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10 Stunning Petunia Lookalikes to Add to Your Garden

10 Stunning Petunia Lookalikes to Add to Your Garden

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Searching for flowers that look like petunias but have different characteristics? Whatever the reason you’re looking for a substitute, you’ve come to the right place!

In this post, I’ll provide you with a list of 10 plants that resemble petunias to choose between them. I’ll share all the information you need to know about each option so you can make an informed choice.

Let’s jump right into it!

1 – Calibrachoa (Mini Petunias)

It’s no surprise that Calibrachoas, best known as mini petunias, top this list.

Baby petunias are flowers that exactly resemble petunias but are notably smaller in size. But despite their similar appearance, each of these plants belongs to a distinct species.

This beautiful, colorful plant is low maintenance, which makes it a great option for busy gardeners. It produces flowers in a wide variety of colors: white, red, orange, purple, and pink, among others.

You can grow these flowers in a container or hanging basket or even as a ground cover in the spring.

The best thing about this plant is that its sun requirement and bloom periods are no different from that of petunias. So, if you’re familiar with petunia caring, you’ll have an easy time growing Calibrachoa.

Essential Facts About Calibrachoa

Genus nameCalibrachoa
Height6-12 inches
Width12-16 inches
Blooming timeSpring to Fall
Foliage colorDark green
Flower colorOrange, pink, red, purple, white, yellow, blue

2 – Flax Flower

Flax flowers are one of my favorites on the list, as they add that blue brightness I always look for in my garden. If you’re into blue-colored flowers like me, this plant will be your way to go.

The originally Mediterranean and Asian flowers are fast-growing and can fit any location that receives full sunlight.

They’re easy to grow because of their low maintenance requirement. You only need to focus on providing them with well-drained soil and full sun.

You can grow flax flowers in your garden or in containers.

Essential Facts About Flax Flower

Genus nameLinum perenne
Height1-3 Feet
Width9-18 Inches
Blooming timeLate spring to mid-summer
Foliage colorGreen
Flower colorBlue

3 – Cosmos

With their various color options, cosmos can add an out-of-the-world beauty touch to your garden. This petunia-like flower comes in orange, white, pink, purple, and yellow variations known for its rich shades.

It’s a fast grower and can flower within 50 days of germination if you probably care for it.

You can grow cosmos plants in containers, add them to your garden, or use them as borders. They also make excellent flowers for bouquets.

To ensure they’ll thrive in your backyard, provide them with full sun, plenty of water, and well-drained soil.

Essential Facts About Cosmos

Genus nameCosmos spp.
Height1-6 Feet
Width1-2 Feet
Blooming timeFrom midsummer to the first frost of fall
Foliage colorBlue or green
Flower colorPink, red, orange, white, yellow

4 – Katie Ruellia

Originating from Mexico, the fourth petunia alternative on the list is Katie Ruellia. If you’re into pink and purple shades, this plant should definitely be on your wish list.

This exquisite herbaceous perennial produces eye-catching purple and pink flowers resembling petunia.

Katie Ruellia requires low maintenance, and you can grow it easily in your garden or containers. It thrives in partial shade and moist but well-drained soil.

Essential Facts About Katie Ruellia

Genus nameRuellia brittoniana
Height1-3 Inches
Width2-3 Inches
Blooming timeFrom spring until frost
Foliage colorDeep green
Flower colorPink and blue-purple hue

5 – Angelonia

A purple and pink flower enthusiast? The eye-catching angelonia plant is another excellent petunias-like flower with gorgeous shades of white, purple, and pink.

You can use them as a border or add them to a container or hanging baskets. They can boost the beauty of your garden with their all-summer-long blooming.

These flowers are easy to grow and can survive in drought conditions. They’ll look the best when you provide them with full sun and well-drained soil.

Essential Facts About Angelonia

Genus nameAngelonia
Height1-3 Feet
Width1-2 Feet
Blooming timeFrom late spring until early fall
Foliage colorBlue and green
Flower colorPurple, red, white, blue, pink

6 – Impatiens

If you’re looking for petunia alternatives that thrive in cool temperatures and shady areas, consider impatiens flowers.

There are over 1,000 species of impatiens spread all around the world.

They come in various gorgeous shades, including purple, white, orange, pink, and red. They require regular watering, so they bloom from spring to frost.

Essential Facts About Impatiens

Genus nameImpatiens
Height1-3 Feet
Width1-3 Feet
Blooming timeSpring and summer
Foliage colorFrom medium to dark green
Flower colorRed, pink, purple, violet, white, orange, yellow, peach, apricot

7 – Scented-Leaf Geraniums

The scented-leaved geranium is a fast-growing plant that can grow perfectly in gardens or containers. It produces large, attractive flowers featuring pink, white, and red shades.

Besides its outstanding look, it’s also a fragrant plant that adds light fruit and citrus aroma to the space.

This South African native plant starts to bloom from late spring all the way to the end of the summer. It then goes dormant in winter.

Essential Facts About Scented-Leaf Geraniums

Genus namePelargonium
Height1-3 Feet
Width1-2 Feet
Blooming timeFrom late spring till the end of summer
Foliage colorLime green, gray-green, deep green, silvery, cream, gold
Flower colorPink, white

8 – Violas

Like petunias, violas are annuals that can fully grow in a single season and start to bloom with stunning flowers. You can find over 400 species of violas around the Northern Hemisphere.

These plants produce flowers in various colors, including yellow, blue, white, and purple. There’s even a viola variation that comes in black.

They’re easy to grow in containers, gardens, or even on borders. Violas thrive in moist, cold temperatures with well-drained, nutrient-rich soil.

Essential Facts About Violas

Genus nameViola
Height2-12 Inches
Width4-10 Inches
Blooming timeSpring, with some species blooming in summer and early fall
Foliage colorLight green
Flower colorPink, yellow, white, blue, black

9 – Mandevilla

The vibrant pink, red, and white flowers of mandevilla make it a lovely addition to any space. You can grow these low-maintenance plants in a container or a garden.

It’s a climber, so you’ll need to provide it with a trellis or fence to climb on as it grows!

Although it looks like a tropical plant, it can thrive in any place with full sun. It can also live in partial shade, similar to petunias.

Mandevilla thrives in high humidity levels. To provide it with the required humidity, add a bit of mulch near the base of the plant.

This will keep the soil moist for an extended period after watering. Nonetheless, you’ll also need to provide it with well-drained soil to prevent overwatering.

Essential Facts About Mandevilla

Genus nameMandevilla
Height3-10 Feet
Width3-6 Feet
Blooming timeFrom late spring to frost
Foliage colorGlossy green
Flower colorPink, white, red

10 – Tropical Hibiscus

Tropical hibiscus is your best petunia alternative if you live in a warm climate. In such a climate, you’ll enjoy its blooming all year round.

This large tropical perennial has leaves that stay green all year round. So, it will partially maintain its beautiful look even if it doesn’t bloom year-round.

This plant is a fast grower and features large, showy blooms in purple, pink, orange, white, and red shades.

It requires moderate maintenance; you’ll only need to provide it with occasional fertilizing and regular watering. It also has sun requirements similar to those of petunias.

Essential Facts About Tropical Hibiscus

Genus nameHibiscus
Height8-15 Feet
Width4-8 Feet
Blooming timeAll year round in warm climates – From spring to late fall in colder climates
Foliage colorLight green
Flower colorPurple, pink, red, orange, yellow, white

Final Thoughts

Now you have a long list of flowers that look like petunias! No matter why you want to replace petunias with other plants, these options make great substitutes.

Take a close look at each and pick what perfectly meets your color preferences and garden style. In addition, consider the available space and your area’s climate to make the best choice.

Hopefully, this post has provided you with all the information you were looking for.

Happy gardening!

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