Types of Tea Explained: Green, Black, White, Oolong & Herbal
Types of Tea Explained: Green, Black, White, Oolong & Herbal
All tea — green, black, white, and oolong — comes from the same plant: Camellia sinensis. What makes each type different is how the leaves are processed after harvest. Herbal teas are a separate category entirely, made from flowers, roots, bark, and herbs. Here's your guide to understanding each.
True Teas (from Camellia sinensis)
Green Tea
Green tea leaves are heated quickly after harvest — steamed in Japan, pan-fired in China — to stop oxidation. This preserves the natural green color and produces a fresh, grassy, sometimes vegetal flavor. Green teas are lower in caffeine than black teas and rich in antioxidants.
What to expect: Light, clean, grassy, sometimes sweet or marine-like. Flavor is delicate and brightness varies by origin and processing.
Brew tip: Use water at 160–180°F (not boiling). Steep 1–3 minutes. Boiling water will make green tea bitter.
Black Tea
Black tea is fully oxidized — leaves are withered, rolled, and left to oxidize until they turn dark brown. This produces the bold, robust flavor most people associate with traditional tea. Black tea has the highest caffeine content of the true teas.
What to expect: Bold, malty, sometimes earthy or brisk. Can handle milk and sweetener. Flavored black teas like Earl Grey and English Breakfast are built on black tea bases.
Brew tip: Use boiling or near-boiling water (200–212°F). Steep 3–5 minutes.
White Tea
White tea is the least processed of all true teas. Young leaves and buds are simply plucked and dried with minimal intervention — no rolling, no oxidation. The result is the most delicate, subtle tea you can find.
What to expect: Light, sweet, floral, and silky. Very low caffeine. Extremely clean and gentle in the cup.
Brew tip: Use water at 160–175°F. Steep 4–5 minutes. Be patient — white tea opens slowly.
Oolong Tea
Oolong sits between green and black — it's partially oxidized, anywhere from 15% to 85%. This creates enormous variety within the oolong category: lighter oolongs taste floral and green; darker oolongs taste roasty and rich.
What to expect: Varies widely. Light oolongs: floral, honeyed, delicate. Dark oolongs: toasty, caramel, full-bodied. Oolong rewards exploration.
Brew tip: Water at 185–205°F. Steep 2–3 minutes. Many oolongs can be steeped multiple times — flavor evolves with each steep.
Pu-erh Tea
Pu-erh is a fermented tea from Yunnan, China, aged for months or years. Unlike other teas, it improves with age. Deep, earthy, smooth, and complex — often described as having an almost forest floor quality that mellows into something rich and mellow.
Brew tip: Use boiling water. Rinse the leaves briefly before brewing. Steep 3–5 minutes.
Herbal Teas (Tisanes)
Herbal teas are not made from Camellia sinensis. They are infusions of dried flowers, herbs, fruit, bark, roots, or spices. Most are naturally caffeine-free, making them popular for evenings and relaxation.
Popular Herbal Varieties
- Chamomile — apple-like, calming, naturally caffeine-free. A classic bedtime tea.
- Peppermint — cool and refreshing, great for digestion. Naturally caffeine-free.
- Hibiscus — tart, cranberry-like, vibrant red color. High in Vitamin C.
- Rooibos — from South Africa, naturally sweet, earthy, and caffeine-free. Full-bodied like black tea but gentler.
- Ginger — warming and spicy, great for digestion and immunity support.
Flavored Teas & Chai
Flavored teas take a true tea base and add natural flavors, fruit, or botanicals. Earl Grey is a black tea flavored with bergamot. Masala Chai combines black tea with warming spices like cardamom, ginger, cinnamon, and clove.
Quick Reference Guide
| Type | Oxidation | Caffeine | Brew Temp | Steep Time |
|---|---|---|---|---|
| White | None | Very Low | 160–175°F | 4–5 min |
| Green | None | Low | 160–180°F | 1–3 min |
| Oolong | Partial | Medium | 185–205°F | 2–3 min |
| Black | Full | High | 200–212°F | 3–5 min |
| Herbal | N/A | None | 200–212°F | 5–7 min |