Best Red Flowers for Your Garden

One of the best annual cut flowers, zinnias bloom in a wide range of colors. They don't mind hot, dry conditions and will reward you with flowers all summer long.

Plant Name: Zinnia elegans

Growing Conditions: Full sun and well-drained soil

Size: To 3 feet tall and 1 foot wide

Zones: Annual

Plant it with: Zinnia looks gorgeous with finer-textured cosmos or brightly colored marigolds.

This easy-to-grow annual is a surefire way to add a dose of bright color to the spring garden. In the North, sprinkle seeds of this wildflower in spring; in the South, plant them in the fall.

Plant Name: Papaver rhoeas

Growing Conditions: Full sun or part shade and moist, well-drained soil

Size: To 2 feet tall and 1 foot wide

Zones: Annual

Plant it with: Other wildflowers, such as Texas bluebonnet or bachelor's buttons.

Traditional roses are beautiful, but a lot of work. Add a big dose of color the easy way with Knock Out roses. These hardy, long-blooming roses require virtually no care and still put on a massive show.

Plant Name: Rosa 'Knock Out'

Growing Conditions: Full sun and moist, well-drained soil

Size: To 3 feet tall and wide

Zones: 4-9

Plant it with: Mix in some peonies (which are also virtually carefree) to extend the rose's bloom season.

A topnotch cut flower, celosia also dries well, making it a favorite of crafters who like to make dried flower arrangements. If you don't have the heart to cut it, celosia is a great garden plant that reliably blooms all summer long.

Plant Name: Celosia selections

Growing Conditions: Full sun and well-drained soil

Size: To 2 feet tall and wide

Zones: 10, but usually grown as an annual

Plant it with: White cosmos or zinnias for a perfect summer bouquet.

Plants don't get much easier to grow than peonies, which can thrive for years in a sunny spot with no real care.

Plant Name: Paeonia selections

Growing Conditions: Full sun and well-drained soil

Size: To 4 feet tall and wide

Zones: 3-7

Plant it with: Iris for a gorgeous, old-fashioned, fragrant perennial combo.

One of the best red fragrant flowers you can grow, many types of dianthus also offer attractive foliage so they look great when they're not in bloom. The annual types in particular are great for containers.

Plant Name: Dianthus selections

Growing Conditions: Full sun or part shade and moist, well-drained soil

Plant Size: To 3 feet tall and wide, depending on type

Zones: 3-9, depending on type; some are commonly grown as annuals

Grow it with: The silvery foliage of dusty miller or lamb's ear is a great foil for boldly colored dianthus blooms.

One of the most regal plants for shade, tuberous begonias offer full, double flowers over attractive foliage.

Here's a hint: Don't overwater tuberous begonias; they rot easily.

Plant Name: Begonia selections

Growing Conditions: Shade and well-drained soil

Size: To 18 inches tall and wide

Zones: 10; in colder areas, dig and save the tubers in a frost-free place for winter.

Plant it with: Double impatiens are a perfect plant partner with their opulent flowers.

One of the best plants you can choose for attracting butterflies, pentas bear attractive clusters of boldly colored flowers. It's also an easy plant to grow as it tolerates heat, humidity, and drought like a champ.

Plant Name: Pentas lanceolata

Growing Conditions: Full sun and well-drained soil

Size: To 3 feet tall and wide

Zones: 10, but usually grown as an annual in colder areas

Plant it with: Lantana is a perfect plant partner; both love hot, dry conditions and attract scores of butterflies.

From charming little front-of-the-border annuals to massive plants with flowers bigger than your head, dahlias can be counted on to make a statement in the garden.

Plant Name: Dahlia selections

Growing Conditions: Full sun and well-drained soil

Size: From 6 inches to 6 feet tall; to 2 feet wide

Zones: 8-10; dig and store the tubers in a frost-free spot in colder areas

Plant it with: Dahlias look great with gladiolus -- both in the garden and in the vase.

Red isn't just for the sun! Add a bold bit of red in early summer with columbine. This easy-growing perennial blooms for weeks -- and attracts hummingbirds, to boot.

Plant Name: Aquilegia canadensis

Growing Conditions: Shade and moist, well-drained soil

Size: To 3 feet tall and 1 foot wide

Zones: 3-8

Plant it with: Red columbines look fantastic with white-flowering perennial geraniums, which bloom at the same time.