Hello, we are planning to visit this weekend and will be driving from SFO. Will it be late?

I believe there's still a chance to see the blooms for a couple of weeks.

As of April 13th, the blooming poppies are still blanketing the reserve with their magnificent orange color.  Every flower and other plants that exist at the Poppy Reserve are currently blooming.  This is a great time to visit.  We are expecting the bloom to last through April, but the peak of the bloom has been reached.

I don't think would be different this weekend, last weekend we went early in the morning no traffic no crowd yet and the flowers still bloom and fresh