Artemisia vulgaris

Growing in Pots, Balconies & Indoors

Mugwort (Artemisia vulgaris) is a tall, aromatic perennial the grower lists as indoor-capable with good light. It grows large and spreads, so a pot both keeps it in check and lets you bring it to a bright window.

Quick Details

• Container Size: 15-30 L (about 4-8 gal) – it grows tall, so give it root room and keep it pruned
• Indoor Suitability: Indoor-capable with strong light, but it grows tall – keep it cut back; brightest window
• Best Spot: Full sun to part shade
• Soil & Drainage: Free-draining potting mix
• Watering in Pots: Light to moderate – let the surface dry

Indoors & On the Windowsill

• Indoors with strong light: The grower says it can be grown indoors with good light, but mugwort is naturally tall and vigorous – keep it pruned and give it your brightest window to stop it growing lax.
• Overwintering: A hardy perennial that dies back and returns; a container also stops its running roots from spreading where you don’t want them.

On a Balcony or Patio

• Light & wind: Give it a sunny, open spot; the aromatic silvery foliage takes heat and wind well. Pots dry fast against warm walls, so check moisture, though it prefers drier feet.
• Practicalities: Make sure water drains away freely rather than pooling; a stable pot keeps taller plants from blowing over.

Choosing the Pot, Soil & Long-Term Care

• Pot & drainage: A pot with strong drainage holes; skip a standing-water saucer to avoid root rot. Terracotta breathes and dries faster, which suits these drought-tolerant plants.
• Potting mix: A light, free-draining potting mix with some grit or perlite; they dislike heavy, wet soil.
• Feeding: Feed lightly through the growing season – a dilute general feed now and then, as nutrients leach from pots faster than open ground.
• Repotting: Refresh the mix and pot up every year or two; divide or root-prune to keep clumps vigorous.

Bloom & Flower Guide

Quick Details

• Bloom Season: Summer
• Flower Appearance: Many tiny green-yellow flower heads clustered at the tips of the branches
• Edibility: Grown for its aromatic leaves; the small flowers are not used as an edible flower

Detailed Blooming Overview

Mugwort flowers in summer, but its blooms are subtle: small, green-yellow heads massed along the ends of the branches rather than showy petals. This is a plant grown for its fragrant, silvery foliage, and the flowering is easy to miss. Note that the pollen can be a nuisance to hay-fever sufferers when the plant blooms.

Flower Characteristics

• Colour is green-yellow.
• Tiny flower heads gathered at the tips of the branches.
• Inconspicuous rather than showy.

Bloom Care & Thinning

• If you grow it for the leaves: Thin out or cut off the flowering heads as they form, which keeps the plant’s energy in fresh, aromatic foliage.
• Pollination: Mugwort is wind-pollinated rather than insect-pollinated, and its airborne pollen is a common late-summer allergen.