WO-006 · work order · 2026-08-24

By The Forager Desk

Meadowsweet

Filipendula ulmaria

Thirty-degree isometric board, 5 mm grid, 30° hatching, 10 cm scale bar. Rotation: Wet meadow F — one umbel in four.

Meadowsweet is the plant that gave the world aspirin. Its flowers carry salicylates — the same family of compounds as in willow bark and in the little white pill — which is why the tea works on a headache, why the smell is so distinctive, and why anyone on blood thinners should leave it alone. As a kitchen ingredient it is a sweet almond-and-honey aroma that belongs in syrup, mead and jelly rather than in a pan.

Flower

Mid June – late July, at the creamiest point of the froth

Leaf

Same window only; leaves go bitter as the seed sets

Root

October, after the flower stems die back

Flower

chilled 2 days

Froth fully open and dry; florets cream, none browning.

1 Drying — 35 °C, 3 h
Mesh tray in a single loose layer ≤ 2 cm deep, 1–2 m/s airflow
2 Lactic fermentation — in mead, 21 days
1 L wide-mouth jar, smaller jar as weight, 2 cm headspace, plate underneath
3 Oil and vinegar infusion — dried in cider vinegar, 21 days
Dark narrow-neck bottle; candy thermometer for the 60 °C ceiling
4 Candying and sugar preservation — syrup 1:4, no cooking
Jam thermometer to 110 °C, wire rack over a tray for 24–48 h of drying

Operation	Parameter · duration
Harvest cue	Froth fully open and dry; florets cream, none browning.
Blanch	not required — used raw
De-bitter	None. Do not wash — the aroma is water-soluble and washes straight off.
Chilled	2 days

Leaf

chilled 3 days

Only leaves from flowering stems in the same window; skip the basal rosette.

1 Drying — 40 °C, 4 h
Mesh tray in a single loose layer ≤ 2 cm deep, 1–2 m/s airflow

Operation	Parameter · duration
Harvest cue	Only leaves from flowering stems in the same window; skip the basal rosette.
Blanch	not required — used raw
De-bitter	Dry rather than cook; the leaf is astringent enough to dry the mouth.
Chilled	3 days

Root

chilled 365 days

Lift in October after the stems brown; the root is a thin, wiry brown mat.

1 Blanching — 5 min, twice
28 cm wide stainless pan, spider, ice bath at 1:1
2 Drying — 55 °C, 7 h
Mesh tray in a single loose layer ≤ 2 cm deep, 1–2 m/s airflow
3 Lactic fermentation — 10 g/L in a bitter beer
1 L wide-mouth jar, smaller jar as weight, 2 cm headspace, plate underneath
4 Oil and vinegar infusion — dried, 1:8, 28 days
Dark narrow-neck bottle; candy thermometer for the 60 °C ceiling

Operation	Parameter · duration
Harvest cue	Lift in October after the stems brown; the root is a thin, wiry brown mat.
Blanch	300 s
De-bitter	Soak dried slices 4 h, change water twice, then dry at 55 °C.
Chilled	365 days

Part

Blanching

Salt-brine pickling

Drying

Lactic fermentation

Oil and vinegar infusion

Candying and sugar preservation

Flower

skip

not suitable

35 °C, 3 h

in mead, 21 days

dried in cider vinegar, 21 days

syrup 1:4, no cooking

Leaf

skip

not suitable

40 °C, 4 h

not suitable

Root

5 min, twice

not suitable

55 °C, 7 h

10 g/L in a bitter beer

dried, 1:8, 28 days

not suitable

The froth, and how to cut it

The flower head is a dense cream-coloured froth, and the moment to cut is when it is fully open and dry but before individual florets start to brown. That is roughly a three-week window in the middle of the season, and the aroma is strongest in the first half of it.

Cut the whole head with 5 cm of stem and handle it gently — the froth bruises brown in a bag within about two hours. Dry it flat in a single layer at 35 °C, or hang the stems in bundles of ten in a dark, airy room. Dried heads keep their almond note for eighteen months in a sealed jar, which is much longer than most flowers manage.

Salicylates: what they mean in practice

Meadowsweet contains salicin and related salicylates at around 1–2 % of the dry weight of the flower. That is enough to matter. A strong cup of meadowsweet tea is roughly analogous to a low dose of aspirin, and the same cautions apply: it is not appropriate for anyone on warfarin or another anticoagulant, anyone with a salicylate sensitivity or asthma triggered by NSAIDs, and it should not be given to children under sixteen.

In a cordial or a jelly the dose is far lower and mostly a matter of flavour, but it is worth labelling the jar if you give it away, because the taste is so good that people drink it in quantity. As always on this site: this is field information, not medical advice.

Beyond the syrup: mead, vinegar and root

Meadowsweet makes an unusually good mead because the salicylates and the honey fermentation produce a flavour that is somewhere between mead and a dry vermouth. 1 L of honey, 3.5 L of water, 60 g of dried flower, yeast and nutrient; primary at 20 °C for three weeks, then rack and leave six months. The flower goes in at the end of primary, not the beginning — early addition blows off the aroma.

A quick vinegar is faster: pack 30 g of dried flower into 500 mL of cider vinegar, leave three weeks, strain. It is excellent on strawberries and in a dressing for a tomato salad. The root, dug in October, is the old flavouring for a bitter herbal beer — it is strongly astringent and mildly antiseptic, and 10 g of dried root per litre is already plenty.

Identification note: Meadowsweet flowers contain salicylates. Avoid if you take anticoagulants, have asthma triggered by NSAIDs, or are under sixteen. The plant is unmistakable — a creamy froth above a dark green, interruptedly pinnate leaf that is silver-white underneath.