What to sow in Edinburgh in December
In December, Edinburgh averages 6 °C, with nights around 4 °C.
Frosty nights are usual from November to March: the last frost typically comes in March.
A typical winter's coldest night: −4 °C.
Warmest month (15 °C or more on average): July.
Sow outdoors
- Lettuce (Lactuca sativa)
- Spinach (Spinacia oleracea)
- Borage (Borago officinalis)
- Garden cress (Lepidium sativum)
- Mountain arnica (Arnica montana)
- Turnip-root chervil (Chaerophyllum bulbosum)
- Alfalfa (Medicago sativa)
- Phacelia tanacetifolia
- White mustard (Sinapis alba)
- White clover (Trifolium repens)
- Winter vetch (Vicia villosa)
- Chervil (Anthriscus cerefolium)
- Lavender (Lavandula angustifolia)
- Maca (Lepidium meyenii)
- Sweet Chestnut (Castanea sativa)
- Caper (Capparis spinosa)
- Liquorice (Glycyrrhiza glabra)
- Sea-buckthorn (Hippophae rhamnoides)
- Thymus maroccanus
- Breckland thyme (Thymus serpyllum)
- Indian shot (Canna indica)
- Elder (Sambucus nigra)
- Saskatoon (Amelanchier alnifolia)
- Mountain Pine (Pinus mugo)
Sow indoors
In pots or trays somewhere warm, to plant out later.
- Pacific Silver Fir (Abies amabilis)
- Downy birch (Betula pubescens)
- Canadian dwarf cornel (Cornus canadensis)
- Great angelica (Angelica atropurpurea)
- Indian-hemp (Apocynum cannabinum)
New next month, in January
- Celery (Apium graveolens)
- Beet (Beta vulgaris)
- Endive (Cichorium endivia)
- Cabbage (Brassica oleracea)
- French bean (Phaseolus vulgaris)
- Rape (Brassica napus)
- Parsnip (Pastinaca sativa)
- Brown mustard (Brassica juncea)
- Coriander (Coriandrum sativum)
- Dill (Anethum graveolens)
- Arrach (Atriplex hortensis)
- Pot marigold (Calendula officinalis)
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Month by month
Worked out from the last ten years of Edinburgh's climate and each plant's needs: germination temperature, frost limit and time to harvest.