This is a buckeye, Aesculus genus, that’s a hybrid between A. pavia and A. hippocastanum (horse chestnut). It is known as Aesculus x carnea and is commonly found in nurseries and around town
Camassia species; native to western North America.
Hemp dogbane (Apocynum cannabinum)
Golden Alexanders (Zizea aurea).
Young invasive honeysuckle species (Lonicera genus).
Willow; unknown species form photo
Yellow-flowered mustard; species unknown from photo.