Does Tartine Sell Starter?

Tartine Bread Sourdough Starter -- Whole Grain Recipes.

Can you buy a sourdough starter?

If you're anti-social, you can also buy sourdough starter from King Arthur Flour and have it shipped to your door. A one-ounce jar of starter will set you back about $9 or $31 with a cool storage crock.

How do you maintain starter Tartine?

Keep the starter at room temperature, and at the same time each day discard 80 percent of the starter and feed remaining starter with equal parts warm water and white-wheat flour mix (50 grams of each is fine).