Gardening Garden Design Garden Color 10 Red Flowers for Big, Bold Color in Your Garden Add an eye-popping assortment of red flowers to your garden, and you’ll be thrilled with the gorgeous color they add to your landscape. By Viveka Neveln Viveka Neveln Viveka Neveln is the Garden Editor at BHG and a degreed horticulturist with broad gardening expertise earned over 3+ decades of practice and study. She has more than 20 years of experience writing and editing for both print and digital media. Learn about BHG's Editorial Process Updated on April 18, 2024 Trending Videos Close this video player Red flowers draw attention to a garden. Planting all red can practically stop traffic! Red flowers, particularly red roses, signify love, but crimson blooms can also represent strength, family bonds, good luck, security, and prosperity, so adding this bold hue may bring many good things to your garden beyond beauty. A bouquet of fresh-cut red flowers will brighten a kitchen table or primary bedroom nightstand in a way other colors of blossoms can't. Red flowers pair beautifully with orange, yellow, and white blooms. Read on to learn all about some of our favorites to add to your garden. We have everything you need to know to grow them and boost the color of your landscape. 01 of 10 Zinnia Peter Krumhardt 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. They're also a pollinator favorite, so they'll draw butterflies and hummingbirds to your garden. 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. How to Plant and Grow Zinnia 02 of 10 Shirley Poppy This easy-to-grow annual is a surefire way to add a dose of bright red flowers to a 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. How to Plant and Grow Corn Poppy 03 of 10 Knock Out Rose Traditional roses are beautiful but require 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: To extend the rose's bloom season, mix in some peonies (which are also virtually carefree). The Easy-Care Petite Knock-Out Rose Has Nonstop Red Blooms 04 of 10 Celosia A top-notch cut red 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. 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. How to Plant and Grow Celosia 05 of 10 Peony Plants don't get much easier to grow than peonies, which can thrive for years in a sunny spot with no real care. When they're not in bloom, peonies have deep green and leathery foliage that stands up to any weather. 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. 6 Fascinating Things You Should Know About Peony Flowers 06 of 10 Dianthus One of the best fragrant red 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. How to Plant and Grow Dianthus 07 of 10 Tuberous Begonia A regal plant that's well-suited for shade, tuberous begonias offer full, double red flowers over attractive foliage. Though actually perennials that grow from tubers, they're often grown as annuals. 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. How to Plant and Grow Tuberous Begonia 08 of 10 Pentas If you want to attract butterflies, pentas is the plant to add to your garden. It bears stunning clusters of bright red 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. How to Plant and Grow Pentas 09 of 10 Dahlia 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. How to Plant and Grow Dahlias 10 of 10 Columbine Bright color isn't just for the sun! Add bold red flowers 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. 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