What to plant in September in Belgium
6 vegetables, fruits and herbs to sow or plant in September in Belgium, for the climate around Rotterdam area, South Holland, Netherlands.
Climate: Cool temperate maritime climate with mild, wet winters (lows around -4 °C), cool summers peaking near 20 °C, and rain spread through the year with a wetter autumn.
Vegetables
Lettuce Lactuca sativa
Cool, moist springs and autumns suit lettuce, and it can be sown in succession for much of the season.
Harvest: 45–60 daysEasyIn potsCare guide →
Spinach Spinacia oleracea
It bolts in heat but thrives in the cool spring and autumn conditions of this coastal climate.
Harvest: 40–50 daysEasyIn potsCare guide →
Radish Raphanus sativus
Fast-growing radishes can be sown almost all season and finish quickly in mild weather.
Harvest: 25–35 daysEasyIn pots
Fruits
Strawberry Fragaria × ananassa
Cool, moist summers and frost-hardy plants make strawberries very productive here.
Harvest: 60–90 days after plantingEasyIn potsCare guide →
Herbs
Spearmint Mentha spicata
Fully hardy and vigorous in the damp, mild summers, though best kept in a container.
Harvest: 60–70 daysEasyIn potsCare guide →
Chives Allium schoenoprasum
Fully hardy perennial that regrows each spring and tolerates wet winters.
Harvest: 60–90 days from sowingEasyIn potsCare guide →