12 Fastest-Growing Perennials for Instant Garden Color

If you want your garden to fill out quickly without waiting years for plants to mature, fast-growing perennials are a great choice. These plants help you create a lush, colorful space in less time.

Fast-growing perennials offer a simple way to get immediate impact while providing lasting beauty throughout the seasons. Whether you’re new to gardening or just want quicker results, selecting these easy-to-grow plants can transform your outdoor space faster than many other options.

Salvia nemorosa ‘Lubecca’

If you want quick color, Salvia nemorosa ‘Lubecca’ is a great pick. It grows fast and stays compact, making it perfect for small spaces.

You’ll enjoy its purple flowers that attract pollinators like hummingbirds. Plant it in full sun with well-drained soil for best results. It’s drought tolerant but prefers moist, sandy or gravelly soil. Just protect it if you face very harsh winters.

Supertunia Vista Bubblegum Petunia

You’ll love Supertunia Vista Bubblegum for its bright pink flowers that bloom all season. It grows quickly and can trail over basket edges or containers up to 4 feet long.

This petunia handles heat and sun well, making it great for hot summer spots. It typically reaches maturity in about 12-14 weeks from seed, giving you fast, colorful impact.

Yarrow

Yarrow is a fast-growing perennial that adds texture and color to your garden quickly. It features tall stems with fern-like leaves and clusters of tiny flowers in shades like white, yellow, or pink.

You’ll find it easy to care for, as it thrives in various conditions and requires little maintenance.

Coneflower (Echinacea)

You’ll find Coneflowers easy to grow and care for, making them a great choice for quick garden impact. They thrive in full sun and can reach 3 to 4 feet tall, adding height and color to your space.

Their daisy-like blooms come in vibrant shades and last through heat and dry spells. This hardy perennial works well in many climates.

Russian Sage

Russian sage grows quickly, reaching up to 4 feet tall in a season. It spreads well, filling your garden space with soft, silvery foliage and delicate purple flowers.

You’ll find it easy to care for as long as it gets full sun and well-drained soil. Once established, it requires very little maintenance.

Agastache

You’ll enjoy Agastache for its colorful, spiked blooms that attract pollinators like hummingbirds and bees. It grows quickly, often reaching full size by mid-summer.

This perennial loves full sun and well-drained soil. It’s perfect if you want vibrant flowers that brighten your garden fast.

Woodland Sage

You’ll appreciate Woodland Sage for its fast growth and rich color. It typically reaches about 50 cm in its first growing season, giving your garden quick, vibrant blooms.

Plant it in groups of three or more to create a stunning display. It provides color from late spring through early fall.

Coreopsis

Coreopsis, also known as Tickseed, is a great choice if you want quick color. You’ll find bright, daisy-like flowers in cheerful shades of yellow, gold, and sometimes with red centers.

This plant thrives in full sun and adapts to a range of soil types, including dry or rocky soils. It’s low-maintenance and flowers reliably through summer.

Bachelor Button (Centaurea cyanus)

You’ll love how quickly bachelor buttons grow, blooming in about 65 days from seed. They thrive in full or partial sun and prefer slightly alkaline soil.

These flowers attract birds, especially goldfinches, thanks to their seeds. Plant them in groups for the best visual impact in your garden.

Butterfly Bush (Buddleja)

If you want a fast-growing shrub that adds color and attracts butterflies, the Butterfly Bush is a great choice. It can grow from 3 to 12 feet tall, depending on your garden conditions.

It thrives in full sun and prefers moist, slightly acidic soil. The blooms last from summer until frost. You’ll appreciate its low maintenance and ability to resist drought and deer damage.

Avens (Geum)

You’ll appreciate how quickly Avens grow, making them great for adding color fast. These perennials bloom for months, usually from late spring into early summer.

Avens thrive in full sun with well-drained soil and can tolerate some moisture. Their bright orange, red, and yellow flowers bring warmth to your garden borders without much fuss.

Vista Silverberry Petunia

You’ll appreciate the fast growth of the Vista Silverberry Petunia. It reaches full size in about 12 to 16 weeks.

This petunia can grow 12 to 24 inches tall and spread wide. It trails beautifully in containers or garden beds. It thrives in full sun. Blooms appear from spring to fall.