Heat Tolerant Flowers

Heat Tolerant Flowers – List of 23+ Captivating Plants With Pics and Care Tricks

When trying to assemble a new yard, update your garden, or enhance your containers, many factors come into the decisions you’re making and the flowers you end up choosing.

One of the things you have the least control over when it comes to environmental conditions is probably the weather. Depending on the climate you’re in, the temperature will differ, so if you happen to be living in a warm zone, here are 24 heat tolerant flowers you should choose from.

Heat Tolerant Flowers - verbena

1. Pentas

Pentas Plant Care - How To Grow Pentas Flowers

Pentas, also known as Egyptian stars are tropical blooming flowers, come in various colors and last for most of the year.

They are usually planted in containers, but can also be used as bedding plants.

When cold weather comes, they will most likely die back, but to keep them alive, you can try growing them indoors.

As they are a tropical species, Pentas are highly heat-tolerant and thrive when exposed to full sun and plenty of water.

2. Hibiscus


Hibiscus is a plant you might enjoy as a tea, but just as it gives a great flavor when drenched in boiling water, it works even greater as an ornamental flower in a tropical garden.

Hibiscus is extremely low-maintenance, requiring full sun exposure for at least six hours in a day, and some light shade in the afternoon.

It thrives in hot weather and humid conditions, and it’s best to grow it in a container full of well-draining soil.

Another fun thing is that it attracts hummingbirds and butterflies, but bees too so you might want to be careful around it.

3. Brazilian Jasmine

Brazilian Jasmine

As the name suggests, his one is native to the tropical environment of Brazil, so naturally, it likes to be surrounded by heat, sun, and humidity.

It comes in colors like red, yellow, white, and various shades of pink.

Brazilian Jasmine is an evergreen perennial so once you get the hang of it, you will have this one around for a long time.

The soil should be well-drained, and of course, there should be a lot of time in the sun provided.

If you live anywhere that isn’t warm all year round, then make sure you take it indoors starting from early fall up until spring.

If you’re anywhere between zone 9 and zone 12, you will have blooms throughout the year.

4. Geranium


Geraniums are popular bedding flowers, but can also be found in hanging baskets indoors.

They need to be grown in well-drained soil and before watering them, you must be sure that the soil has dried down completely.

Their bloom starting in spring, all the way until late summer and they need to be in full sun.

As most heat-tolerant flowers, these ones need to be placed indoors when colder months start.

When the growth is active, Geraniums should’ve fertilized every 2 weeks.

5. Petunia


Petunia is a well-known flower even beyond the gardening world.

This annual plant can grow anywhere between 8 and 30 inches tall, and comes in a variety of colors, mostly in pink, red, and purple tones. Some are bi-colored, too.

Petunias grow quite well in all of the growing zones, they need to be in full sun, and to be watered weekly to a depth of 6 to 8 inches.

They require a lot of watering because they are fast growers, so they bloom all of the time and in very hot periods they might require to be watered twice a day.

Petunias also attract a lot of bees and butterflies.

6. Bidens

Bidens Plant: Care and Growing Guide

Bidens are flowers native to Hawaii, Mexico, and warm parts of Europe, most known for the pointy leaves and orange and yellow flowers.

Depending on the climate they can be either perennial or annual, and they bloom in summer.

When planting them, make sure the soil is well-drained and rich, and that the placement can require full sun exposure, which is preferred even though the partial sun can work too.

A good thing about Bidens is that they are very drought-resistant, and they need around one inch of water a week to stay satisfied.

7. Globe Amaranth

Globe Amaranth

This flower is native to Central America, and is, therefore, a great choice when you need something that is heat tolerant.

The flowers bloom basically non-stop and that’s why they are among the first choices when it comes to containers and beds.

Globe amaranth is also drought tolerant and deer resistant and grows between 1 and 3 feet tall.

The color of the foliage is green with hints of blue, and flowers come in a variety of colors like purple, red, white, and pink.

To have your Globe amaranth thriving, make sure you keep it somewhere with a lot of sun exposure, of course, hot weather, and the container or garden should have well-draining soil.

8. Spider Flower

Spider Flower

If you need to spice things up in your garden, then this interestingly named and exotic-looking flower may be just the right choice for you.

Spider flowers are native to South America, and bloom in the summertime.

They grow to be 3 to 4 feet tall and are a great centerpiece for any annual garden.

As mist heat-tolerant flowers, Spider flower likes to be exposed to full sun and grows best when planted in well-drained soil.

Also, this one is quite a drought-tolerant plant, so watering it shouldn’t be excessive even in a heatwave.

9. Lantana


With bright orange-yellow tones, Lantanas are great to have among your other heat-tolerant plants.

They have an extended bloom time and come in a variety of colors.

Depending on the zones they grow in, Lantanas can either be annuals or perennials and work well wherever you plant them – gardens, containers, or even hanging baskets.

Lantana should be planted in a spot that gets a lot of full sun, and while they are tolerant to most kinds of soil, they work best when it’s well-drained.

While it’s still newly planted, Lantana needs to be watered as much as possible, but once settled in it’s low-maintenance and tolerant to drought.

10. Moss Rose

Moss Rose

Roses might usually look like quite gentle flowers even though they are not, so here is a stunning variety that can handle the heat exceptionally well.

Next to growing colorful pink, orange, and yellow flowers, this plant has foliage that can make a great option for a ground cover.

This flower is actually an annual flowering succulent and it blooms from early summer up until frost starts appearing, making it tolerant to a variety of conditions, heat especially.

Its hardiness zones include everything between zones 2 and 11.

Moss Roses work great in containers and hanging baskets, and small gardens as well.

Once you have it, keep it in dry soil as overwatering will most likely kill them.

11. Marigold

Marigolds are flowers often seen in public areas such as parks, and that is a good indicator of how tolerant and low-maintenance they are.

They work well in both full sun and partial sun and in hardiness zones 3 to 11.

When choosing a soil, opt for the sandy kind and plant them between early spring and midsummer.

Make sure they are in an area that gets a lot of full sun and make sure that when you water them, you don’t do it overhead but at the base of the plant. This way you will avoid the appearance of powdery mildew.

12. Canna

Canna Lily

Canna is a beautiful plant easily recognized by the rich burgundy and green foliage and bright orange and yellow flowers.

It blooms in summer and fall, with hardiness zones being from zone 7 to zone 11.

When planting Canna, you should provide it with some moist and well-draining soil and a spot full of sun.

When the heat gets particularly high, water them more than you usually do.

If you want to have continued flowering, then you should do some deadheading as the flowers begin fading.

13. Salvia


Salvia is a great choice when looking for heat-tolerant plants, specifically if you need something that grows up to 5 feet tall.

It blooms during summer and fall and it’s heat-tolerant, drought-tolerant, and deer-resistant.

Salivas thrive in full sun and soil that’s well-drained, but can also survive when in a partial shade with reduced flowering.

The plant doesn’t like excessive watering and you should water more intensely only when there’s less than 1 inch of rain weekly.

If you want to have continuous blooms during the blooming season, then some deadheading will be required.

14. Sweet Alyssum

Sweet Alyssum

If you fancy having tiny white flowers that could also work as a ground cover, then Sweet Alyssum may be the next addition to your garden.

This one is native to the Mediterranean, so it is for sure very tolerant to heat in most zones.

Sweet Alyssum likes getting at least 6 hours of sunlight daily, but if you live somewhere with extreme heat, then make sure this plant and the garden get some protection from the afternoon sun.

When it comes to blooming, it starts in spring and you can expect the flower to be in bloom all summer long, and up until hard frost starts.

In the summer, they also give out a honey-like scent.

15. Rose


If you are a lover of classics then you will be delighted to know that roses are actually quite tolerant and you can enjoy their beauty all season long.

The famous red flowers are surprisingly easy to grow and can stay the main attraction of your garden even when the summer gets exceptionally hot.

Roses should be planted somewhere with a lot of suns, watered evenly, and fertilized regularly to get the best possible results.

They are as easy to grow as any other flowering shrub.

16. Bolivian Begonia

Bolivian Begonia

As the name suggests, this variety of Begonia is great for a hot climate.

They are known for the hanging flowers, usually colored in a shade of red, orange, purple, pink, or white, and the foliage is green and not too dominant.

Bolivian Begonia blooms during late spring and fall, and it’s a very hardy plant that can survive most conditions.

This one should be watered approximately twice a week, especially in a hot climate. It can grow well in a sunny spot as well as in a partial shade.

17. Moonflower


This tropical white beauty can be the perfect flower for your yard or a container, especially if you live somewhere in the warm climates, and need a hardy and resistant flower to brighten things up.

Moonflowers are perennials in sub-tropical areas, in zones 10 to 11, but if you want them in colder climates, then they will grow as annuals.

These plants don’t need much space when it comes to width, however, they grow as a vine and climb upward, and can reach up to 20 feet.

The Moonflower plant is adaptable to any kind of soil so adding it to your garden won’t be a problem.

This plant is adaptable to any kind of lightning, but usually having more hot sunlight will result in more blooms.

18. Verbena

Verbena Flower

Verbena is a perennial flower perfect if you want to have colorful sights in your garden all season long.

This one will thrive even when planted in the driest area of the garden if it is also the sunniest one.

Verbena blooms during summer, and once it blooms it can survive the greatest heat.

These flowers can be annuals as well as perennials and you should opt for the perennials if you live in an excessively humid environment.

This one is quite hardy, so there are no specific soil requirements, except that it mustn’t get soggy.

When planted in proper conditions, you can expect blooms in the first season.

19. Blanket Flowers

Blanket Flowers

As the name suggests, the blanket flower will be a great choice if the ground of your garden needs hardy bedding that will survive any kind of heat.

You may notice that the Blanket flower is quite daisy-like, and that’s because they are related, belonging to the daisy family.

This one is a perennial, and it blooms in early summer, all the way until the first frost starts to appear.

If you prefer to have annuals, it’s still possible to have this one, just make sure you’re getting the species called Gaillardia pulchella.

When it comes to caring, Blanket flowers will thrive in a lot of suns so make sure any shade is avoided.

This flower is extremely heat-loving, and having it in your yard will also bring butterflies with it.

20. Desert Rose

Desert Rose

Another tropical variety of roses is among the heat-tolerant plants, and this one is even associated with a Sting song of the same name. Who wouldn’t want that kind of tropical in their garden?

As the name suggests, this variety of roses is extremely heat-tolerant and loves an environment that resembles its native roots of Africa and Arabia, hot weather included.

What’s nice about Desert Rose is the fact that it’s more than easy to grow, so even if you’re a pure amateur when it comes to gardening, you can absolutely consider having it in your yard.

These plants will love the outdoors and being in a container on the patio as long as it’s warm outside, but once winter comes the best course of action is getting it inside, as it won’t survive being exposed to temperatures below 40 degrees F.

To be sure that your plant is healthy, look at the stems, and if the trunk is swelled, that means everything is okay, as the trunk is where Desert Rose has water storage.

If the stem is skinny, that means it needs way more moisture.

Just like the desert, the soil should be kept dry and in the place, as exposed to sunlight as possible.

21. Million Bells

Million Bells

If you want a plant that tolerates most conditions, colorful, and is also great as a cascading flower in a hanging basket, then Million Bells is what you’re looking for.

This one is annual and usually planted in the spring.

It blooms from spring and all the way into deep fall days when the first frost starts to appear.

The flowers themselves come in a variety of bright shades, ad the foliage is bright green, oval, and compact.

For best growth, make sure it stands somewhere with a lot of exposure to sunlight, and that the soil you plant it in is well-drained.

If you are, however, somewhere in the hardiness zones 9 to 11, then Million Bells will grow as a perennial.

When watering Million Bells, you should keep them moist at all times, and never let the soil to get all dry.

If you have them in a hanging basket, then do the “swing test”: if the basket seems light when you push it and it swings easily, then it’s time for watering.

22. Sunflower


Sunflowers are an amazing choice for summer and hot weather in general.

One of the most Instagram-friendly plants right now and it’s not even that hard to take care of. Also, the year 2021 was named The year of Sunflower, so there’s no better time than now to add it to your yard.

What’s obvious is that the place you plan on for planting this one should be drenched in sunshine.

Unless you’re having unusually dry or wet weather, then watering once a week with several gallons of water should be enough.

When fertilizing, do it sparingly as too much fertilizer can result in stem breaking.

If the species you planted is one of the tall ones, then make sure your Sunflowers have some support – like bamboo stakes.

23. Dwarf Honeysuckle

Dwarf Bush Honeysuckle

If you need a heat-tolerant shrub added to your landscape, then Dwarf Honeysuckle might be just the thing you’re looking for.

The flowers when they bloom are yellow, and this one is very drought tolerant and can adapt well to urban living conditions.

This one blooms in summer and likes to be either in the sun or a partial shade.

When watering, it’s best to let the soil go dry between waterings, and the soil type should be moist.

When it comes to fertilizing, this one should be fertilized every 2 or 3 years.

24. Ground Orchids

 Spathoglottis Orchid

If you’re a lover of orchids then you will be delighted to know that when it comes to heat-tolerant plants, there is also a kind of orchid that is perfect for such an environment.

Ground orchids are great for flower beds in areas that are constantly warm.

However, when everything starts cooling down it’s best to bring them in and keep them indoors until the weather is warm again.

When it comes to watering, Ground orchid likes to stay moist, but the roots shouldn’t stay wet at all. The best solution for this is to allow the surface to dry out before watering again.

Regular fertilization will be needed as this is a heavy feeder, so fertilize every four to six months.