Hardy Perennial Herbs

Lavender ‘Hidcote’ Blue – Seeds (Lavandula angustifolia)

Lavender ‘Hidcote’ Blue (Lavandula angustifolia) is a classic compact variety prized for its deep violet-blue flower spikes and aromatic foliage. Ideal for borders, herb gardens, and containers, it attracts bees and butterflies while providing fragrant blooms for cutting and drying. Hardy and low-maintenance, it’s perfect for sunny, well-drained locations.

Why Grow "Hidcote Blue"

• Deep violet-blue fragrant flower spikes

• Compact, tidy growth ideal for borders and containers

• Attracts pollinators such as bees and butterflies

• Excellent for cutting, drying, and culinary use

Key Features

• Type: Hardy perennial (Lavandula angustifolia)

• Height: 30–45 cm

• Flowering: June–August

• Position: Full sun, well-drained soil

• Uses: Borders, herb gardens, containers, pollinator-friendly planting

Ideal For

• Herb and cottage gardens

• Pollinator-friendly borders

• Container planting and edging

• Fragrant bouquets and dried arrangements

Sowing & Growing

• Sow indoors: February–April in seed trays

• Germination: 14–28 days at 18–22°C

• Transplant seedlings into pots or borders after last frost

• Space 25–30 cm apart for compact growth

• Prefers sunny, well-drained soil; avoid overwatering

Hyssop Seeds (Hyssopus officinalis)

Grow a timeless herb with Hyssop (Hyssopus officinalis), a fragrant perennial prized for its aromatic leaves and striking blue-purple flowers. Traditionally used in herbal teas, remedies, and as a seasoning, hyssop also attracts pollinators and adds beauty to borders, herb gardens, and containers. Hardy and versatile, it’s an essential plant for both culinary and medicinal use.

How to Grow

• Sow seeds indoors in spring or directly outdoors after the last frost.

• Use well-drained, light soil in a sunny location.

• Sow seeds 0.5 cm deep and thin seedlings to 30–40 cm apart.

• Keep soil lightly moist until germination (14–21 days).

• Harvest leaves and flowers throughout summer for fresh or dried use.

Key Features

• Aromatic herb with blue-purple blooms

• Culinary, medicinal, and herbal tea uses

• Attracts bees, butterflies, and pollinators

• Hardy perennial, easy to grow

• Adds beauty and fragrance to the garden

Ideal For

• Herb gardens, borders, and containers

• Herbal teas, remedies, and cooking

• Attracting pollinators and beneficial insects

• Gardeners seeking hardy, multipurpose plants

Sowing

• Best time: Spring indoors or after frost outdoors

• Depth: 0.5 cm

• Spacing: 30–40 cm apart

• Prefers full sun and well-drained soil

Quick Tip

• Trim plants after flowering to encourage bushier growth and a second flush of blooms.

Marsh Mallow – Seeds (Althaea officinalis)

Marsh Mallow is a hardy perennial herb known for its tall, elegant growth and soft, velvety leaves. Traditionally valued for its medicinal properties, its roots and leaves can be used in herbal remedies, teas, and natural skincare preparations. The plant also produces attractive pale pink flowers that add charm to herb and cottage gardens.

Ideal for garden beds, borders, and natural herbal plots, Marsh Mallow is easy to grow and low-maintenance once established.

How to Grow

• Sow indoors: February – April

• Sow outdoors: April – May

• Depth: 0.5–1 cm

• Spacing: 40–50 cm between plants

• Position: Full sun to partial shade

• Soil: Fertile, well-drained, moist

• Watering: Regular watering until established

Key Features

• Hardy perennial herb with medicinal and culinary uses

• Soft, velvety leaves and pale pink flowers

• Ideal for teas, herbal remedies, and natural skincare

• Low-maintenance once established

• Suitable for herb gardens, borders, and cottage gardens

Harvest

• Harvesting period: Summer – Autumn

• Pick leaves and flowers as needed; roots can be harvested in autumn for medicinal use.

Short Tip

For a continuous supply, harvest leaves selectively and leave some to flower for seeds.

Russian Tarragon – Seeds (Artemisia dracunculus)

Russian Tarragon is a hardy perennial herb valued for its anise-like flavor and aromatic leaves. While milder than French tarragon, it grows easily from seed, making it an excellent choice for gardeners who want a reliable and vigorous herb. Perfect for flavoring chicken, fish, salads, and sauces, it also makes a decorative addition to herb gardens with its fine, slender foliage.

How to Grow

• Sow indoors: March – May in seed trays or pots.

• Transplant outdoors: After last frost into a sunny, sheltered position.

• Soil: Well-drained, light soil.

• Spacing: 30–45 cm apart.

• Water moderately, avoid waterlogging.

Key Features

• Hardy perennial, easy to grow from seed

• Aromatic leaves with mild anise flavor

• Reliable alternative to French tarragon

• Drought-tolerant once established

• Attractive foliage for herb borders

Ideal For

• Herb gardens and kitchen gardens

• Flavoring chicken, fish, soups, and sauces

• Growing in pots, raised beds, or borders

Sowing & Harvest

• Sow: March – May

• Harvest: July – October

Quick Tip

Pinch back growing tips to encourage bushy growth. For best flavor, harvest young leaves before flowering.

St. John’s Wort – Seeds (Hypericum perforatum)

St. John’s Wort (Hypericum perforatum) is a hardy perennial herb known for its bright yellow star-shaped flowers and long history of use in traditional herbal medicine. It grows easily in gardens, meadows, or wildflower plantings, attracting pollinators while adding natural beauty.

Often valued for its ornamental and herbal qualities, St. John’s Wort thrives in poor soils and sunny locations, making it a low-maintenance addition to cottage gardens and naturalized landscapes.

How to Grow

• Sow indoors: February – April

• Sow outdoors: April – June, or autumn for natural stratification

• Depth: Surface sow – seeds need light to germinate

• Spacing: 30 cm between plants

• Position: Full sun to partial shade

• Soil: Well-drained, moderately fertile, sandy or rocky soils

Key Features

• Perennial herb with golden yellow, star-shaped blooms

• Attracts bees and pollinators

• Grows well in poor, dry soils – low maintenance

• Suitable for borders, meadows, and herb gardens

• Traditional herb, long valued in folklore and medicine

Flowering & Harvest

• Flowering time: June – September

• Blooms can be collected at peak flowering if used for herbal purposes.

Dandelion – Seeds (Taraxacum officinale)

Dandelion (Taraxacum officinale) is a hardy perennial known for its bright yellow flowers and fluffy seed heads. A versatile and low-maintenance plant, it attracts pollinators such as bees and butterflies, supports beneficial insects, and can be used in salads, teas, and herbal remedies. Ideal for wildflower gardens, meadows, and naturalized areas, it adds color and ecological value while requiring minimal care.

Why Grow "Dandelion"

• Bright yellow flowers and distinctive seed heads

• Attracts pollinators and beneficial insects

• Edible leaves and flowers for salads and teas

• Low-maintenance and hardy in most soils

Key Features

• Type: Perennial (Taraxacum officinale)

• Height: 15–30 cm

• Flowering: Spring to autumn

• Position: Full sun to partial shade

• Uses: Wildflower gardens, meadows, naturalized areas, edible gardens

Ideal For

• Naturalized or meadow-style gardens

• Pollinator-friendly planting

• Edible and herbal gardens

• Gardeners seeking low-maintenance, ecological plants

Sowing & Growing

• Sow indoors: Early spring

• Sow outdoors: Directly in soil after frost

• Germination: 7–14 days

• Space seedlings: 10–15 cm apart

• Prefers well-drained soil and sunny locations

Sorrel 'Bloody Dock' – Seeds (Rumex sanguineus)

Sorrel 'Bloody Dock' is a striking perennial herb known for its vibrant red-veined leaves and tangy, lemony flavor. Perfect for salads, soups, sauces, and garnishes, it adds both visual appeal and a refreshing zest to culinary creations.

Easy to grow and hardy, this variety thrives in garden beds, borders, or containers, providing both ornamental beauty and flavorful leaves throughout the growing season.

How to Grow

• Sow outdoors: March – June

• Plant spacing: 20–25 cm between plants

• Position: Full sun to partial shade

• Soil: Moist, fertile, well-drained soil

• Care: Water regularly; remove older leaves to encourage new growth

Key Features

• Perennial herb with striking red-veined leaves

• Tangy, lemony flavor perfect for salads, soups, and sauces

• Hardy and easy to grow

• Suitable for garden beds, borders, or containers

• Adds both ornamental and culinary value

Harvest

• Harvesting period: 50–70 days after sowing

• Pick young leaves regularly for the best flavor and tender texture.

Short Tip

Harvest leaves from the outer edges to encourage continuous growth and maintain vibrant color.