What to plant in May in Finland

24 vegetables, fruits and herbs to sow or plant in May in Finland, for the climate around Helsinki area, Uusimaa, Finland.

Climate: A cold northern climate with a short growing season: frosts from roughly October to May, winter minima near -18 °C, mild summers around 12-22 °C, and fairly even rainfall with a wetter autumn.

Vegetables

  • Pea Pisum sativum

    Hardy seedlings tolerate light spring frosts and cool weather, and the long days give sweet, tender pods.

    Harvest: 60-70 daysEasyCare guide →

  • Spinach Spinacia oleracea

    It thrives in cool spring and autumn temperatures and bolts less in long northern days than in heat.

    Harvest: 40-50 daysEasyIn potsCare guide →

  • Lettuce Lactuca sativa

    Quick-growing leaves do well in the mild summer, and cool-season varieties resist early bolting.

    Harvest: 45-60 daysEasyIn potsCare guide →

  • Carrot Daucus carota

    Sandy or loamy soil warms up by late May, and cool autumns sweeten the roots.

    Harvest: 70-80 daysEasyIn potsCare guide →

  • Beetroot Beta vulgaris

    It tolerates the cool summer well and stores in the cellar through the long winter.

    Harvest: 55-65 daysEasyIn pots

  • Potato Solanum tuberosum

    Planted after the last frost, it yields well in the long summer days, and early varieties suit the short season.

    Harvest: 80-110 daysEasyIn pots

  • Radish Raphanus sativus

    Its fast crop fits the short spring and late summer windows between frosts.

    Harvest: 25-35 daysEasyIn pots

  • Onion Allium cepa

    Hardy sets planted in April or May mature before the autumn rains and store well.

    Harvest: 100-120 days from setsEasyIn potsCare guide →

  • Turnip Brassica rapa

    Cool autumn weather produces crisp, sweet roots, and the crop matures quickly.

    Harvest: 50-60 daysEasy

  • Rhubarb Rheum rhabarbarum

    A perennial that survives the coldest winters and returns every spring, needing only sun and rich soil.

    Harvest: 1-2 yearsEasy

  • Cabbage Brassica oleracea

    Hardy cabbage handles the cool summers and is best transplanted in late May or June for autumn heads.

    Harvest: 90-110 daysModerateCare guide →

  • Broad bean Vicia faba

    Hardy varieties sown in spring tolerate cold soil and yield well before the summer heat.

    Harvest: 80-100 daysEasy

Fruits

  • Redcurrant Ribes rubrum

    Very hardy bushes survive -30 °C winters and need the cool summers to set fruit.

    Harvest: 2-3 yearsEasy

  • Blackcurrant Ribes nigrum

    It is among the hardiest fruit crops and thrives on the long cool summers and wet autumns.

    Harvest: 2-3 yearsEasy

  • Raspberry Rubus idaeus

    Canes survive the winter minima, and the summer warmth ripens the berries in July.

    Harvest: 1-2 yearsEasyCare guide →

  • Strawberry Fragaria × ananassa

    Hardy plants survive under snow, and the long June days produce sweet berries.

    Harvest: 1 yearEasyIn potsCare guide →

  • Apple Malus domestica

    Cold-hardy apple trees on dwarfing rootstock survive winter lows and need warm summer days to ripen fruit.

    Harvest: 3-5 yearsModerateCare guide →

  • Haskap Lonicera caerulea

    This shrub is extremely hardy, flowers after frost, and fruits well in the cool northern summer.

    Harvest: 2-3 yearsEasy

  • Sea buckthorn Hippophae rhamnoides

    A native-style shrub that tolerates extreme cold and poor soil, and needs a male and a female plant to fruit.

    Harvest: 3-4 yearsModerate

Herbs

  • Chives Allium schoenoprasum

    A hardy perennial that regrows each spring and tolerates the frost.

    Harvest: 60-70 days from seedEasyIn potsCare guide →

  • Parsley Petroselinum crispum

    Cool summers keep it leafy, and it tolerates light frost into autumn.

    Harvest: 70-90 daysEasyIn potsCare guide →

  • Dill Anethum graveolens

    It grows quickly in the long northern summer days and self-seeds readily.

    Harvest: 40-60 daysEasyIn pots

  • Mint Mentha spicata

    A hardy perennial that thrives in moist soil and returns reliably each year.

    Harvest: 60-90 days from cuttingsEasyIn potsCare guide →

  • Lovage Levisticum officinale

    A very hardy perennial that comes back year after year in the cold climate.

    Harvest: 2 years from seedEasy