Yirgacheffe is among the Ethiopian names many drinkers encounter early in specialty coffee. The source connects it with floral and citrus-associated descriptions. Those associations are a starting point for exploration, while individual coffees can differ by station, variety, processing, harvest and roast.
Choose a lot whose details are clear enough to distinguish it from another bag carrying the same regional name. A washed and a natural offering should not automatically be expected to produce the same cup, but processing alone also cannot explain every difference.
Prepare a measured baseline and describe what you actually notice as the coffee cools. Include sweetness, texture and finish rather than searching only for a predicted flower or lemon note. Keeping the product information with your observations builds a more useful understanding of the region than treating a broad reputation as a flavour guarantee.

The conversation
A good question can make a better brew.