Sow in May

Rock Cress 'Cascade Purple' Seeds (Aubrieta cultorum hybrida)

Aubrieta ‘Cascade Purple’ is a low-growing, mat-forming perennial, famous for its vivid purple blooms that blanket rockeries, walls, and borders in spring. This hardy groundcover creates a stunning cascade of flowers, softening stone edges and filling gaps between paving with ease. Once established, it’s drought-tolerant, easy to care for, and ideal for adding long-lasting color to cottage gardens and alpine plantings.

Why Grow 'Cascade Purple'

• Masses of bright purple flowers in spring

• Perfect for rockeries, walls, edging, and containers

• Hardy perennial that returns year after year

Key Features

• Type: Perennial

• Height: 10–15 cm

• Spread: 30–60 cm

• Flowering: March–May

• Position: Full sun

• Soil: Well-drained, light, sandy soil

• Uses: Rock gardens, edging, walls, groundcover

Sowing & Growing

• Sow indoors: February–April in trays with light cover

• Germination: 14–21 days at 18–22°C

• Transplant seedlings outdoors after frost, spacing 20–30 cm apart

• Prefers full sun and well-drained soil

• Trim lightly after flowering to maintain compact growth

Rock Cress ‘Cascade Blue’ – Seeds (Aubrieta cultorum)

Rock Cress ‘Cascade Blue’ (Aubrieta cultorum) is a hardy, low-growing perennial renowned for its vibrant blue-purple flowers that carpet the garden in spring. Ideal for rockeries, walls, borders, and cascading over edges, this compact plant forms a dense mat of foliage with long-lasting blooms. Easy to grow and drought-tolerant once established, it provides early-season color and attracts pollinators such as bees and butterflies.

Why Grow "Cascade Blue"

• Stunning blue-purple blooms in early spring

• Forms a dense, trailing mat perfect for rockeries and edges

• Hardy, low-maintenance, and drought-tolerant

• Attracts pollinators to your garden

Key Features

• Type: Perennial (Aubrieta cultorum)

• Height: 15–20 cm

• Flowering: Early to mid-spring

• Position: Full sun to partial shade

• Uses: Rock gardens, borders, walls, cascading over edges, pollinator-friendly gardens

Ideal For

• Rockeries and alpine gardens

• Border edging and ground cover

• Walls, steps, and raised beds

• Pollinator-friendly spring displays

Sowing & Growing

• Sow indoors: February–March in trays or pots

• Sow outdoors: April–May directly in soil

• Germination: 14–21 days at 15–20°C

• Thin seedlings 15–20 cm apart

• Prefers well-drained soil in full sun to partial shade

Rock Cress Cascade ‘Leichtlinii’ – Seeds

(Aubrieta cultorum)

Rock Cress Cascade ‘Leichtlinii’ is a hardy perennial that forms a dense, cascading mat of vibrant purple flowers in spring. Perfect for rockeries, walls, and borders, its low-growing habit and abundant blooms create a stunning floral carpet. It’s drought-tolerant, easy to grow, and attracts pollinators.

Why Grow Rock Cress ‘Leichtlinii’?

• Dense cascading growth with vibrant purple flowers

• Hardy perennial with long-lasting spring blooms

• Excellent for rockeries, walls, and borders

• Attracts bees and butterflies

Key Features

• Type: Perennial

• Height: 10–15 cm

• Flowers: Spring

• Position: Full sun to partial shade

• Soil: Well-drained, moderately fertile

Ideal For

• Rockeries and alpine gardens

• Walls, slopes, and borders

• Pollinator-friendly plantings

• Low-maintenance groundcover

Sowing & Growing

• Sow indoors: February–April in seed trays

• Sow outdoors: April–May directly in prepared soil

• Germination: 14–21 days at 18–20°C

• Spacing: 15–20 cm apart

• Care: Minimal maintenance; trim after flowering to maintain shape

Red Valerian Seeds (Centranthus ruber)

The Red Valerian is a long-flowering perennial that produces clusters of bright crimson-red blooms from early summer to autumn. Its upright stems and grey-green foliage make it a striking addition to borders, cottage gardens, and wildflower-style plantings. Easy to grow and drought-tolerant once established, it thrives even in poor soils and rocky areas, while attracting butterflies and bees.

What Makes It Special

• Long-lasting blooms in vibrant crimson-red

• Thrives in dry, poor soils with little care

• A pollinator magnet for butterflies and bees

Key Features

• Botanical name: Centranthus ruber

• Hardy perennial

• Height: 60–90 cm (24–36 in)

• Bloom time: Early summer to autumn

Ideal For

• Cottage and wildflower gardens

• Dry, rocky or poor soils

• Wildlife-friendly planting

Sowing

• Sow indoors Feb–Apr or outdoors May–Jun

• Cover seeds lightly with soil

• Germination: 14–21 days at 18–22°C

• Thin seedlings 30 cm apart

• Flowers from the first year if sown early

Purple Loosestrife Seeds (Lythrum salicaria)

A striking perennial, Purple Loosestrife produces tall spikes of vibrant purple flowers throughout summer. Hardy and long-flowering, it adds vertical interest and color to borders, wetlands, and naturalistic garden plantings, attracting bees and butterflies.

What Makes It Special

• Tall spikes of vivid purple flowers

• Hardy, long-lasting perennial with dramatic vertical presence

• Attracts pollinators, supporting wildlife-friendly gardens

Key Features

• Botanical name: Lythrum salicaria

• Hardy perennial

• Height: 100–150 cm (3–5 ft)

• Bloom time: Summer

Ideal For

• Garden borders and wetland-style plantings

• Naturalistic and cottage-style gardens

• Pollinator-friendly landscapes

Sowing

• Sow indoors Feb–Apr or outdoors Mar–May

• Cover lightly with soil and keep moist

• Germination: 14–28 days at 15–20°C

• Thin seedlings 30–40 cm apart

• Flowers in the first or second season after sowing

Purple Coneflower 'Starlight' – Seeds

(Echinacea purpurea)

Purple Coneflower 'Starlight' is a hardy perennial known for its striking lavender-purple petals surrounding a prominent orange-brown central cone. Its long-lasting blooms attract pollinators like bees and butterflies, while its robust, upright growth makes it a standout in borders, wildflower meadows, and perennial gardens. This variety is low-maintenance and drought-tolerant, perfect for sustainable planting.

Key Features

• Type: Perennial

• Height: 60–90 cm

• Spread: 40–50 cm

• Flowering: July–September

• Position: Full sun to partial shade

• Soil: Well-drained, moderately fertile

Ideal For

• Perennial borders and cottage gardens

• Pollinator-friendly planting

• Cut flower arrangements

• Naturalized or meadow-style gardens

Sowing & Growing

• Sow indoors: February–April at 18–22°C

• Sow outdoors: April–May, directly in soil

• Germination: 14–21 days

• Thin seedlings to 40–50 cm apart

• Mulch and water moderately; low-maintenance once established

Punching Balls Pink – Seeds (Polygonum capitatum)

Punching Balls Pink (Polygonum capitatum) is a charming perennial known for its dense, globe-shaped clusters of vibrant pink flowers. Blooming from late spring to early autumn, it creates a colorful, eye-catching display in borders, rockeries, and cottage gardens. Low-maintenance and easy to grow, this variety attracts pollinators and adds a bold, textured element to any garden space.

Why Grow "Punching Balls Pink"

• Globe-shaped clusters of bright pink flowers

• Long flowering season from late spring to early autumn

• Hardy, low-maintenance perennial

• Pollinator-friendly and visually striking

Key Features

• Type: Perennial (Polygonum capitatum)

• Height: 40–60 cm

• Flowering: Late spring to early autumn

• Position: Full sun to partial shade

• Uses: Borders, rockeries, cottage gardens, pollinator-friendly planting

Ideal For

• Bold, textured garden displays

• Borders and rockeries

• Cottage-style gardens

• Pollinator-friendly planting schemes

Sowing & Growing

• Sow indoors: February–April in trays or pots

• Sow outdoors: April–May after frost

• Germination: 10–20 days at 18–22°C

• Thin seedlings 30–40 cm apart

• Prefers well-drained soil in full sun to partial shade

• Water moderately until established

Primrose Flower ‘Showy Evening’ – Silky Orchid Pink – Seeds (Oenothera speciosa)

Primrose Flower ‘Showy Evening’ (Oenothera speciosa) is a charming perennial featuring silky orchid-pink flowers with a delicate, evening-blooming fragrance. Blooming from late spring to early summer, it forms a low-growing carpet of blooms perfect for borders, rockeries, and cottage gardens. Hardy, low-maintenance, and drought-tolerant, this primrose attracts pollinators and adds soft, romantic color to your garden.

Why Grow "Showy Evening"

• Silky orchid-pink flowers with evening fragrance

• Long flowering season from late spring to early summer

• Hardy, low-maintenance, and drought-tolerant perennial

• Pollinator-friendly and ideal for ground cover

Key Features

• Type: Perennial (Oenothera speciosa)

• Height: 20–30 cm

• Flowering: Late spring to early summer

• Position: Full sun to partial shade

• Uses: Borders, rockeries, cottage gardens, ground cover, pollinator-friendly gardens

Ideal For

• Ground cover and low-growing flower beds

• Cottage and rock gardens

• Pollinator-friendly planting schemes

• Adding soft, romantic color to borders and edges

Sowing & Growing

• Sow indoors: February–April in trays or pots

• Sow outdoors: April–May after frost

• Germination: 10–20 days at 18–22°C

• Thin seedlings 25–30 cm apart

• Prefers well-drained soil in full sun to partial shade

• Water moderately until established

Primrose Auricula Mixed – Seeds (Primula auricula pubescens)

Primrose Auricula Mixed (Primula auricula pubescens) is a treasured perennial, admired for its velvety, jewel-toned flowers often edged with a delicate dusting of silver or white. These compact plants bloom in spring, bringing old-world charm to borders, rock gardens, and containers. Hardy and long-lived, auriculas also provide early nectar for bees and pollinators.

Why Grow "Auricula Mixed"

• Striking mix of velvety, multi-colored blooms

• Hardy perennial with compact growth

• Flowers in spring, adding early garden color

• A traditional favorite among gardeners and collectors

Key Features

• Type: Perennial (Primula auricula pubescens)

• Height: 15–25 cm

• Flowering: April–June

• Position: Sun to partial shade

• Uses: Borders, rockeries, containers, collectors’ displays

Ideal For

• Adding spring charm to borders and beds

• Rock gardens and alpine plantings

• Patio pots and containers

• Collectors seeking unique and traditional varieties

Sowing & Growing

• Sow indoors: January–March in trays of fine compost

• Germination: 21–30 days at 15–18°C (may be slow and uneven)

• Transplant seedlings to small pots when large enough

• Plant out after frost, spacing 20 cm apart

• Prefers moist but well-drained soil in light shade