IPA's origin story — beer brewed stronger and more heavily hopped to survive the sea voyage to British troops in India in the late 18th century — is partially myth. George Hodgson of Bow Brewery, London, did supply heavily hopped 'October Beer' to the East India Company from around 1780, and the style did travel to India and back. The British Pale Ale tradition predates this. The American IPA revolution began at Sierra Nevada in the 1980s.
India Pale Ale is the defining beer style of the craft beer revolution — a highly hopped ale originating in 18th-century England that has evolved into the most diverse and commercially significant beer style of the 21st century, spawning dozens of sub-styles from Session IPA (3.5–4.5% ABV) to the extreme Double/Triple IPA (8–12% ABV). The style's defining characteristic is hop bitterness, measured in International Bitterness Units (IBU), and the aromatics contributed by late hopping and dry hopping — processes that add hops after or during cooling to maximise aromatic compounds (myrcene, linalool, geraniol) without increasing bitterness. The American craft beer movement, led by Sierra Nevada Brewing (Celebration Fresh Hop Ale, 1981), Dogfish Head (60/90/120 Minute IPA), Ballast Point (Sculpin IPA), and Three Floyds (Zombie Dust), transformed the British IPA into a distinct American style characterised by citrus, tropical fruit, and pine aromatics from Pacific Northwest and American hop varieties (Cascade, Centennial, Citra, Mosaic, Simcoe).
FOOD PAIRING: IPA's hop bitterness is a culinary bridge from the Provenance 1000 recipes: West Coast IPA: Spicy Thai Curry (bitterness balances heat), Fish Tacos (citrus hop resonance), Grilled Cheddar Cheese Toast, Chicken Wings with Blue Cheese. NEIPA: Sushi and Sashimi (soft bitterness enhances umami), Pulled Pork, Avocado Toast, Lobster Roll. Double IPA: Aged Cheddar, Prosciutto with Melon, Blue Cheese (Roquefort — the bitterness cuts through richness).
{"Dry hopping is the critical technique for aromatic IPA — hops added during or after fermentation, when no heat is present, preserve volatile aromatic compounds that would otherwise boil off","American IPA's citrus and tropical fruit character comes specifically from thiol and ester compounds in American hop varieties (Citra, Mosaic, Galaxy, El Dorado) — different hop varieties produce dramatically different aromatic profiles","Water chemistry is essential to IPA quality — Burton-on-Trent's sulphate-rich water hardens hop bitterness; San Diego's soft water produces softer, fruitier bitterness","West Coast IPA (crystal clear, dry, bitter, resinous — Ballast Point Sculpin, Stone IPA) and New England IPA (hazy, soft, juicy, low bitterness — Tree House Julius, The Alchemist Heady Topper) represent the style's two dominant contemporary directions","Session IPA achieves hop character at lower alcohol — the challenge is maintaining hop flavour with less malt backbone to balance against","Fresh hops (wet hops harvested and used immediately without drying) produce a uniquely grassy, green, onion-like freshness unlike dried hop expressions — Sierra Nevada's Harvest Fresh Hop Ale is the benchmark"}
The freshness date is the most important information on an IPA label — look for 'packaged on' rather than 'best before' and consume within 60–90 days of packaging for peak hop character. The Alchemist's Heady Topper (the original NEIPA) and Tree House Julius represent the New England style's summit; Russian River Pliny the Elder represents West Coast's.
{"Storing IPA warm or for too long — hop aromatics are volatile and degrade rapidly; IPA should be consumed fresh and cold","Ignoring glassware — a clean, slightly wider tulip glass enhances IPA aromatics far better than a pint glass or mug","Conflating all IPA into one style — West Coast, New England, Session, Double, Triple, Brut, and Black IPA are meaningfully different experiences"}