We hear it's going to be one hot summer, people. Prepare your garden for the temps to come by choosing flowers that are super tolerant of extreme heat, harsh sunlight and dry soil.MandevillaThis beautiful vining plant keeps its brilliant color all summer long. Mandevilla comes in white, pink, red, and coral, and brightens up any deck, patio, or planting bed with its trumpet-shaped flowers. It's usually treated as an annual, but you can bring it indoors for winter—just be warned, it tends to drop leaves and be messy.Shop Now: Costa Farms Premium Flowering Mandevilla TrellisFan FlowerThe profuse blossoms of this low-growing annual look like tiny fans. Available in white, pink, and purple, this full-sun flower stands up to heat and drought like a champ. Plant it as edging along walkways, in containers, and in window boxes.Shop Now: Scaevola, FancySweet Potato VineThis handsome annual vine with its burgundy, chartreuse, or variegated leaves adds a punch to a mixed container. Just remember to give it plenty of room to spread.Shop Now: Ipomoea, Sweet Potato VineCatmintCatmint is a perennial that, once established, doesn't mind heat, poor soil, or drought. With silvery-green foliage that has a minty scent and spikes of purple flowers that pollinators love, it's a must-have in any garden.Shop Now: Neptune Catmint (Nepeta) Dormant Bare Root Perennial Plant (1-Pack)BidensCheery, daisy-like flowers in bright colors, such as orange and yellow, grow on this plant even at the height of summer. Plus, you don't have to deadhead it to keep the flowers coming.Shop Now: GOLDILOCKS ROCKS® BidensLavenderThis Mediterranean native is no stranger to heat and drought. It actually prefers sandy, rocky soils and doesn't like to stay too wet. There are many varieties of lavender, so make sure to choose the type that will grow best in your USDA Plant Hardiness zone.Shop Now: English Blue Perennial Lavender Angustifolia (2-Pack)DichondraSilvery-green foliage and a dense, creeping nature make this annual a spectacular filler for pots and window boxes. Plant it alone or in a mixed container.Shop Now: Dichondra, Silver FallsSalviaPerennial salvia is a hardy, reliable performer, and pollinators love it. It comes in pinks, blues, and purples and is typically avoided by deer and rabbits.Shop Now: Purple Salvia Live Flowering Perennial PlantAngeloniaAlso called summer snapdragon, this striking annual has bright spikes of pink, purple, or white blooms that last all season. Layer the delicate-looking but super-tough plant in beds or containers as an upright accent.Shop Now: Wedgwood Blue AngeloniaMarigoldThis hardy annual is a classic—it was probably your grandma's favorite! And it's popular the world over, from Mexico to India. Marigolds are super tough, so they'll tolerate a lot of heat and bloom until a hard freeze. They come in bright orange, yellow, cream, and variegated types.Shop Now: Marigold Plant Yellow Flower PetuniaThis old-fashioned annual blooms and blooms for reliable season-long color. New varieties don't need to be deadheaded to keep blossoming, and spread to fill in an area quickly. Petunias look especially smashing in hanging baskets and window boxes.Shop Now: White Easy Wave Petunia Annual Plant with White FlowersConeflowerThis cheery perennial comes in every shade of the rainbow. A coneflower is a pollinator fave, plus the seedheads provide winter food for birds.Shop Now: Coneflower (Echinacea) Cheyenne SpiritCalibrachoaThis one might resemble a petunia, but it's an entirely different plant. Best used in baskets or window boxes for maximum effect, this annual comes in amazing colors — ranging from hot pink to lemon yellow to vibrant orange and everything in between — with single or double petals.Shop Now: Proven Winners Superbells Rising Star Pink Calibrachoa Annual Plant (5-Pack)CaladiumPretty heart-shaped leaves with splashes of pink, green, and white make this foliage plant a stunner. Plant a caladium in its own container or within the landscape. It can survive winters in warm climates, or you can pot it and bring it indoors as a houseplant for winter in cold climates.Shop Now: Caladium Bulbs, Fancy Mix, Pack of 10Moss RoseThis low-growing annual — which is also called portulaca — has thick, fleshy leaves that retain water, so it's drought-hardy. Quite the beauty, it has bright flowers in shades of hot pink, yellow, red, orange, and white.Shop Now: Purslane Plant Purple Flowers in 4.5 In. Grower's Pot (4-Plants)HibiscusNative to tropical regions, hibiscus adds an exotic flair to any container. Available in an array of bright, saturated colors — from deepest red to pink, orange, and yellow — some types are perennial, others annual. Read the tag to be sure what you're buying.Shop Now: Grower's Choice Braided Hibiscus Tropical PlantCupheaAlso known as the cigar plant or firecracker plant, this is a favorite of hummingbirds. A cuphea plant is annual in most USDA hardiness zones, but perennial in some. Plant it in well-draining soil with medium moisture.Shop Now: Firecracker Plant Flowering Shrub with Scarlet Red FlowersPentasAble to handle the heat because it's native to Africa, this annual has starry blooms that come in an array of colors, such as pink, white, lavender, and red. Fun fact: Butterflies love it.Shop Now: Penta Plant Pink Flowers in 4.5 In. Grower's PotAgeratumThis hardy annual, also called floss flower because of its cute fringed petals, blooms all season without any need for deadheading. Bonus: Pollinators love ageratum!Shop Now: Blue AgeratumStonecropThis succulent is tolerant of dry and hot conditions, which is why it's a popular choice for rock gardens. It's a great alternative to grass or other types of ground cover if you're looking for a solution for troublesome areas in your yard. Some types have small flowers, but the real show is thanks to the plant's intricate shapes and varieties. Be sure to read the plant description because there are both annual and perennial types.Shop Now: Sedum AngelinaLemon VerbenaNative to South America, this popular citrus-scented plant is full of zest and flavor. Women in the Victorian era would even sew the leaves into their dresses for fragrance. It's a sweet, hardworking plant that blooms white flowers when summer is over.Shop Now: Live Aromatic and Healthy HerbsCrape MyrtleIt's impossible to go on an afternoon stroll and not take a picture of the light blush blooms on these flowering perennials. While a crape myrtle tree is beautiful year-round, it's a total showstopper in the summer. They're commonly seen in the southern states, but they can thrive further north as well.Shop Now: Proven Winner Red Center Stage Crape MyrtleLantanaNative to tropical environments and a pollinator favorite, this flower prefers full sun and moist but well-draining soil. Considered perennial, lantana is actually an annual that's tough and very forgiving and will tolerate both drought and blazing temperatures. It can grow into a small shrub in hot climates.Shop Now: Lantana Dallas Red Plant ZinniaWant to add pops of saturated color to your garden this summer? You can't go wrong with these beauties since they thrive in the sunniest locations and are easy to grow from seed. Heads up: They attract bees and butterflies.Shop Now: Burpee Cut & Come Again Zinnia Seeds