Wash and trim asparagus to prepare for grill. Bend a stem on asparagus and cut at the bend. Aline with the other spears of asparagus and slice all to the same length.
Drizzle asparagus spears with olive oil and rub to coat.
In a small bowl combine the salt, pepper, garlic powder and lemon zest. Stir to combine.
Place asparagus horizontally on the grill grates and sprinkle with the blend of seasonings.
Cook for 1-2 minutes, rotate by rolling on grill grates and cook for an additional 1-2 minutes until desired tenderness.
Remove from heat and squeeze fresh lemon juice over the asparagus.