How to Grow Malva
'Snow White' from Seed
The white form of our native musk mallow, with clean white saucers over fine ferny leaves from June into September. Easy, wildlife-friendly and gently self-seeding.
Musk mallow is a British native, and one of the best behaved. This white form makes a rounded plant under a metre tall, with finely divided, ferny foliage and a long succession of clean white saucer-shaped flowers from June into September.
It is genuinely useful for wildlife, feeding bees and hoverflies steadily over a long season rather than in one short burst. Individual plants live three or four years, but it seeds itself gently, so there is always a replacement on the way.
Quick Facts at a Glance
Plant Type
Hardy perennial, UK native
Sowing Time
February to May
Flowering
June to September
Position
Sun or light shade
Height
Under 1m
Difficulty
1 out of 5, very easy
Understanding the Plant
'Snow White' is the white form of Malva moschata, the musk mallow of British meadows, hedgerows and field edges. It is a hardy perennial that forms a bushy clump of feathery leaves topped with open, five-petalled flowers.
As a native plant, it fits naturally into wildflower plantings and cottage borders, and it asks for very little beyond reasonable drainage.
Cut back for a second flush
After the first big flush of flowers in early summer, cut the plant back by about half. It will reshoot and give a second, smaller flush in late summer.
When & How to Sow
Sow under cover from February to April, or in pots outdoors in April and May.
For wildflower areas
Plant young musk mallows into gaps in a meadow or rough grass area. They establish more reliably from plants than from seed scattered into existing turf.
Sow 5mm deep. Sow a few seeds per pot or module and cover lightly. Keep at 15 to 20°C under cover, or in a sheltered spot outside. Seedlings appear in one to three weeks.
Pot on. Thin to one per module and pot on once roots fill the cell.
Plant out. Plant out from May to June, around 45cm apart, in sun or light shade and any well-drained soil.
Growing On Tips
Easy position
Grows in sun or light shade and most soils, provided drainage is reasonable.
Long wildlife season
Bees and hoverflies visit steadily from June to September.
Mid-season cut
Cut back after the first flush for fresh growth and more flowers.
Gentle self-seeder
Seedlings appear around established plants to replace older ones.
Drought tolerant
Water young plants until established; mature plants rarely need it.
Soft white
The clean white flowers brighten shady corners and suit white or pastel schemes.
Common Problems & How to Fix Them
| Problem | Likely Cause | What to Do |
|---|---|---|
| Orange spots under leaves | Mallow rust | Remove affected leaves and cut back hard after flowering. |
| Plants leggy and floppy | Rich soil or too much shade | Grow in leaner soil with more sun, or cut back mid-season. |
| Plants disappear after a few years | Short natural lifespan | Normal. Let self-sown seedlings take over. |
| Young plants eaten | Slugs and snails | Protect young plants until established. |
| Some flowers faintly pink | Natural variation | Occasional blush is normal in seed-raised white forms. |
When to Expect Flowers
Well-established plants flower from June to September. Early-sown plants may give some flowers in late summer of their first year, and flower fully from the second.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 🌱 Sow | ||||||||||||
| 🪴 Plant out | ||||||||||||
| 🌸 Flowering |
Plant Specifications
White musk mallow for a long wildlife season
Sow in spring, plant into any well-drained spot, and enjoy clean white flowers humming with bees from June to September, year after year.
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