What to sow in Dublin in March
In March, Dublin averages 7 °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
- Onion (Allium cepa)
- Beet (Beta vulgaris)
- Endive (Cichorium endivia)
- Chicory (Cichorium intybus)
- Fennel (Foeniculum vulgare)
- Lettuce (Lactuca sativa)
- Cabbage (Brassica oleracea)
- Chives (Allium schoenoprasum)
- French bean (Phaseolus vulgaris)
- Spinach (Spinacia oleracea)
- Rape (Brassica napus)
- Salsify (Tragopogon porrifolius)
- Quinoa (Chenopodium quinoa)
- Bird's-foot trefoil (Lotus corniculatus)
- Winter savory (Satureja montana)
- Brown mustard (Brassica juncea)
- Chinese chives (Allium tuberosum)
- Coriander (Coriandrum sativum)
- Dill (Anethum graveolens)
- Arrach (Atriplex hortensis)
- Borage (Borago officinalis)
- Figleaf gourd (Cucurbita ficifolia)
- Garden cress (Lepidium sativum)
- Opium Poppy (Papaver somniferum)
Sow indoors
In pots or trays somewhere warm, to plant out later.
- Celery (Apium graveolens)
- Parsley (Petroselinum crispum)
- Welsh onion (Allium fistulosum)
- Carrot (Daucus carota)
- Pea (Pisum sativum)
- Asparagus officinalis
- Parsnip (Pastinaca sativa)
- Cape Gooseberry (Physalis peruviana)
- Pot marigold (Calendula officinalis)
- Mexican groundcherry (Physalis philadelphica)
- Foxtail millet (Setaria italica)
- Common Poppy (Papaver rhoeas)
- Nasturtium (Tropaeolum majus)
- Tobacco (Nicotiana tabacum)
- Scarlet runner (Phaseolus coccineus)
- Rocket (Eruca sativa)
- Fenugreek (Trigonella foenum-graecum)
- Crimson Clover (Trifolium incarnatum)
- Garden leek (Allium porrum)
- Lemon (Citrus limon)
- Tree tomato (Cyphomandra betacea)
- Macadamia nut (Macadamia integrifolia)
- Apple (Malus domestica)
- Banana passion (Passiflora mollissima)
New next month, in April
- Radish (Raphanus sativus)
- Sweet wormwood (Artemisia annua)
- Eastern purple coneflower (Echinacea purpurea)
- Aztec tobacco (Nicotiana rustica)
- Marshmallow (Althaea officinalis)
- Sainfoin (Onobrychis viciifolia)
- Abyssinian banana (Ensete ventricosum)
- Dogwood (Rhamnus prinoides)
- East African camphor wood (Kuloa usambarensis)
- Anu (Tropaeolum tuberosum)
- Candelabra aloe (Aloe arborescens)
- Cape aloe (Aloe ferox)
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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.