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Petunia

Petunia

One of the most popular annuals, petunias add mountains of color to gardens and containers. These tough plants are capable of putting on loads of blooms all season long and come in a wide variety of colors and patterns to suit any need. While most petunias available nowadays are complex hybrids, they used to come in roughly two general classes, grandiflora and multiflora. Grandiflora petunias were bred for their large, showy blooms while multiflora were bred for quantity over quality, producing numerous smaller blossoms.

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Light:

Sun

Type:

Height:

From 6 inches to 8 feet

Width:

1 to 4 feet

Flower Color:

Foliage Color:

Seasonal Features:

Problem Solvers:

Zones:

10-11

Propagation

Colorful Combinations

Petunias have always been known for their vast selection of colors and patterns, and now more than ever, the options seem almost endless. There are new varieties being released in new shades every year. Countless color options are available, along with patterns like stripes, splashes, and even hearts. The blossom size selection is quite diverse as well. Whether you're looking for a low-growing groundcover, a mounding type for containers, or a rambling wild plant to fill up some space, there is a petunia for every situation.

Create Stunning Hanging Baskets

Petunia Care Must-Knows

One of the characteristics that makes petunias such a valuable and commonly used plant is their ease of growth. Modern varieties require very little maintenance and aren't too picky in growing conditions. As long as they are planted in well-drained soils, they typically won't have any problems. In anything less, there is a chance that they could have problems with rot and fungal issues. Since petunias are such vigorous bloomers, they do need a substantial amount of nutrients to keep up their blooming power, so plant them in soils rich in organic matter. It is also beneficial to fertilize them fairly regularly throughout the growing season.

It is important to plant petunias in full sun, as anything less can lead to fewer blooms and lankier plants. Much like planting in wet soils, less than full sun can make plants more susceptible to fungal diseases. Part sun also allows soils to stay wet longer, increasing the likelihood of rot.

Similar to flowering tobaccos, a close relative, petunias can be susceptible to some pesky bugs, especially during the heat of the summer, but rarely in large enough quantities to be of concern. Keep an eye out for whiteflies and aphids, as they will most likely pester petunias. Petunias are fairly low maintenance, but older varieties, especially seed-grown types, may require deadheading to keep up a constant display of blooms. Meanwhile, most new types are self-cleaning, so deadheading is unnecessary. If they get too leggy, some petunias may also benefit from an occasional shearing back to help encourage a new flush of compact growth.

New Innovations

Every year, petunia varieties with new and unique colors and patterns are released. The latest trend in petunia breeding has been focused on pattern effects like heart-shaped coloring and spotting, where every petal is unique. Breeders are also constantly improving disease-resistance to make the plants tougher and longer-blooming. More and more, varieties are also being bred to be more compact, making them perfect for container gardens.

More Varieties for Petunia

Cascadias Bicolor Purple petunia

Petunia 'Cascadias Bicolor Purple' is a heavy-blooming variety bearing purple flowers with a white star in the center. It has a trailing habit.

Cascadias Cherry Spark petunia

Petunia 'Cascadias Cherry Spark' is a floriferous selection with pink flowers veined in dark purple. It has a trailing habit, making it good for hanging baskets.

Cascadias Sunray petunia

Petunia 'Cascadias Sunray' is a trailing petunia with medium-size soft yellow flowers veined in rich yellow.

Double Wave Blue Velvet petunia

Double Wave Blue Velvet Petunia bears double, purple-blue flowers on vigorous plants that reach 6 inches tall and 2 feet wide.

Dreams Fuchsia petunia

Petunia 'Dreams Fuchsia' is a large-flowering petunia bearing many bold fuchsia-pink flowers all summer. It grows 15 inches tall and 12 inches wide.

Easy Wave Blue petunia

Easy Wave Blue Petunia is a spreading petunia bearing tons of dark blue-purple flowers. It grows 12 inches tall and 40 inches wide.

Easy Wave Coral Reef petunia

Easy Wave Coral Reef Petunia is a spreading petunia with an abundance of dark coral-pink flowers. It grows 12 inches tall and 40 inches wide.

Easy Wave Mystic Pink petunia

Easy Wave Mystic Pink Petunia is a spreading selection that bears creamy-soft pink flowers with a white center. It grows 12 inches tall and 40 inches wide.

Easy Wave Pink petunia

Easy Wave Pink Petunia is a spreading hybrid with bright pink flowers all summer long. It grows 12 inches tall and 40 inches wide.

Famous Lilac Picotee petunia

Petunia 'Famous Lilac Picotee' is a vigorous variety with a semi-trailing habit and lilac-purple flowers edged in white. It grows 1 foot tall and 2 feet wide.

Fantasy Pink Morn petunia

Petunia 'Fantasy Pink Morn' bears soft-pink blooms with a white throat on compact plants that grow 1 foot tall and wide.

Madness Yellow petunia

Petunia 'Madness Yellow' is a floriferous selection with clean yellow blooms, great branching, and season-long performance. It grows 15 inches tall and 18 inches wide.

Merlin Blue Morn petunia

Petunia 'Merlin Blue Morn' offers rich purple flowers with a glowing white center. This award-winning variety grows 18 inches tall and wide.

Merlin Rose petunia

Petunia 'Merlin Rose' produces beautiful pink blooms with a white and yellow throat on plants that grow 1 foot tall and wide.

Opera Supreme Pink Morn petunia

Petunia 'Opera Supreme Pink Morn' bears bright pink flowers with a soft white center. This award-winning variety grows 6 inches tall and 3 feet wide.

Orchid Daddy petunia

Petunia 'Orchid Daddy' is an award-winning selection with 4-inch-wide lavender-pink blooms that bear darker veins. It grows to 1 foot tall and wide.

Picnic White petunia

Petunia 'Picnic White' is a mini petunia with an abundance of small white flowers. It grows 1 foot tall and 2 feet wide.

Pirouette Rose double petunia

Petunia 'Pirouette Rose' bears frilly, double, pink-and-white flowers on 1-foot plants. It's not as heat tolerant as many other petunia varieties.

Storm White petunia

Petunia 'Storm White' bears big pure-white flowers all summer long. It holds up to heat well and grows 14 inches tall and 16 inches wide.

Supertunia Bermuda Beach petunia

Supertunia Bermuda Beach Petunia is an easy-growing selection that produces an exceptional number of salmon-coral blooms. It grows 10 inches tall and 24 inches wide.

Supertunia Bordeaux petunia

(Supertunia Bordeaux Petunia) shows off soft pink flowers with rich purple-red veins. It's a vigorous plant that bears a lot of flowers and grows 10 inches tall and 4 feet across.

Supertunia Citrus petunia

(Supertunia Citrus Petunia) is a vigorous selection with soft yellow flowers veined in rich yellow. It's good for hanging baskets and can trail to 1 foot.

Supertunia Lavender Skies petunia

(Supertunia Lavender Skies Petunia) is a vigorous variety that covers itself in lovely lavender-blue flowers that seem to change color throughout the day. It grows 10 inches tall and 48 inches across.

Supertunia Mini Blue petunia

(Supertunia Mini Blue Petunia) graces gardens with small, dark blue-purple blooms. It grows 8 inches tall and can spread to 6 feet.

Supertunia Pretty Much Picasso® petunia

Rich purple flowers with deeper purple veins are edged in a bright chartreuse green. Zones 10-11

Supertunia Raspberry Blast petunia

A new color pattern in petunias, Raspberry Blast has bright pink blossoms with a deep violet edging for an interesting new effect.  Zones 10-11

Supertunia Royal Velvet petunia

Supertunia Royal Velvet Petunia displays an abundance of rich, blue-purple flowers all summer long. The vigorous selection grows 10 inches tall and 4 feet wide.

Sweet Sunshine Compact Lime petunia

Petunia 'Sweet Sunshine Compact Lime' is a delightful double-flowering petunia with chartreuse-yellow flowers all summer long. It grows 14 inches tall and wide.

Sweet Sunshine Compact Nostalgia petunia

Petunia 'Sweet Sunshine Compact Nostalgia' shows off beautiful, double soft-pink flowers touched with creamy yellow on a 14-inch-mounding plant.

Vista Silverberry petunia

Vista Silverberry Petunia offers silvery pink flowers on vigorous, long-blooming plants that grow 2 feet tall and wide.

Wave Blue petunia

Wave Blue Petunia liberally splashes bright purple-blue color through the garden, growing rapidly to 4 feet and blooming profusely all season.

Wave Misty Lilac petunia

Wave Misty Lilac Petunia shows off silvery, soft-lilac flowers on a plant that grows 6 inches tall and 48 inches wide.

Wave Purple petunia

Wave Purple Petunia is an award-winning selection with magenta flowers on 4-inch-tall plants that can spread 4 feet wide.

Wild petunia

Petunia integrifolia is native to areas of Mexico and bears magenta flowers all summer long. It scrambles to 2 feet and often self seeds.

Plant Petunia With:

Sweet alyssum
Sweet alyssum, with its dainty, fragrant flowers, is frequently used in containers and hanging baskets to spill over the edges, creating a soft, frothy look. It's also a great edging plant because of its tidy, compact habit. Regardless of how you use it, sweet alyssum does best in the cool conditions of spring and fall (or use it for winter color in very warm climates). In cool-summer conditions, such as the northern third of the United States, sweet alyssum will bloom steadily through the summer. It halts bloom in summer in warmer areas.
Heliotrope
Even without its fabulous scent, heliotrope would be widely grown in the garden. It has a distinctive scent—some say it smells like cherry pie, others say a grape ice pop. Still others say it's reminiscent of vanilla. Regardless, it is undeniably one of the most intriguingly scented plants in the garden. As a bonus, this tropical plant, grown as an annual, bears big clusters of rich purple, blue, or white flowers. Heliotrope thrives in a spot with full sun and moist, well-drained soil. It's a great container plant—try it in a window box or next to a doorway where you can enjoy it frequently. For the strongest scent, group several plants together where they can get afternoon sun, which helps release the fragrance.
Salvia
There are few gardens that don't have at least one salvia growing in them. Whether you have sun or shade, a dry garden or lots of rainfall, there's an annual salvia that you'll find indispensable. All attract hummingbirds, especially the red ones, and are great picks for hot, dry sites where you want tons of color all season. Most salvias don't like cool weather, so plant them outdoors after all danger of frost has passed.
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