Rutabaga: Sowing, planting and harvest calendar
How do you sow rutabagas outdoors?
Sow swedes directly where they will grow, generally from late spring to early summer in a temperate climate. Adjust the timing to your region and the variety’s seed packet. Choose a bright, preferably sunny position with fertile soil that stays moist but drains well. Remove competing weeds and prepare a fine surface without large stones.
Mature compost may help depending on the ground. Do not assume an acidic pH of 5.5 to 6.5 is required: if you suspect an acidity problem, check the soil before choosing an amendment. Avoid automatic additions without considering existing fertility.
Make shallow drills, spread seeds thinly and cover with about 1 to 2 cm of soil, following the packet. Leave roughly 35 to 45 cm between rows for access. Water gently and keep the seedbed moist without standing water. As soon as seedlings are large enough to handle, thin to around 20 to 25 cm within the row, depending on variety and intended harvest size. Watch the young shoots, particularly for damage from flea beetles or slugs.
How to care for this plant
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Thin seedlings
Once your swede seedlings are large enough to handle, remove surplus plants. Leave about 20–25 cm between plants intended to form full-sized roots, adjusting the spacing to the variety and root size you want.
How do you harvest rutabagas?