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Mugwort

Common · Asteraceae

Aromatic perennial Artemisia grown for bitter, fragrant foliage used in traditional herbal applications. Vigorous and rhizomatous, it prefers sun, lean soil, and firm containment if planted in the ground. Key facts: 80–95 days to maturity, 6+ hours of sun, 24–36 " spacing. Container-friendly (minimum 5-gallon pot).

Updated April 19, 2026 · Backed by 3 cited sources
Overview

At a Glance

The essentials first: timing, light, spacing, seed-starting, container fit, and overall size.

Days to maturity
80–95 days
Sun
6+ hours
Full Sun To Part Shade
Spacing
24–36 "
between plants
Seed start
4–6 weeks
before transplant
Container
Yes
5+ gallon pot
Height
2–4 ft
at maturity
Planting window

Zone Planting Guide

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Care

Growing Guide

Everything in one place: seed starting, transplant timing, watering, soil, and structural support.

Seed starting
Germination
Time10–21 days
Optimal temperature68°F
Moving outdoors
Transplanting
Minimum soil temp50°F
Harden off7 days
Moisture
Watering
Weekly0.5–1 "
NeedsLow To Moderate
Deep occasional watering
Root zone
Soil
pH range6–8
PreferredWell Drained Ordinary To Poor Soil
Resilience

Plant Health

Stress tolerance, resistance notes, and the most common problems to watch for as plants mature.

Tolerance
Heat: Moderate Cold: High Drought: High

Common Issues

Aggressive Spread

Cause: Rhizomes expand quickly and resprout from fragments.

Prevention: Use barriers, containers, or regular division.

Root Rot

Cause: Poor drainage and overly wet soils.

Prevention: Plant in well-drained soil and avoid overwatering.

Floppy Growth

Cause: Too much shade or fertility leads to lodging stems.

Prevention: Keep soil lean and give more sun.

Feeding & picking

Nutrition & Harvest

How hungry the plant is, what ripe harvest looks like, and how long the crop keeps after picking.

Feeding
Nutrition
Feeding intensityLight feeder
RecipesWorm Castings Topdress
Timing
Harvest

Foliage is fully expanded, aromatic, and still soft before heavy flowering and stem toughening.

Expected yield0.25–1 lbs/plant
Storage5 days — Use fresh quickly or dry bundled stems in a dark airy place.
Plant relationships

Companion Planting

Helpful neighbors can support growth or deter pests. Keep antagonistic plants separated to reduce stress and competition.

What you'll need

Growing Supplies

Based on Mugwort's growth profile -- recommendations matched to this variety's specific requirements.

Drip irrigation / soaker hose kit

Every gardener benefits from putting water at the root zone instead of on the leaves, because drip and soaker systems reduce foliar disease pressure by limiting leaf wetness and soil splash. A quality kit should include a backflow preventer, filter, pressure reducer, and UV-resistant tubing.

Source: Iowa State University Extension; Colorado State University Extension; UMass Extension

Soil test kit

A soil test gives a baseline for pH and nutrient status so gardeners can add only what the soil actually needs. Prioritize a mail-in or lab-affiliated kit whenever possible because extension guidance notes that laboratory testing is more accurate than instant readers.

Source: University of Maryland Extension; Purdue Extension; Montana State University Extension

Quality bypass pruners

Extension guidance favors bypass designs because they make cleaner, closer cuts on living tissue than anvil types. Look for hardened steel blades that can be sharpened, a comfortable grip, and a cutting capacity matched to real home-garden stems.

Source: University of New Hampshire Extension; Iowa State University Extension; Purdue University Extension

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Research

Sources

Reference material and extension guidance used to build this growing guide.

university North Carolina Extension Gardener Plant Toolboxreference SeedsNow batch promptinference Estimated first-year harvest window from mugwort perennial herb establishment and NC State cultural guidance
Internal links

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