What to sow in Dublin in January
In January, Dublin averages 6 °C, with nights around 4 °C.
Frosty nights are usual from December to February: the last frost typically comes in February.
A typical winter's coldest night: −1 °C.
Warm months (15 °C or more on average): July to August.
Sow outdoors
- Lettuce (Lactuca sativa)
- Spinach (Spinacia oleracea)
- Borage (Borago officinalis)
- Garden cress (Lepidium sativum)
- Mountain arnica (Arnica montana)
- Turnip-root chervil (Chaerophyllum bulbosum)
- Rhubarb (Rheum rhabarbarum)
- Alfalfa (Medicago sativa)
- Phacelia tanacetifolia
- White mustard (Sinapis alba)
- White clover (Trifolium repens)
- Winter vetch (Vicia villosa)
- Chervil (Anthriscus cerefolium)
- Lavender (Lavandula angustifolia)
- Amatungulu (Carissa macrocarpa)
- Maca (Lepidium meyenii)
- Watercress (Nasturtium officinale)
- Sweet Chestnut (Castanea sativa)
- Caper (Capparis spinosa)
- Ash (Fraxinus excelsior)
- Liquorice (Glycyrrhiza glabra)
- Sea-buckthorn (Hippophae rhamnoides)
- Norway spruce (Picea abies)
- Oak (Quercus robur)
Sow indoors
In pots or trays somewhere warm, to plant out later.
- Celery (Apium graveolens)
- Endive (Cichorium endivia)
- Carrot (Daucus carota)
- French bean (Phaseolus vulgaris)
- Pea (Pisum sativum)
- Asparagus officinalis
- Parsnip (Pastinaca sativa)
- Winter savory (Satureja montana)
- Brown mustard (Brassica juncea)
- Coriander (Coriandrum sativum)
- Dill (Anethum graveolens)
- Arrach (Atriplex hortensis)
- Pot marigold (Calendula officinalis)
- Mexican groundcherry (Physalis philadelphica)
- Crown daisy (Glebionis coronaria)
- Buckwheat (Fagopyrum esculentum)
- Cardoon (Cynara cardunculus)
- Hyssop (Hyssopus officinalis)
- Crimson Clover (Trifolium incarnatum)
- Garden leek (Allium porrum)
- Southern Silky-oak (Grevillea robusta)
- Macadamia nut (Macadamia integrifolia)
- Apple (Malus domestica)
- Banana passion (Passiflora mollissima)
New next month, in February
- Onion (Allium cepa)
- Beet (Beta vulgaris)
- Chicory (Cichorium intybus)
- Fennel (Foeniculum vulgare)
- Welsh onion (Allium fistulosum)
- Cabbage (Brassica oleracea)
- Chives (Allium schoenoprasum)
- Rape (Brassica napus)
- Salsify (Tragopogon porrifolius)
- Quinoa (Chenopodium quinoa)
- Bird's-foot trefoil (Lotus corniculatus)
- Cape Gooseberry (Physalis peruviana)
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Month by month
Worked out from the last ten years of Dublin's climate and each plant's needs: germination temperature, frost limit and time to harvest.