✦ EXTRACTION THERMODYNAMICS

50-Herb Steeping Temperature, Gram Ratio & Decoction Chart

Delicate leaves and blossoms require a covered steep below a rolling boil, whereas dense roots, barks, and polypores require a slow covered simmer. Compare all 50 specimens below:

Botanical & Binomial Plant Part Key Phytochemicals Organoleptic Palate & Aroma Dose & Steep (8 oz)
Common Thyme
Thymus vulgaris
Aerial leaves & flowering tops Thymol, Carvacrol, Linalool, Rosmarinic acid Pungent, earthy, and camphoraceous with a warming clove-like thymol bite and a dry, slightly astringent finish. 1.5 g – 2 g
200°F–205°F · 8–10 min
Garden Sage
Salvia officinalis
Whole or rubbed velvety leaves Rosmarinic acid, Camphor, Cineole, Salvianolic acids Savory, resinous, and slightly bitter-astringent with warm camphor, pine, and eucalyptus undertones and a velvety mouthfeel. 1.5 g – 2 g (1 tbsp rubbed leaf)
200°F · 6–8 min covered
Rosemary
Salvia rosmarinus
Evergreen needles & flowering sprigs Carnosic acid, Rosmarinic acid, 1,8-Cineole, Alpha-pinene Crisp, piney, resinous, and invigorating with bright 1,8-cineole, camphor, and woody balsamic notes. 1.5 g
200°F–205°F · 7–10 min covered
Peppermint
Mentha × piperita
Serrated aerial leaves Menthol, Menthone, Menthyl acetate, Rosmarinic acid Intensely brisk, sweet-herbaceous, and peppery at first sip, followed by a prolonged, clean menthol cooling sensation across the palate. 2 g (1 heaping tbsp)
200°F · 7–10 min covered
Greek Oregano
Origanum vulgare hirtum
Dried leaves & flower buds Carvacrol, Thymol, Rosmarinic acid, Beta-caryophyllene Bold, fiery, savory, and peppery-warm with high carvacrol intensity that numbs the tip of the tongue slightly when chewed raw. 1.5 g
200°F–205°F · 8–10 min covered
Sweet Basil
Ocimum basilicum
Tender leaves & flowering tops Linalool, Eugenol, Estragole, Citral Lush, sweet-spicy, and floral-anise with warm clove and sweet linalool top notes. 2 g dried (1 tbsp)
195°F · 5–7 min covered
Bay Laurel
Laurus nobilis
Whole leathery dried leaves 1,8-Cineole, Eugenol, Linalool, Costunolide Deeply balsamic, woody, and savory-herbal with layered notes of eucalyptus, clove, pine, and nutmeg. 2–3 whole dried leaves (cracked in half)
205°F–212°F gentle simmer · Simmer covered 10–12 min, then let stand 5 min
German Chamomile
Matricaria chamomilla
Whole flower heads Apigenin, Chamazulene, Alpha-bisabolol, Flavonoids Honey-sweet, crisp green-apple aroma with a soft, golden floral palate that turns mildly bitter only if over-steeped. 2 g – 3 g (1.5 to 2 tbsp)
195°F–200°F · 5–7 min covered
English Lavender
Lavandula angustifolia
Dried flower buds Linalool, Linalyl acetate, Lavandulol, Tannins Sweet, herbaceous-floral, and softly balsamic with bright bergamot-citrus linalool notes and minimal camphor bite. 1 g (1/2 to 1 level tsp)
195°F · 4–6 min covered
Lemon Balm
Melissa officinalis
Aerial leaves Citral (Geranial & Neral), Citronellal, Rosmarinic acid Bright, sweet-lemony, and softly minty with a clean, uplifting herbaceous finish. 2 g – 3 g (1.5 to 2 tbsp)
190°F–195°F · 6–8 min covered
Passionflower
Passiflora incarnata
Aerial vines, leaves & flowers Vitexin, Isovitexin, Chrysin, Harmala trace alkaloids Mild, grassy, and softly earthy-herbaceous with subtle hay-like notes. 2 g – 3 g
200°F · 10–12 min covered
Valerian Root
Valeriana officinalis
Dried rhizome & roots Valerenic acid, Valepotriates, Bornyl acetate, Sesquiterpenes Deeply earthy, musky, and pungent-woody with a bittersweet, camphor-balsamic root finish. 2 g – 3 g
175°F–185°F · Steep 15–30 min covered
American Skullcap
Scutellaria lateriflora
Flowering aerial parts Baicalin, Scutellarin, Wogonin, Flavonoids Mildly bitter, herbaceous, and grassy-minty without strong aromatic essential oils. 2 g
200°F · 10–12 min covered
Linden Blossom
Tilia cordata
Flowers with attached pale-green bract Farnesol, Quercetin, Kaempferol, Soothing mucilage Delicately floral, honey-sweet, and linden-nectar fragrant with a silky, slightly mucilaginous mouthfeel. 2 g – 3 g
195°F–200°F · 8–10 min covered
California Poppy
Eschscholzia californica
Whole aerial plant (leaves, stems & flowers) Californidine, Eschscholtzine, Protopine, Carotenoids Distinctly earthy and mildly bitter-vegetal. 1.5 g – 2 g
200°F · 8–10 min covered
Ashwagandha Root
Withania somnifera
Dried starchy root Withanolides (Withaferin A, Withanolide D), Alkaloids Earthy, starchy, slightly malty, and mildly bitter-astringent with a warm root body that pairs naturally with milk, ghee, cardamom, and cinnamon. 3 g – 5 g
205°F–212°F low simmer · Simmer covered 15–20 min in 10 oz water, then strain
Rhodiola Rosea
Rhodiola rosea
Golden rhizome & root Rosavin, Rosarin, Rosin, Salidroside, Tyrosol Astringent, brisk, and slightly bitter-mineral with a distinctive, natural Bulgarian rose-water aroma when freshly cut or steeped. 1.5 g – 2.5 g
200°F–205°F · Simmer gently 10 min or steep covered 15–20 min
Holy Basil (Tulsi)
Ocimum tenuiflorum
Aerial leaves & purple flower spikes Eugenol, Ursolic acid, Rosmarinic acid, Ocimenosides Warming, spicy-clove, peppery, and subtly floral-citrus with a complex, tea-like body. 2 g – 3 g (1.5 tbsp & blossom)
200°F · 7–10 min covered
Eleuthero Root
Eleutherococcus senticosus
Dried root & root bark Eleutherosides (B & E), Polysaccharides, Phenolic compounds Woody, sweet-earthy, and mildly bitter-acrid with a clean forest-bark finish. 3 g – 6 g
205°F–212°F low simmer · Simmer covered 20–25 min in 12 oz water
Schisandra Berry
Schisandra chinensis
Whole dried ripe berries Schisandrins, Gomisins, Deoxyschisandrin, Organic acids An extraordinary 'five-flavor' sensory burst: intensely tart-cranberry sour and salty at first, followed by sweet fruitiness, resinous pine-pepper, and a subtle bitter finish. 3 g – 5 g (1 tbsp whole)
195°F–205°F · Simmer gently 10–12 min or steep covered 20 min
Astragalus Root
Astragalus membranaceus
Sliced dried 4-year root Astragalosides (I–VII), Calycosin, Polysaccharides, Saponins Mildly sweet, starchy, and pleasantly legume-earthy, reminiscent of mild roasted parsnip or sweet yellow split peas. 5 g – 9 g
205°F–212°F low simmer · Simmer covered 25–35 min in water or soup stock
Red Reishi
Ganoderma lucidum
Fruiting body slices Beta-D-glucans, Ganoderic acids (Triterpenes), Ergosterol Intensely woody, earthy, and distinctly bitter with a deep umami forest-floor finish. 4 g – 6 g
205°F–212°F low covered simmer · Simmer 35–45 min in 14 oz water
Lion's Mane
Hericium erinaceus
Fruiting body Hericenones, Erinacines, Beta-glucan polysaccharides Mild, savory, sweet-umami, and remarkably seafood-like. 3 g – 5 g
200°F–208°F gentle simmer · Simmer 15–20 min in water, broth, or coffee
Ginger Rhizome
Zingiber officinale
Fresh or dried rhizome Gingerols (fresh), Shogaols (dried), Zingiberene Fiery, pungent, citrusy-warm, and aromatic. 2 g – 3 g (1 tsp dried)
205°F–212°F covered simmer · Simmer 10–15 min covered
Turmeric Rhizome
Curcuma longa
Cured & dried rhizome Curcuminoids (Curcumin), Turmerones, Zingiberene Earthy, musky, warm-peppery, and mildly bitter with bright orange-ginger aromatic top notes. 1 tsp turmeric root + pinch freshly cracked black pepper + 1/2 tsp ginger in 8 oz milk/coconut milk
190°F–200°F gentle simmer · Simmer 8–10 min
Sweet Fennel Seed
Foeniculum vulgare
Whole aromatic seeds (mericarps) Trans-anethole, Fenchone, Estragole, Flavonoids Warm, sweet-anise, and softly camphoraceous with a clean, lingering licorice-meadow sweetness and zero bitterness when fresh. 2 g – 3 g
200°F–205°F · 10–12 min covered
Dandelion Root
Taraxacum officinale
Raw or roasted taproot & spring leaf Inulin (prebiotic fiber), Taraxacin, Sesquiterpene lactones Raw dried root is earthy, bittersweet, and mineral-rich. 3 g – 5 g
205°F–212°F covered simmer · Simmer 15–20 min in 10 oz water
Burdock Root
Arctium lappa
Dried or fresh first-year taproot Inulin, Arctigenin, Chlorogenic acid, Polyacetylenes Mildly sweet, starchy, and artichoke-earthy with very gentle bitterness. 4 g – 6 g
205°F–212°F covered simmer · Simmer 20–25 min in 12 oz water
Marshmallow Root
Althaea officinalis
Peeled dried root & velvety leaves Acidic polysaccharides (Mucilage), Pectin, Asparagine Subtly sweet, starchy-vanilla, and neutral with a remarkably thick, silky, velvety-slippery mouthfeel when cold-infused. 6 g – 8 g
60°F–72°F room temp or fridge · Steep 4–8 hours
Green Cardamom
Elettaria cardamomum
Whole green pods & inner seeds 1,8-Cineole, Alpha-terpinyl acetate, Linalool, Limonene Intensely aromatic, sweet-eucalyptus, lemony-floral, and camphor-warm with a clean, resinous spice finish. 3 to 4 whole green pods
200°F–205°F · 8–10 min covered
Licorice Root
Glycyrrhiza glabra
Dried stolons & roots Glycyrrhizin, Liquiritin, Isoliquiritigenin, Flavonoids Intensely sweet, woody, and earthy-anise with a lingering, throat-coating demulcent finish. 2 g – 3 g
205°F–212°F simmer · Simmer 15 min covered
Black Elderberry
Sambucus nigra
Fully ripe cooked dried berries & spring flowers Anthocyanins (Cyanidin-3-glucoside), Quercetin, Rutin Deeply fruity, tart-berry, and earthy-tannic. 5 g – 10 g (1 tbsp whole)
205°F–212°F low simmer · Simmer 20–25 min until water reduces and turns dark purple-ruby; mash & strain
Roselle Hibiscus
Hibiscus sabdariffa
Fleshy red flower calyces Anthocyanins (Delphinidin, Cyanidin), Hibiscus acid, Vitamin C Vibrantly tart, cranberry-citrus sour, and fruity-floral with a jewel-like ruby-crimson infusion color. 2 g – 3 g
195°F–200°F · 5–7 min
Wild Dog Rosehips
Rosa canina
Seedless dried fruit shells or whole hips Ascorbic acid, Lycopene, Beta-carotene, Galactolipids, Pectin Tangy, fruity-sweet, and orchard-apple tart with warm apricot-plum undertones and a golden-amber to sunset-orange infusion color. 4 g – 5 g
180°F–190°F · Steep covered 12–15 min
Calendula Blossom
Calendula officinalis
Whole resinous flower heads & petals Triterpenoid esters (Faradiol), Lutein, Beta-carotene, Resins Mildly earthy, resinous-floral, slightly peppery, and gently bittersweet with a warm saffron-gold color. 2 g
200°F · 8–10 min covered
Purple Coneflower
Echinacea purpurea
Roots, aerial leaves & flower cones Alkylamides, Chicoric acid, Caftaric acid, Polysaccharides Earthy, herbaceous, and floral-piney, followed within 30 seconds by a distinctive, harmless 'electric tingling' and salivation on the tongue. 2 g – 3 g
200°F · 10–12 min covered
Stinging Nettle Leaf
Urtica dioica
Dried young spring leaves Chlorophyll, Silica, Iron, Calcium, Quercetin, Rutin Deeply savory, chlorophyll-green, mineral-salty, and broth-like with zero bitterness. 3 g
200°F–205°F · 10–15 min covered
Hawthorn Berry & Leaf
Crataegus monogyna
Ripe autumn berries (haws), spring leaves & blossoms Oligomeric procyanidins (OPCs), Vitexin, Hyperoside, Rutin Berries are mild, apple-tart, and mealy-sweet. 5 g (1 tbsp whole)
205°F–212°F covered simmer · Simmer 15–20 min in 10 oz water
Red Clover Blossom
Trifolium pratense
Whole dried purple-pink flower heads Isoflavones (Biochanin A, Formononetin), Coumarins, Volatile oils Delicately sweet, honey-nectar floral, and fresh-cut meadow green. 3 g – 4 g
200°F · 10–15 min covered
Great Mullein Leaf
Verbascum thapsus
Dried velvety leaves & yellow flowers Mucilage polysaccharides, Verbascoside, Saponins, Flavonoids Mild, soft, slightly sweet-vegetal, and neutral-earthy with a soothing demulcent finish. 2 g – 3 g
200°F–205°F · Steep 10–15 min covered, then strain through a paper coffee filter or fine cloth
Common Yarrow
Achillea millefolium
Flowering tops & feathery leaves Chamazulene, Achilleine, Cineole, Camphor, Flavonoids Aromatic, camphoraceous, piney-sage, and briskly bitter-astringent with a complex herbaceous nose. 1.5 g – 2 g
200°F–205°F · 8–10 min covered
Common Mugwort
Artemisia vulgaris
Dried leaves & flowering tops 1,8-Cineole, Camphor, Vulgarin, Sesquiterpene lactones Aromatic, sage-like, herbaceous, and moderately bitter with cool camphor, eucalyptus, and chrysanthemum-like notes. 1 g – 1.5 g (1 level tsp)
195°F–200°F · 5–7 min covered
Blue Vervain
Verbena hastata
Flowering aerial tops Verbenalin, Hastatoside, Aucubin (Iridoid glycosides) Decidedly bitter and earthy-green with a clean, slightly astringent finish. 1 g – 1.5 g
195°F–200°F · 6–8 min covered
Hyssop
Hyssopus officinalis
Flowering tops & narrow leaves Marrubiin, Pinocamphone, Isopinocamphone, Diosmin Warming, minty-camphoraceous, sage-like, and moderately bitter with a crisp pine-herbal finish. 1.5 g – 2 g
200°F · 7–10 min covered
Eucalyptus Leaf
Eucalyptus globulus
Mature leathery blue-green leaves 1,8-Cineole (Eucalyptol), Alpha-pinene, Globulol, Tannins Intensely cooling, camphoraceous, woody-pine, and briskly cineole-rich. 2 tbsp crushed dried Eucalyptus leaves in 1 quart steaming water
200°F–212°F bowl on table · Drape towel over head, close eyes, and breathe steam for 5–8 min
Star Anise
Illicium verum
Whole dried star-shaped fruit pods Trans-anethole, Shikimic acid, Linalool, Limonene Rich, sweet-licorice, warm-spicy, and rounder/fruiter than green aniseed, with subtle cinnamon-clove undertones. 1 to 2 whole 8-pointed stars
205°F–212°F gentle simmer · Simmer covered 10–12 min
Ceylon Cinnamon
Cinnamomum verum
Hand-rolled inner bark quills Cinnamaldehyde, Eugenol, Proanthocyanidins (Ultra-low Coumarin) Delicate, warm, citrus-floral, and complexly sweet without the harsh, tongue-burning red-hot bite of common supermarket cassia. 1 whole 3-inch Ceylon quill
205°F–212°F covered simmer · Simmer 12–15 min
Sacred Frankincense
Boswellia sacra
Dried oleogum resin tears Boswellic acids (AKBA), Alpha-pinene, Incensole acetate, Limonene Aromatically luminous, crisp Meyer-lemon citrus, fresh pine needle, and sweet balsamic honey-wood. 1 to 2 pea-sized Hojari resin tears on a thin copper/aluminum plate over a tealight candle
250°F–320°F gentle radiant heat · Melts slowly over 45–60 min, releasing pure lemon-pine vapor with ZERO burnt smoke
Somalian Myrrh
Commiphora myrrha
Dried oleogum resin chunks Furanoeudesma-1,3-diene, Curzerene, Lindestrene, Commiphoric acids Deeply earthy, warm-balsamic, smoky-licorice, and intensely bitter-aromatic. 1 part crushed Somalian Myrrh + 2 parts Hojari Frankincense on a brass warmer screen
Gentle tealight heat · Myrrh's deep balsamic earthiness anchors Frankincense's bright citrus top notes
White Pine Needle
Pinus strobus
Fresh or gently dried green needles Alpha-pinene, Beta-pinene, Shikimic acid, Vitamin C, Flavonoids Crisp, bright, evergreen-citrus, and remarkably sweet-lemony when steeped below boiling. 4 g – 6 g
175°F–185°F · Steep covered 10–15 min; strain and add a squeeze of lemon or maple syrup