What to plant in March in United States

11 vegetables, fruits and herbs to sow or plant in March in United States, for the climate around Lehigh Valley, Pennsylvania, USA.

Climate: A cold continental temperate climate with hard winters (nights to -16 °C, frost roughly November to March), warm humid summers up to 39 °C, and rain spread evenly through the year with a wetter July to September.

Vegetables

  • Lettuce Lactuca sativa

    Cool spring and autumn weather suits lettuce, and it can be sown again for a fall crop.

    Harvest: 40–60 daysEasyIn potsCare guide →

  • Spinach Spinacia oleracea

    It thrives in the cool shoulder seasons and tolerates light frost.

    Harvest: 40–50 daysEasyIn potsCare guide →

  • Kale Brassica oleracea

    Kale survives cold nights and sweetens after autumn frosts.

    Harvest: 55–70 daysEasyIn potsCare guide →

  • Carrot Daucus carota

    Loose soil warms in spring and carrots can be sown in succession through summer.

    Harvest: 70–80 daysEasyIn potsCare guide →

  • Garden pea Pisum sativum

    Peas are sown early, before the heat, and tolerate the cool spring frosts.

    Harvest: 60–70 daysEasyCare guide →

  • Onion Allium cepa

    Onion sets planted in early spring mature well before the summer heat.

    Harvest: 100–120 daysEasyCare guide →

Fruits

  • Raspberry Rubus idaeus

    Canes are very cold hardy and the summer rain keeps the fruit plump.

    Harvest: 1–2 yearsEasyCare guide →

  • Apple Malus domestica

    Apple trees are hardy to far below -16 °C and need the cold winters to set fruit.

    Harvest: 3–5 yearsModerateCare guide →

  • Sour cherry Prunus cerasus

    Sour cherries are hardy and self-fertile enough to fruit reliably in this climate.

    Harvest: 3–5 yearsModerate

  • Pear Pyrus communis

    Pears tolerate the cold winters and benefit from the warm late summers.

    Harvest: 4–6 yearsModerate

Herbs

  • Chives Allium schoenoprasum

    Chives are fully hardy perennials that return every spring.

    Harvest: 60–90 daysEasyIn potsCare guide →