The ASPCA makes it very clear that petunias are not toxic to dogs, cats or other animals, but their website contains a very lengthy list of other, equally pretty plants that are mildly or lethally toxic.

Hereof, Do hummingbirds like Mexican petunia?

It is a ‘Ruellia brittoncana’ or Mexican petunia. They resemble the petunia flower we are familiar with, but the two plants are NOT related. Butterflies and hummingbirds are attracted to the colorful blooms, which makes the plants popular with backyard gardeners.

Will Mexican petunias grow in shade? Mexican petunia grows and blooms best in full sun or partial shade. It will grow in shade, but doesn’t bloom as much and looks leggy and lanky. This sun-loving perennial likes rich, slightly moist soil so mulch the plants to maintain consistent soil conditions, especially during hot, dry weather.


33 Related Questions Answers Found

 

Should you cut back Mexican petunias?

In general, the only pruning a Mexican petunia requires is an annual pruning in late winter or early spring to remove damaged, weak or otherwise undesirable stems back to the base of the plant. Cutting back spent flower stalks during the blooming period helps maintain a neat appearance.

Can Mexican petunias be planted in pots?

Mexican petunias can be grown in pots. As long as they’re placed in a sunny spot, they grow well in indoor pots and outdoor planters alike. As a fast-growing shrub, they may need to be repotted more frequently than other plants.

Do Mexican petunias need full sun?

Light. Mexican petunia bushes take full sunβ€”the more direct sun they receive, the more flowers will bloom. They can withstand shade and partial shade but will be less productive if planted in these areas.

How long do petunias last?

How long do the plants themselves actually live for, or perhaps you want to know how long the flowers last once your petunias bloom? To tackle the first part of the question, petunias can live for 2 or 3 years but generally behave as annuals because they can’t survive the freezing temperatures of the winter.

Should you cut back Mexican petunias?

In general, the only pruning a Mexican petunia requires is an annual pruning in late winter or early spring to remove damaged, weak or otherwise undesirable stems back to the base of the plant. Cutting back spent flower stalks during the blooming period helps maintain a neat appearance.

How fast do Mexican petunias grow?

Mexican Pansy Quick Reference Chart
Bloom Time: Spring, Summer, Fall Any
Exposure: Sun or shade Any
Time to Maturity 1-2 months Well-draining
Spacing 12 inches Lantana
Planting Depth: 1/4 inch Tall type – borders and mass plantings Dwarf type – edging

How big do Mexican petunias get?

3 to 4 feet tall

Can you grow Mexican petunias from cuttings?

How big do Mexican petunias get?

Cold-hardy in UDSA Zone 7 and southward, Mexican petunia grows 3 to 4 feet tall with attractive, purplish stems and narrow, lance-shaped leaves. Showy blue or purple flowers, beloved by butterflies and hummingbirds, appear from early summer through the fall.

Can you take cuttings from petunias?

Take cuttings from the plant in the fall before frost arrives. Rooting petunia flowers is very simple as long as you prepare correctly. Make a mix of equal parts peat moss, sand, and plant food. Wrap the leaves in a damp paper towel until you can bring them inside to plant.

Does Roundup kill Mexican petunias?

The best bet is to treat the foliage of the plants with glyphosate and kill them back to the root. If your Mexican petunias are in the lawn or other delicate area where spraying herbicides might not be a great idea, you can cut the plants back by hand.

How much heat can petunias tolerate?

Temperature Range. Most petunias freeze to death at about 30 degrees Fahrenheit. Petunias grow in regions where up to 210 days out of the year are above 86 degrees Fahrenheit, according to the American Horticultural Society. That is the society’s highest possible designation for heat tolerance.

How long do petunias last?

How long do the plants themselves actually live for, or perhaps you want to know how long the flowers last once your petunias bloom? To tackle the first part of the question, petunias can live for 2 or 3 years but generally behave as annuals because they can’t survive the freezing temperatures of the winter.

Can you grow Mexican petunias from cuttings?

Mexican petunia is a shrubby, evergreen perennial in U.S. Department of Agriculture plant hardiness zones 8 through 11. When the plant is not spreading quickly enough, Mexican petunia can be propagated by tip cuttings in spring.

Is Petunia a perennial?

Care of Petunias During Winter

If you find insects, treat the plants before bringing them indoors. Water the plants thoroughly and place them in a cool but above freezing location. Look for a spot in your garage or basement where they’ll be out of the way. Check overwintering petunias every three to four weeks.

Is Petunia a perennial?

The best approach is to water just enough to keep the soil consistently moist. While these plants are sturdy and can go without water for a long time, young Mexican petunia needs regular watering. During the colder months of the year, refrain from overwatering and water only when the soil is visibly dry.

Is Mexican petunia toxic?

brittoniana is completely non-toxic; however, its absence from the lists is a good indication that it is harmless.

Will Mexican petunias grow in shade?

Mexican petunia grows and blooms best in full sun or partial shade. It will grow in shade, but doesn’t bloom as much and looks leggy and lanky. This sun-loving perennial likes rich, slightly moist soil so mulch the plants to maintain consistent soil conditions, especially during hot, dry weather.

Are Mexican petunias poisonous to dogs?

The ASPCA makes it very clear that petunias are not toxic to dogs, cats or other animals, but their website contains a very lengthy list of other, equally pretty plants that are mildly or lethally toxic. For that reason, it’s not a good idea to allow or encourage dogs to lunch on flowers.

Will Mexican petunias come back after a freeze?

At times, frost-injured plant parts can be cut back, and plants may outgrow the damage. Petunias can survive the light frost of southern climates, as petunias will come back in the spring following a hard freeze. In USDA zones 9 and 10, where frost is rare or later in the season, you can enjoy petunias well into fall.

How do you transplant Mexican petunias?

Like much of gardening, choosing deer-resistant plants is not an β€œexact science.” Some plants, such as balloon flower and Mexican petunia, will be eaten some years and left alone other years. Do not assume that a native plant is deer-resistant.

Can you take cuttings from petunias?

Although most commonly grown from seeds, trailing and other cultivars of petunias also grow from cuttings. However, gardeners with the time and effort to invest in proper care can successfully root cuttings taken in mid-spring from actively growing petunias and produce healthy plants that bloom prolifically all summer.

Why is my Mexican petunia not blooming?

The plant may bloom when it is lightly shaded for part of the day, but as a rule, a petunia not blooming can be because it does not get at least six hours of direct sun per day. Ground planted, non blooming petunias can get more sun by thinning or trimming surrounding plants that may be shading them.

Why is my Mexican petunia not blooming?

Petunia are half hardy annuals. They will often survive the first frost if it is light. They will not survive a hard frost or freeze. Perennial varieties of Petunias will emerge again in the spring ,in southern areas of the country.

How do you grow dwarf Mexican petunias?

Plant specs

Dwarf Mexican petunia will grow in full sun to partial shade (though you’ll get the most flowers in more sun). These plants are cold hardy. In Zone 9B they may die back in winter but usually bounce back in spring. Even in Zone 10, some leaves may turn a reddish color during winter’s cold snaps.

How often should I water petunia seeds?

Garden Beds

Newly planted petunias need evenly moist soil for the first few weeks after planting, to establish a healthy root system. Once established, reduce watering to once every seven to 10 days. Provide 1 to 2 inches of water at each irrigation, which is enough water to moisten the top 6 to 8 inches of soil.

Will Petunias come back every year?

Store petunias indoors during the winter to grow them again the next year. Petunias are typically treated as annuals. They are planted in the spring, bloom throughout the warm months and then die in the fall when temperatures begin to drop. Petunias, though, are actually perennials.

How low a temperature can petunias tolerate?

However, petunias usually tolerate temperatures as low as 39 F. (4 C.) with no problem, but they are definitely not plants that will survive the winter in most climates. Petunias are damaged extensively at 32 F.

Will deer eat Mexican petunias?

Garden Beds

Newly planted petunias need evenly moist soil for the first few weeks after planting, to establish a healthy root system. Once established, reduce watering to once every seven to 10 days. Provide 1 to 2 inches of water at each irrigation, which is enough water to moisten the top 6 to 8 inches of soil.

Do petunias like full sun?

When the plants have three leaves, you can plant them outside. It’s best to buy transplants and plant them in light, well-drained soil in full sun after the last spring frost. (See your local frost dates.) Petunias can grow in partial shade, but they will have fewer flowers.

What temperature will kill pansies?

Like much of gardening, choosing deer-resistant plants is not an β€œexact science.” Some plants, such as balloon flower and Mexican petunia, will be eaten some years and left alone other years. Do not assume that a native plant is deer-resistant.