green to dark green and lance-shaped, and the plant is fully hardy under Danish conditions. It requires only moderate fertilisation and minimal maintenance, making it suitable for both experienced and new gardeners.

Creeping Bellflower 'Catharina' (Campanula port. 'Catharina') is a low, compact perennial that forms a dense green carpet over the ground. It grows to about 15 cm tall and is well suited as ground cover in flower beds, rock gardens, or along edges, where it can create a uniform and lush appearance.

The plant thrives best in a light or slightly shaded location and prefers well-drained soil. It has a high planting density of 7–9 plants per square metre, which provides effective ground coverage and reduces weed growth.

Flowering occurs from June to July, often with a smaller re-bloom in August and September. The many violet, bell-shaped flowers cover the plant in large quantities and add colour and life to the garden during the summer period.

Creeping Bellflower 'Catharina' is suitable for use as ground cover in bright locations, where it contributes structure and colour through much of the growing season.

Iris versicolor is a perennial that naturally grows in moist areas and along waterways. It is known for its characteristic blue-violet flowers and its ability to form large, dense stands over time.

The plant thrives best in moist or wet soil and can even be planted in shallow water, where both the roots and parts of the leaves are below the water surface. This makes it suitable for use in garden ponds, rain beds, and swampy areas in the garden.

As a perennial plant, Iris versicolor returns year after year and can, over time, create a natural and lush expression in the garden. It is particularly valued for its robustness and its ability to adapt to different moisture levels.

Spurge 'Purpurea' (Euphorbia amygdaloides 'Purpurea') is a low, upright-growing perennial characterised by its reddish foliage and evergreen nature under sheltered conditions. The plant grows to about 30–50 cm high and 20–30 cm wide, forming a dense, compact growth habit.

It thrives best in partial shade to shade and prefers well-drained soil. The foliage has a red-green hue that provides contrast in plantings, and from April to June, the plant develops small green-yellow flowers in clusters that add life and structure to the garden.

Spurge 'Purpurea' is suitable for edging, containers, and as part of woodland beds. The recommended planting density is 5–6 plants per square metre to achieve a lush planting. The plant sap is toxic and should be handled with care.

The plant is fully hardy and requires minimal maintenance. It can be used as an ornamental plant in gardens and parks, where it contributes colour and texture throughout the growing season.

Perennial Lupin 'Gallery Yellow' is a perennial plant that forms upright flower spikes with bright yellow flowers during the summer months. The flowers are about 10–25 cm long and emit a light fragrance that attracts insects.

The plant typically grows 50–70 cm tall and 20–40 cm wide. It has green, divided leaves and an upright growth habit, making it suitable for planting in beds, along paths, or as a background plant in perennial borders.

It thrives best in sun or partial shade and should be planted about 45 cm apart to ensure good air circulation. The soil should be well-drained, and the plant responds positively to moderate fertilisation. It is fully hardy and suitable for both gardens and parks.

As part of the 'Gallery' series, this lupin is known for its compact growth and rich flowering, making it a reliable choice in many types of plantings.