Top 8 Fast-Growing Annual Flowers

Annual flowers are a popular choice for gardeners looking to add color and beauty to their outdoor spaces. In this article, we’ll explore the top eight fast-growing annual flowers that are sure to brighten up any garden or landscape.


Marigolds are a traditional favorite among gardeners for their vibrant colors and easy cultivation. These fast-growing annuals come in shades of yellow, orange, and mahogany and can flower within eight weeks of seeding. Plant marigolds in full sun and well-draining soil for optimal growth and blooms.

Sweet Pea

With its delicate ruffled flowers and charming tendrils, sweet peas are a beloved addition to any garden. These fast-growing annual vines thrive when planted on bean tepees, arbors, trellises, and fences. Plant sweet peas in October for southern climates and in early spring for northern regions to enjoy their beauty in cooler temperatures.

Morning Glory

Morning glories are known for their old-fashioned elegance and trumpet-shaped blooms that come in a variety of colors including pink, white, purple, blue, and magenta. These fast-growing annual vines are sun worshippers, with their petals opening each morning to greet the day.


Zinnias are cheerful and versatile flowers that come in a wide range of colors, making them a favorite among gardeners. These fast-growing annuals produce blooms just days after seeding, with a full display of color appearing within six weeks. Zinnias are perfect for adding vibrant hues to flower beds and containers.


Phlox is a fast-growing annual plant that thrives in difficult-to-grow areas of the garden. These attractive flowers bloom in early summer, producing drifts of tiny blooms in shades of pink, red, white, blue, and purple. Phlox is ideal for borders and containers, adding color and texture to any landscape.

Bachelor’s Button

Bachelor’s buttons, also known as cornflowers, are charming annual flowers with fluffy blooms reminiscent of Grandma’s garden. These easy-growing plants thrive in sunny areas and can quickly naturalize, making them a delightful addition to any garden.


Nasturtiums are often considered annuals, although they are technically herbaceous perennials. These fast-growing flowers feature beautiful orange blossoms and emerald green leaves, making them a popular choice for both ornamental and edible gardens. Nasturtiums require minimal maintenance and grow quickly in sunny locations.

California Poppy

California poppies are native wildflowers known for their fernlike leaves and cupped flowers in shades of orange. These easy-growing annuals thrive in full sun and can add a touch of natural beauty to any garden or landscape.

Leave a Reply

Your email address will not be published. Required fields are marked *