Sill/Patch Start free ›

Swede

Brassica napus var. napobrassica

Also called Rutabaga and Neep

Garden plant · Herbs, veg & fruit

SOW IT IN JUNE, not spring. Sown early it bolts and gets mildew; sown late it swells through autumn and the frost makes it sweet.

Care at a glance

Ease
Easy
Water
Every 4 daysWater the ground — water at the base, in the morning, not over the leaves.
Light
Full sun
Feed
Every 21 days
Humidity
Average
Hardiness
Hardy — a cold winter RHS H5, to -15°C
Size
0.4 m tall · 0.4 m across
Lifecycle
Annual
Origin
A cross of cabbage and turnip

Is it safe for pets and people?

PetsToxic to pets

Affects horses. Signs: stomach and gut irritation, with belly pain (colic).

PeopleNot checked yet

Nobody has checked this one against a source for us yet, so treat it as unknown rather than safe.

Checked against ASPCA and RHS on 2026-08-04.

A guide, not veterinary or medical advice. If a pet or a person has eaten a plant and you are worried, call your vet or doctor now — don’t wait for signs to appear. Spotted a mistake? Tell us.

More herbs, veg & fruit