Here are some annual bedding plants for the sun:
Zinnia – Big color, easy from seed, great for cutting
Marigold (Tagetes) – Tough, heat‑loving, pest‑friendly
Petunia – Long blooming and colorful
Geranium (Pelargonium) – Sun tolerant, great in pots
Salvia – Spikes of red/blue that attract pollinators
Cosmos – Tall, airy, cheerful flowers
Snapdragon – Upright spires of color
Calendula – Golden blooms; edible petals
Nasturtium – Edible flowers and fun foliage
Celosia – Unique plume or cockscomb flowers
Sweet Alyssum (in cooler sun areas) – Fragrant groundcover