How do you protect roses for winter?
By Service Plus Stockholm ABUpdated 4 min read
Short answer
How do you protect roses for winter in Stockholm's climate?
Roses in the Stockholm area are protected by mounding soil or bark around the base of the stem 15–20 cm high in late October or early November, after the first frosty nights but before the ground freezes. Climbing roses and more delicate varieties should also be covered with spruce branches or fleece, while hardy shrub roses often manage with mounding alone. Pruning should be light in autumn and more thorough in spring, since hard autumn pruning makes the rose more vulnerable to cold.
When should you start protecting your roses?
The right timing in the Stockholm area is after the first light frosty nights but before the ground freezes solid, usually between late October and mid-November. If you mound too early, while it is still mild, the rose may keep growing under the cover and become soft and prone to rot. Wait until the leaves have fallen or withered and the temperature has stayed below zero for a few nights in a row.
- Follow SMHI's forecasts for the first autumn frosts
- Mound on a dry day if possible so the soil or bark doesn't get wet and compact
- Do it before the ground has frozen hard, otherwise the soil becomes difficult to work with
How we protect roses for winter
A rose rarely suffers from the cold itself but from the swings between frost and thaw, and the job of the protection is to keep the temperature at the base even. We mound soil or bark mulch around the graft union rather than the whole bush, and we do not take the soil from the bed alongside where the roots sit.
Timing matters more than quantity: protection put on too early holds moisture and brings mould, too late comes after the damage is done. We do the winter protection as part of the autumn clean-up and take it off in spring during the spring clean-up, so it does not sit there too long.
Do all roses need the same protection?
No, the need for protection varies greatly between rose varieties. Hardy shrub roses and park roses suited to zone 3–4 often manage with mounding alone, while tea-floribunda, large-flowered and climbing roses are more sensitive and may need extra covering.
- Shrub roses and park roses, such as rugosa types, usually only need mounding
- Tea-floribunda and large-flowered roses benefit from spruce branches or fleece in addition to mounding
- Climbing roses should be carefully loosened from their trellis, bent down towards the ground and covered with spruce branches or straw
- Potted roses are especially vulnerable and should be moved to a cool, frost-free space or buried in the ground together with the pot
How should pruning be handled before winter?
Autumn pruning of roses should be light, not hard. Remove diseased, damaged or very long shoots that could otherwise snap under snow and wind, but save the actual shaping cut for spring. Hard pruning in autumn means the rose enters winter with open wounds that are vulnerable to cold and fungal attack.
- Shorten very long shoots by a third to reduce wind resistance
- Remove dead, brown or fungus-affected branches
- Clear away fallen rose leaves around the bush to reduce the risk of black spot disease next season
- Save the major rejuvenation pruning for March or April
How does Service Plus help with winter protection of roses?
Service Plus Stockholm AB helps homeowners and housing cooperatives (BRF) with autumn garden work, from mounding and light pruning of roses to general garden cleanup before winter. Flora, Service Plus's specialist in planting and bed care, assesses each rose based on variety and location and decides which protection suits it best before work begins, and provides a free quote with a clear price.
Common follow-up questions
Can you use fleece instead of spruce branches on roses?
Yes, fleece works well as protection against wind and cold, especially for climbing roses and delicate varieties, but it should be combined with mounding soil around the base of the stem to protect the graft union itself.
What happens if you forget to protect your roses for winter?
Unprotected roses risk having the graft union freeze and die, which causes the whole bush to die back to the rootstock and often fail to bloom as intended the following season.
When do you remove the winter protection in spring?
The mound and spruce branches are removed gradually once the risk of hard night frost has decreased, usually during March or April in the Stockholm area, so the rose doesn't risk rotting under the cover.
Does winter protection of roses qualify for the RUT deduction?
The labour cost for garden care such as mounding and pruning can qualify for the RUT deduction of up to 50 percent, while materials like spruce branches, bark or fleece are not covered.
