If you're looking for a bright and super easy flower to grow, you should check out Evening Primrose.
Yellow Primrose is an annual flower the grows up to 60" with summertime blooms. The bees and the butterflies love it, so yay to your contribution to nature!
It will bloom for you for close to a month and looks majestic planted in mass. Plant in full sun and keep your seeds moist until they germinate.
Also, no worries about the ideal soil, primrose is not soil picky! Thrives best in hardiness zones 3-8. Note: Grows as an annual in hot climates and a perennial in cooler areas.
Grows up to 60" Tall
Likes Full Sun
Really easy to grow
Blooms in Summer and Part Fall
Not soil picky
Loved by bees and butterflies
Also known as Oenothera lamarckiana