Overview

Matthiola sinuata is a bushy annual biennial in the genus Matthiola, part of the Brassicaceae family, with deciduous foliage. Matthiola sinuata grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include cottage and informal garden, wildlife gardens and flower borders and beds.

About

Matthiola sinuata, commonly known as sea stock, is a bushy deciduous plant within the genus Matthiola, which includes annuals, perennials, and subshrubs with simple or lobed foliage. It produces dense clusters of fragrant flowers with four petals arranged in terminal racemes or panicles. This cultivar thrives in full sun on south- or west-facing, sheltered sites with moist but well-drained loam soil of neutral pH. Hardy to UK zone H4, it is suited to cottage and informal gardens, wildlife gardens, and flower borders, with interest in spring and summer. Planting is best after the last frost, with seed sown in situ in spring for successive blooms.

Growing conditions

Best soil and position for Matthiola

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing
Exposure
Sheltered
UK hardiness
H4

Plant details

Matthiola sinuata size, habit and characteristics

Plant type
Annual Biennial
Habit
Bushy
Foliage
Deciduous
Suggested uses
Cottage and informal garden, Wildlife gardens, Flower borders and beds

Care notes

Pruning and caring for Matthiola sinuata

Propagation
Seed sown in situ in spring, and repeated later for a succession of flowers
Pest resistance
Aphids, Slugs and snails
Disease resistance
Club root, Downy mildews, Root rot, Virus

Frequently asked questions

Where is the best place to plant Matthiola sinuata?

Matthiola sinuata prefers full sun. It suits sheltered positions.

What soil does Matthiola sinuata need?

Matthiola sinuata grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.

Is Matthiola sinuata hardy in the UK?

Matthiola sinuata has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Matthiola sinuata?

Seed sown in situ in spring, and repeated later for a succession of flowers.

More in the Matthiola genus

Browse all Matthiola