How to Make Mullein Tea: Step-by-Step Brewing and Straining Guide

How to Make Mullein Tea

By GramLeafCo Editorial

Updated March 09, 2026 • External references open in a new tab when available.

Quick Take

The Short Version

Skimmable

Most bad first cups come from using too much leaf, straining too loosely, or expecting a dramatic flavor from a plant that is usually mild.
Once those expectations are corrected, the process becomes simple and repeatable.
Quick AnswerUse a modest amount of mullein leaf, hot water, a covered steep, and a fine filter.
If the tea feels dusty or scratchy, improve the straining before you start changing everything else.

Making mullein tea well is mostly about restraint and filtration. The herb itself is gentle. Most bad first cups come from using too much leaf, straining too loosely, or expecting a dramatic flavor from a plant that is usually mild. Once those expectations are corrected, the process becomes simple and repeatable.

Quick Answer

Use a modest amount of mullein leaf, hot water, a covered steep, and a fine filter. The goal is a clean, soft cup. If the tea feels dusty or scratchy, improve the straining before you start changing everything else.

What you need

Dried mullein leaf
Fresh hot water
A mug, jar, teapot, or brewing vessel
A fine filter or paper tea filter
An optional second vessel for cleaner pouring

Step 1: Start with a moderate scoop

Beginners often assume a bigger scoop means a better result. With mullein that can make the cup rougher without making it better. Start smaller than your instinct suggests, then adjust only after you have tasted a clean cup.

Step 2: Use hot water and cover the cup

Pour hot water over the leaf and cover the vessel while it steeps. Covering helps hold warmth and keeps the cup from feeling thin and hurried. It is a small habit that improves consistency.

Step 3: Let it steep fully

Mullein is not difficult to brew, but it still needs enough time to infuse. Short steeps often create a weak cup that tempts people to overcorrect with too much leaf next time. Give the herb a fair steep before changing the ratio.

Step 4: Strain more carefully than you think you need to

This is the step that matters most. Mullein leaf can leave fine particles behind, so a fine basket or paper filter usually makes the best first cup. If texture has bothered you before, strain twice and leave the last cloudy sip behind.

Step 5: Taste before sweetening or blending

Take a clean taste of the plain tea first. That helps you learn what the herb is actually doing in the cup before honey, peppermint, or another addition changes the picture.

Common mistakes

Using too much leaf right away
Brewing with a coarse infuser
Judging the herb by a poorly filtered first cup
Expecting a strong mint-like or spice-like taste

How to adjust the next cup

If the tea feels too light, use slightly more leaf next time. If it feels rough, improve the filtration or reduce the amount. If it tastes flat, check freshness and storage before assuming the plant is the problem.

Bottom line

Mullein tea works best when you treat it like a gentle herb instead of trying to force it into a dramatic drink. Keep the setup simple, steep it properly, strain it well, and let the cup show you what small change is actually needed.

TL;DR

Start small, take notes, and adjust your ratio and steep time to match your taste.
For the cleanest cup, strain slowly and don’t squeeze the filter at the end.

Mullein tea is often described as mild, but the leaf can contain fine fuzz and sediment that changes how it feels to drink. A clean cup is mostly about technique: use a baseline ratio, steep consistently, and focus on slow, layered filtration.

A simple brewing baseline

Heat water to hot-not-boiling (just under a simmer).
Add mullein to a mug or jar, steep 10–15 minutes (longer if you like it stronger).
Strain through a fine mesh first, then through a paper filter for a smooth finish.
Taste, then adjust next time: more leaf for strength, longer steep for body, better filtering for smoothness.

A Better First-Order Checklist

Start with a small quantity so your first brew can be about learning texture and ratio.
Use clean water and a dedicated filter setup instead of trying to improvise at the sink.
Write down what you changed: amount, steep time, and whether you strained once or twice.
Store the rest sealed, cool, and dry so the next cup behaves more like the first one.

Taste notes & easy pairings

Mullein is often described as mild and earthy. If you want it to feel more “tea-like,” try one of these:

Honey or a little sugar for warmth and roundness.
A squeeze of lemon for brightness (especially good on cold-steeps).
Mint or ginger for a “clean” tea vibe (adjust to taste).

Common questions

How much mullein leaf should I use for one cup?

A moderate starting point is enough leaf to lightly fill an infuser or roughly one to two teaspoons of cut dried leaf, then adjust after tasting.

Why does mullein tea sometimes feel scratchy?

The tiny leaf hairs can pass through a coarse infuser, so a fine filter or second straining step helps.

Should mullein tea be boiled?

Most people steep the leaf like a tea rather than boiling it hard. Gentle steeping is usually the cleaner starting point.

What can I add to mullein tea?

Honey, peppermint, ginger, or lemon are common additions, but it helps to taste the plain tea first.

Troubleshooting in 60 seconds

If your first batch isn’t perfect, you’re close. Use these quick adjustments:

Still scratchy after straining?

Do a second pass through a fresh paper filter. The first filter catches big particles; the second catches the fine fuzz that can cause that throat-tickly feeling.

Tastes weak?

Increase the leaf slightly or extend steep time in small steps. If you’re using ground leaf, it infuses quickly—taste at 8–10 minutes before going longer.

Tastes too strong or earthy?

Shorten the steep or dilute with hot water. A squeeze of lemon or a spoon of honey can also soften the edges without masking the tea completely.

Sediment in the bottom of the cup?

Let the tea rest for a minute after steeping so particles settle, then pour slowly. Avoid squeezing the filter at the end, which pushes fine sediment through.

Next Steps

Keep going (recommended reads)

Complete Guide to Mullein Mullein Tea Guide

Browse the full archive in Journal.

Educational information only. GramLeafCo does not provide medical advice and does not claim to diagnose, treat, cure, or prevent any disease.

Baseline Recipe That Works For Most Readers

Start simple and repeatable. A dependable first cup gives you something to adjust from instead of guessing every time.

Use about 1–2 teaspoons of dried cut mullein leaf per 8–10 ounces of hot water as a beginner baseline.
Cover the mug or teapot while it steeps so the cup stays hot and aromatic.
Steep for 8–12 minutes, then taste before deciding whether you want a stronger or lighter second batch.
Pour through a fine mesh strainer, then through a paper tea filter or coffee filter if you want the cleanest texture.

How To Adjust The Cup Without Starting Over

Too weak: add a little more leaf next time or give it a few extra minutes.
Too earthy: shorten the steep slightly or dilute with hot water after straining.
Too scratchy: slow the pour and use a second paper filtration step.
Making a pot for later: strain completely before storing so fine particles do not keep infusing in the fridge.

FAQ

Quick answers to the most common questions about this topic.