Best 9 Fast-Growing Annual Flowers

Love-in-a-Mist (Nigella Damascene)

Delicate blue flowers and fine foliage, best in zones 2-11, full sun or partial shade, blooms in late spring to early summer.

Cosmos (Cosmos Bipinnatus)

Colorful daisy-like flowers, thrives in zones 2-11, full sun, blooms from early summer to fall, drought-tolerant.

California Poppy (Eschscholzia Californica)

Vibrant orange flowers, self-seeding, thrives in zones 6-11, full sun, drought-tolerant once established.

Sunflower (Helianthus Annuus)

Varieties from tall yellow to multi-colored, best sown directly in fertile soil, thrives in zones 2-11, needs regular watering.

Marigold (Tagetes Spp.)

Bright yellow and orange flowers, ideal for vegetable gardens, thrives in zones 2-11, full sun, tolerates hot, dry conditions once established.

Rocket Larkspur (Consolida Ajacis)

Tall spikes of blue, white, pink, and purple flowers, thrives in zones 2-11, full sun or partial shade, may need staking.

Cornflower (Centaurea Cyanus)

Pastel-colored flowers on tall stems, excellent for ground cover, thrives in zones 2-11, full sun, drought-tolerant.

Sweet Pea (Lathyrus Ooratus)

Climbing vine with pink, purple, and red flowers, thrives in zones 2-11, full sun, needs regular dead-heading for continuous bloom.

Drummond Phlox (Phlox Drummondii)

Clusters of white, pink, or red flowers, low-growing, ideal for border edges, thrives in zones 2-11, full sun, drought-tolerant once established.