Allium schoenoprasum
Chives are a classic perennial kitchen herb from the onion family, smelling and tasting strongly of onion. It has thin green strap-like leaves and purple flower umbels, all edible and used commonly as an ingredient in a wide variety of dishes. Chives have insect-repelling properties and can be planted in gardens to do just that; additionally, it was rated in the top 10 for most nectar production in the UK - your local pollinators will love it.
Site: Tolerates exposure
Soil: Any well-drained to moist but well-drained
Position: Full sun to part shade
Season of Interest: Edible leaves and flowers
Hardiness: Fully hardy
Height: 6in (0.15m) Spread: 3in (0.1m)