What to plant in September in Switzerland
6 vegetables, fruits and herbs to sow or plant in September in Switzerland, for the climate around Eastern Switzerland near Liechtenstein and Lake Constance, Northern Hemisphere.
Climate: Cold continental winters with hard frosts down to about -30 °C from November to March, a short frost-free season from roughly May to September, and rain spread through the year with peaks in autumn and summer.
Vegetables
Lettuce Lactuca sativa
Quick and cool-tolerant, lettuce can be sown in succession from spring until early autumn.
Harvest: 45–60 daysEasyIn potsCare guide →
Spinach Spinacia oleracea
Spinach handles frost and cool weather, so it works in early spring and again in late summer.
Harvest: 40–50 daysEasyIn potsCare guide →
Radish Raphanus sativus
Radishes are fast and cool-tolerant, so they fit into gaps in spring and early autumn.
Harvest: 25–35 daysEasyIn pots
Fruits
Strawberry Fragaria × ananassa
Strawberry plants are fully hardy and their runners root easily in the moist summers.
Harvest: 1 yearEasyIn potsCare guide →
Herbs
Chives Allium schoenoprasum
Chives are fully hardy and return every spring from the bulbs.
Harvest: 60–90 daysEasyIn potsCare guide →
Spearmint Mentha spicata
Spearmint is fully hardy and spreads vigorously, so it is best kept in a pot.
Harvest: 60–80 daysEasyIn potsCare guide →