Wildflowers: Plant ID please near Vancouver

I'm really enjoying this.

It's harder to remember something new when you're 60 but this is something I wanted learn for ages and never had the time.

thanks again to everyone who helps me with my eye opening hobby!

On a walk in Blackie Spit Park in Crescent Beach (near Vancouver) BC on May 8th.

 

The first is Alliaria petiolata, aka garlic mustard.

This should be, at the least, reported as a sighting to the Global Garlic Mustard Field Survey: http://www.garlicmustard.org/index.html

 

#4 looks like Lathyrus japonicas, sea or beach pea. Grows wild all over the PNW

 

#2 is the flowers of kale, purple stem and leaves behind. 3 and 5 look like apple blossoms.