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11 Heat-Tolerant Plants That Will Make Your Garden Gorgeous

11 Heat-Tolerant Plants That Will Make Your Garden Gorgeous

Garden Planning & Design, Perennials, Planting TipsJune 14, 2023diane

Baby, it’s hot outside! So hot, in fact, that we’re breaking records.

No matter how much you’ve longed for warm days after shivering all winter long, our new climate reality may make you appreciate winter’s chill.

Scorching summers and dangerous droughts might make you despair, wondering how you’ll beat the heat and ever grow a gorgeous garden.

With climate change producing prolonged periods of extreme heat and drought, what’s a gardener to do?

How to Beat the Heat

  1. Check out these water-wise tips to prep your garden for summer’s angsty days.
  2. Choose the perfect plants that hold their heads high and laugh at sweltering heat and sunny, cloud-free skies. Increased heat and drought does not have to relegate your garden to a collection of cacti.
  3. Look for these highlighted award winners and new introductions to get your summer garden growing.
Rudbeckia are a great choice for drought and heat tolerant plants for your garden

Rudbeckia

Everyone adores Rudbeckia. Those classically cheerful, brilliant blooms fill gardens with low-maintenance joy.

From blanketing landscapes in vibrant colors to filling cutting gardens for beautiful, bountiful bouquets, rudbeckia makes an ideal addition to hot, sunny gardens.

Plus, these pretties attract bees, butterflies, and beneficial predatory insects to your garden, helping to keep aphids, thrips, and whiteflies at bay.

And, if you enjoy backyard birding, keep your eyes peeled for feathered friends enjoying a snack of rudbeckia seeds in the fall and winter.

With its extreme heat tolerance, late-summer flower-power, and versatility in the garden, it’s no wonder we’re celebrating the Year of the Rudbeckia!

Some heirloom or native varieties of rudbeckia tend to grow a little lanky or may succumb to powdery mildew.

Luckily, newer introductions focus on extended flowering, larger blooms, diverse colors, better branching, and more compact plants for smaller spaces.

Because they’re such easy, adaptable, gorgeous plants, many rudbeckias received AAS Winner status throughout the years like these two recent winners…

If you’re looking to cover a large landscape in long-lasting blooms or prefer to plant in a patio pot, rudbeckia makes a smart addition to hot, dry gardens.

Anerican Gold Rush from Danziger - Year of the Rudbeckia - National Garden Bureau

American Gold Rush 

This compact, upright, domed-shaped beauty blooms from late summer until the first frost. The golden-yellow flowers with arched petals pair beautifully with other heat and drought-tolerant perennials and annuals for a stunning summer show.

Bred to resist Septoria Leaf Spot with the foliage remaining clear even in humid conditions.

Amarillo Gold from Benary - Year of the Rudbeckia

Amarillo Gold 

With big bursts of 4- to 6-inch blooms that cover the entire plant, Amarillo Gold brightens hot, dry gardens all summer long. The pretty golden flowers with green center cones bloom earlier than many rudbeckias—and keep flowering throughout fall.

Growing only 12 to 18 inches, it’s the perfect choice for containers or smaller gardens.

Prairie Sun AAS Winner - Year of the Rudbeckia - National Garden Bureau

Prairie Sun

Beautiful 5-inch, golden-yellow flowers with a light-green center cone cover this branching rudbeckia. The long stems make Prairie Sun an excellent choice for cut flowers, while the 3-foot-tall plant blends beautifully into mixed beds or thrills in container gardens.

Prairie Sun plants become a forceful focal point in any large container.

Beginner Tip for the New Gardener

Container Gardening? Even with drought-tolerant plants, container gardens need more attention to watering than landscape plants, as containers dry out quickly.

Lantana Bloomify Rose by Ball Flora - Year of the Lantana - National Garden Bureau

Bloomify™ Lantana

Lantana makes a gorgeous addition to hot, dry gardens, attracting butterflies and hummingbirds to the pretty clusters of petite flowers. By mid-summer, though, many varieties begin to set seed and need pruning to keep the plant flowering throughout the season.

Bloomify™ to the rescue! The first certified sterile lantana series, Bloomify™ plants keep flowering all summer long—even in intense heat and drought. Unlike some varieties that take over garden beds with tall, lanky branches, this pretty, mounded lantana plays nicely with other plants in the garden.

Fan Flower Surdiva® Lilac Mist are a great heat tolerant plant

Surdiva® Scaevola

Gardeners love fan flowers for colorful displays in hanging baskets and containers because they look great even in extremely hot conditions. Older varieties can also be a little wild and rangy, with sparse flowers on leggy plants. They often require pinching but new fan flower varieties are easier to maintain.

Surdiva Scaevola has a compact plant habit that sports large flowers with vibrant colors. The brilliant blooms provide a stunning display, whether used as a ground cover, spiller in a container, or singular showpiece in a hanging basket.

Beginner Tip for the New Gardener

All new plants, even drought-tolerant ones, need water while establishing their root systems and during periods of extreme drought. New plantings need a bit of pampering to develop into strong, drought-tolerant, mature plants.

Butterfly Bush Chrysalis Blue bred to be drought-tolerant

Chrysalis Blue Butterfly Bush

This series was bred and selected for its profusion of flowers that attract butterflies. The compact size means it will look great in a hanging basket or in a container.

Continous blooms from spring to late summer this series is tolerant of rain and drought, with downy mildew resistance.

Flamma Orange from Park Seed - Year of the Celosia - National Garden Bureau

Flamma Orange Celosia

This compact series has numerous branches, each with a strong flower plume, as well as secondary blooms, which give a long show of color in the garden without fading.

Not only does Flamma have exceptional heat tolerance but also stuns with its early flowers that won’t fade. Looks great in both beds or in containers.

National Garden Bureau Expert Tips

Do you know that National Garden Bureau members include the most innovative breeders of heat- and drought-tolerant plants? Whether you’re looking for annuals that bloom even during summer’s hottest days, pretty perennials that are tolerant of drought, or plants that provide big bursts of color without wilting, you’ll find the latest, greatest plant varieties from NGB members.

Mandevilla Madinia Elegant Velvet Red - tropical plant perfect for heat and drought tolerantance

Madinia Elegant Velvet Red Mandevilla

Mandevilla plants thrive in the summer heat, displaying their exquisite, tropical funnel-shaped flowers all summer long.

You’ll love the tropical staycation feeling it evokes, and hummingbirds will appreciate the profuse blooms as they swoop in for a drink.

Agastache Mint Queen Nectarine is great for drough resistance and heat

Queen Nectarine Agastache

A great pollinator magnet for hot, dry, sunny climates.  Soft peach flowers are held on mauve calyxes which hold their color after the plant stops blooming, extending interest into fall.

Resist to deer, these fragrant flowers attract bees, butterflies, and hummingbirds.

Russian Sage Bluesette is a heat-tolerant and drought-resistant perennial

Bluesette Russian Sage

This heat and drought-tolerant perennial produces a pleasing sage fragrance and attracts bees and butterflies while offering deer resistance to your containers and garden.

Bluesette has a controlled, smaller habit and bursts into flower early in the season.

Kangaroo Paw Celebration Fireworks is a heat and drought tolerant plant for your garden

Kangaroo Paw Celebrations™ Series

With its heat and drought-tolerance, anigozanthos makes a great addition to liven up summer gardens.

Clusters of fuzzy flowers add texture to the garden, while the beautiful blooms make long-lasting additions to bouquets.

With National Garden Bureau members working hard to provide plenty of heat- and drought-tolerant options, you can create a gorgeous garden that thrives as the temperatures rise.

Plus, look on the bright side: with fewer rainy days in the forecast, you’ll spend more time enjoying the garden.

So, slather on the sunscreen, put on your hat and prepare to plant for our new climate reality.

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About National Garden Bureau

Founded more than 100 years ago, the National Garden Bureau educates, inspires, and motivates people to grow home gardens. National Garden Bureau members are horticultural experts, and the information shared with you comes directly from these experts to ensure your gardening success.

“This post is provided as an educational/inspirational service of the National Garden Bureau and our members. Please credit and link to National Garden Bureau and author member when using all or parts of this article.”

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3 comments. Leave new

Linda Langenbacher
June 20, 2023 5:10 pm

Wonderful news and suggestions for deer resistance

Reply
Thomas
June 16, 2023 11:51 pm

Good selections of various plants

Reply
Lois jacobs
June 16, 2023 10:22 pm

Need to get some of these flowers for drought.

Reply

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