How to Grow Sage UK

On this page
  1. Sage (Salvia officinalis)
  2. When to Plant Sage in the UK
  3. Quick Facts
  4. At a Glance
  5. Soil & Growing Conditions
  6. Growth Stages
  7. Harvest & Storage
  8. Diseases
  9. Pests
  10. Sage, a Reliable Mediterranean Culinary Herb
  11. Plan your Sage planting
  12. Growing Sage in another region
  13. References
  14. Frequently Asked Questions

In the UK, sage goes in the ground early March to early April.

Timing is the decision that matters most in the UK: sowing early March, and that same window applies across all 4 regions covered here.

The short answer

Plant
Early March to early April
Site
6+ hours of sun, soil pH 6–8
Biggest risk
Honey fungus

Core growing advice on this page is checked against named horticultural sources — see References.

Sage (Salvia officinalis)

A flowering sage spike with purple-blue blooms — “Salvia officinalis (Common Name-"Common sage") in Tashkent Botanical Garden” by Humoyun Mehridinov is licensed under CC BY-SA 4.0.

9 sources cited · Verified

When to Plant Sage in the UK

When to plant sage in the UK: in Southern England, sow early March to early April. Find your area in the table below.

Sage blooming in its natural habitat on a dyke — “Hessenaue, blooming sage on dyke” by Gerda Arendt is licensed under CC BY-SA 4.0.
“Hessenaue, blooming sage on dyke” by Gerda Arendt is licensed under CC BY-SA 4.0.
Region Sow
Southern England early March to early April
Midlands early March to early April
Northern England early March to early April
Scotland early March to early April
Southern England - detail & sources

RHS recommends seed sowing in spring or softwood cuttings in early summer; a single spring propagation window is applied uniformly across all four sub-regions since RHS gives no UK-region-specific gradient.

Midlands - detail & sources

RHS recommends seed sowing in spring or softwood cuttings in early summer; a single spring propagation window is applied uniformly across all four sub-regions since RHS gives no UK-region-specific gradient.

Northern England - detail & sources

RHS recommends seed sowing in spring or softwood cuttings in early summer; a single spring propagation window is applied uniformly across all four sub-regions since RHS gives no UK-region-specific gradient.

Scotland - detail & sources

RHS recommends seed sowing in spring or softwood cuttings in early summer; a single spring propagation window is applied uniformly across all four sub-regions since RHS gives no UK-region-specific gradient.

A page from the UK Vegetable Garden Planner PDF: the crop rotation planner, with a planning grid and four-bed rotation tips

Plan your sages — and the rest of the plot

This page covers sages. For every crop's sowing months on one chart, use the free UK vegetable planting calendar, and browse the UK vegetable growing guides for what else to grow alongside it. When you want the whole season on paper, the UK Vegetable Garden Planner is a printable PDF:

  • Twelve month-by-month sowing and harvest spreads
  • Raised bed, allotment and container layout pages for your own plot
  • A four-year crop rotation planner
  • Seed inventory, sowing log and harvest tracker
See inside the UK Vegetable Garden Planner →

Instant PDF download · reprint every season

Quick Facts

A flowering sage spike with purple-blue blooms — “Salvia officinalis (Common Name-"Common sage") in Tashkent Botanical Garden” by Humoyun Mehridinov is licensed under CC BY-SA 4.0.
“Salvia officinalis (Common Name-"Common sage") in Tashkent Botanical Garden” by Humoyun Mehridinov is licensed under CC BY-SA 4.0.
Factor Value
Soil pH 6 - 8
Sunlight 6-6 hours direct sun
Minimum survivable temp -15°C
Soil texture Chalk, loam, sand
Drainage Well-drained
Lifecycle perennial
Edible parts leaves

At a Glance

A flowering sage spike with purple-blue blooms — “Salvia officinalis (Common Name-"Common sage") in Tashkent Botanical Garden” by Humoyun Mehridinov is licensed under CC BY-SA 4.0.
“Salvia officinalis (Common Name-"Common sage") in Tashkent Botanical Garden” by Humoyun Mehridinov is licensed under CC BY-SA 4.0.
Salvia officinalis Sage Honey fungus Powdery mildew Verticillium wilt Root rot (sage, causal… Foot and root rot (gene… Rosemary beetle Sage leafhopper (leafho… Capsid bugs Slugs Glasshouse red spider m… Spittlebug (cuckoo spit) DISEASES PESTS

Soil & Growing Conditions

Close-up of grey-green sage foliage — “Sage0” by Tiefnig0815 is licensed under CC BY-SA 4.0.
“Sage0” by Tiefnig0815 is licensed under CC BY-SA 4.0.

Soil pH range

6 8

Span reflects genuine variation between the cited authorities, not a single agreed figure.

Growth Stages

Sage blooming in its natural habitat on a dyke — “Hessenaue, blooming sage on dyke” by Gerda Arendt is licensed under CC BY-SA 4.0.
“Hessenaue, blooming sage on dyke” by Gerda Arendt is licensed under CC BY-SA 4.0.
Stage BBCH Notes
Propagation 0 Propagate by seed sown in spring or softwood cuttings in early summer (RHS).
Establishment 3 Establishes as a bushy evergreen sub-shrub in full sun on well-drained soil (RHS).
Flowering 6 Produces pale blue flowers in early summer, typical of the Lamiaceae family (RHS).
Mature shrub 9 Reaches full maturity over 2-5 years, 0.5-1m in height and spread (RHS).

Harvest & Storage

Close-up of grey-green sage foliage — “Sage0” by Tiefnig0815 is licensed under CC BY-SA 4.0.
“Sage0” by Tiefnig0815 is licensed under CC BY-SA 4.0.

When to pick: Common sage can be grown from seed, but plants will take at least a year to grow large enough to reach harvesting size, and it is much quicker and easier to start with bought plants or cuttings (RHS)

Storage

Fresh and dried leaves used for culinary purposes (RHS)

Diseases

A slug feeding on a sage leaf — “Salbei Schnecken Fraß-1-Josef Schlaghecken” by Schlaghecken Josef is licensed under CC BY 4.0.
“Salbei Schnecken Fraß-1-Josef Schlaghecken” by Schlaghecken Josef is licensed under CC BY 4.0.
Honey fungus

Armillaria spp.

Verticillium wilt

Verticillium dahliae

Root rot (sage, causal agent not yet confirmed)
Foot and root rot (general)
low

RHS names this directly.

Pests

A caterpillar curled on a sage leaf — “Salbei Raupenfraß -4-Josef Schlaghecken” by Schlaghecken Josef is licensed under CC BY 4.0.
“Salbei Raupenfraß -4-Josef Schlaghecken” by Schlaghecken Josef is licensed under CC BY 4.0.
Rosemary beetle

Chrysolina americana

Sage leafhopper (leafhoppers)

Eupteryx spp.

Capsid bugs

Miridae

Slugs

Gastropoda (slugs, various spp.)

Two-spotted red spider mite with silk threads, magnified — Gilles San Martin, CC BY-SA 2.0
Gilles San Martin, CC BY-SA 2.0
Glasshouse red spider mite (two-spotted spider mite)

Tetranychus urticae

Spittlebug (cuckoo spit)

Philaenus spumarius

Plan your Sage planting

When to sow and plant Sage depends on your own frost dates. Check the UK vegetable planting calendar. To work out where it fits in your beds, sketch your plot in the free Garden Layout Planner.

Growing Sage in another region

Sowing dates, frost timing and local advice differ by country. Use the guide for where you garden.

References

  1. RHS factsheet on glasshouse red spider mite (two-spotted spider mite), naming tomato and strawberry among the host plants affected under glass or in a polytunnel.

  2. RHS explicitly advises against slug pellets (even organic) due to wildlife harm, and cites RHS's own controlled trial finding no damage reduction from physical barriers (copper tape, bark mulch, eggshell, grit, wool) -- while also noting some other studies have shown copper barriers to repel slugs, a preserved disagreement rather than a silently resolved one. Details Nemaslug (Phasmarhabditis hermaphrodita) biological control including application temperature range and its lack of effect on snails specifically.

9 independent sources are cited for this crop. Where they disagree - soil pH is the clearest case - every figure is preserved rather than averaged into false precision.

Frequently Asked Questions

When should I sow sage in the UK?

In Southern England, from early March. In Scotland, wait until early March. Treat these as a guide rather than a fixed date — the governing rule is to sow only once frost risk has passed and temperatures are reliably warm enough.

When do I sow sage?

Sow early March to early April.

What soil pH does sage need?

A pH of about 6–8. That span reflects genuine variation between the authorities we cite rather than a single agreed figure — the References section lists each source's exact range.

What problems affect sage?

Our data links 5 diseases and 6 pests to this crop. See the sections above for each one and how to manage it.

Plan next season before the problems start

Most of the advice on this page comes down to timing and spacing — sowing at the right moment, rotating beds, and giving plants enough airflow. The UK Garden Planner lays your plot out month by month so those decisions are already made before the season starts.

Get the UK Garden Planner →

Instant PDF download · Written for UK growing conditions

SoilCommander Editorial Team — under the guidance of Nitin Sharma, Co-Founder

Every growing guide is checked against RHS, USDA Cooperative Extension, and other named horticultural authorities before publishing. How we check our facts.

How this guide is put together

The growing data on this page — sowing windows, pests, diseases, soil and site requirements — comes from named horticultural sources, listed in References below, checked against RHS and Met Office guidance. An automated pipeline assembles that verified data into the page you're reading: it selects which facts to lead with and builds the surrounding prose and layout. It does not invent a date, a source or a number — where a verified value for a field isn't available, the page leaves it out rather than guessing. A person reviews and publishes each page; nothing goes live unverified.

Vegetable Growing Guides UK

Last verified 2026-08-29

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This guide in another region
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