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  • 11/1/2021
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Are 4 o clocks invasive?

Looking for an answer to the question: Are 4 o clocks invasive? On this page, we have gathered for you the most accurate and comprehensive information that will fully answer the question: Are 4 o clocks invasive?

Four o'clock grows as a perennial in Florida. The flowers can be red, magenta, pink, yellow, or white, sometimes with more than one color on the same plant, and even bi-colored.


Four O'Clocks. Native to Peru and cultivated for hundreds of years, this drought-tolerant plant has fragrant and colorful blooms. Named for the time of day its flowers open (give or take a couple of hours), this was a popular "passalong" plant among Southern gardeners.


I started them early, in April, for planting outside in mid May. The Four O'Clock plants were lush and bright green. The reached 18 inches to 2 feet tall and wide. The flowers opened about 6 or 7pm and remained open until about 10am in my cool summer night climate. Deer, voles, and rabbits did not touch them at all.


Four O'Clock, Marvel of Peru (Mirabilis jalapa) are very invasive in my yard. The tubers are difficult to dig up and not killed by chemicals such as Roundup which I don't like to use anyway. The plants show up everywhere. The plants are beautiful and the blooms are magnificent, however.

Do 4 O clocks come back every year?

Four o'clocks are easy to grow from seed. Plants get to be two or three feet tall in sunny spots or in part shade, and they bloom from midsummer until frost. In relatively warm-winter climates, four o'clocks will come back every year from tubers that overwinter in the ground.


Can you cut back four o clocks?

No pruning is really required, but if you remove wilted flowers when they appear, this will enhance production of new flowers. Even though it tends to become invasive because four o'clock flower re-sows itself year after year, it is still quite easy to control its growth by pulling out excess plants when they sprout.


Do four o'clocks attract butterflies?

Four o'clock flowers grow and bloom abundantly in the summer garden. Blooms open in the late afternoon and evening, hence the common name “four o'clocks.” Highly fragrant in a range of colors, the four o'clock plant sports attractive flowers that attract butterflies, bees, and hummingbirds.


What is eating my four o clocks?

The leaves of four o'clock plants are a source of food for aphids, also known as plant lice. They are small, pear-shaped insects that are often black, brown or green, although they can be other colors. ... Aphids are most commonly found in groups on the undersides of leaves where they suck out the plant juices.


Can you cut back 4 O clocks?

No pruning is really required, but if you remove wilted flowers when they appear, this will enhance production of new flowers. Even though it tends to become invasive because four o'clock flower re-sows itself year after year, it is still quite easy to control its growth by pulling out excess plants when they sprout.


Do four o'clocks spread?

This plant gets its common name because its blooms open in the late afternoon, or around 4 p.m. They stay open until the next morning. ... Four o'clock plants grow and spread quickly under optimal conditions.


Are 4 Oclocks toxic?

You are right: Japanese beetles love to dine on four o'clocks, and according to several university sources these plants are poisonous to them. They are also toxic to people and pets. They can cause vomiting and diarrhea if eaten and the sap can cause dermatitis.


Will 4 O clocks come back every year?

Four o'clocks are easy to grow from seed. Plants get to be two or three feet tall in sunny spots or in part shade, and they bloom from midsummer until frost. In relatively warm-winter climates, four o'clocks will come back every year from tubers that overwinter in the ground.


Can four Oclocks grow in pots?

Sow seeds or transplant seedlings 1 to 2 feet apart. You can also grow four o clocks in 1 to 5 gallon-sized pots growing 2 to 5 plants per pot depending on the pot size. Keep the containers well watered and fertilized monthly.


How do you get rid of 4 o clocks?

The previous owner of my house planted them everywhere. A: This is another plant, like clerodendrum and sweet autumn clematis, that has attractive flowers but can be a garden thug. Mature four o'clock plants have a fleshy potato-like root that helps them to recover from herbicides.


What do four o'clocks smell like?

Four O'clocks --Right On Time Sometimes several flower colors can be seen on the same plant. The flowers are fragrant, with a scent that is both lemony and sweet, and hummingbirds and moths are attracted to them. Four o'clocks are easy to grow from seed.


Are four o'clocks native to North America?

Plant of the Week There are 88 species recorded in North America. A few species in the family are popular ornamentals. Other species are sources of compounds that have medicinal value. Macfarlane's four-o-clock is a federally threatened species endemic to northeast Oregon and Northern Idaho.


Can you prune four o clocks?

No pruning is really required, but if you remove wilted flowers when they appear, this will enhance production of new flowers. Even though it tends to become invasive because four o'clock flower re-sows itself year after year, it is still quite easy to control its growth by pulling out excess plants when they sprout.


Do hummingbirds like four o'clock flowers?

The flowers are fragrant, with a scent that is both lemony and sweet, and hummingbirds and moths are attracted to them. Four o'clocks are easy to grow from seed. Plants get to be two or three feet tall in sunny spots or in part shade, and they bloom from midsummer until frost.

Are 4 o clocks invasive? Video Answer

Growing Mirabilis jalapa/4 O'clock flower/ Sandhya Malti/ Gulbakshi from Seeds to Blossom in 141Days

Are 4 o clocks invasive? Expert Answers

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Wanda ⭐ Answeregy Expert

Beginner Gardening:Four o clock seeds (need advice)

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Liora ⭐ Answeregy Expert

Eliminating Invasive Four O'clocks - Knowledgebase ...

February 4, 2000. Four o'clocks have become invasive in flower beds where I planted a few of them several years ago. They grow rampantly and fall over under their own weight toward the end of the growing season. Needless to say, every year brings a new crop of seedlings. I have tried everything to rid my flower beds of them, including pulling up all seedlings, digging huge tubers and finally, …

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Pat ⭐ Answeregy Expert

Are 4 O clocks invasive? - FindAnyAnswer.com

This is not an invasive plant. Click to see full answer. Simply so, are 4 O clocks poisonous? Four o'clock is a garden flower that also grows wild in some parts of southwestern United States. Alkaloids in the roots and seeds can be moderately toxic for dogs.

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Tiffany ⭐ Answeregy Expert

4 o'Clocks Danger! (pictures warning) - Houzz

4 o'Clocks Danger! (pictures warning) Taking a break from the garden overhauling, I wanted to caution anyone who has an opportunity to plant 4 o'clocks: Run the other way and don't look back, lol! 4 o'clocks is a plant from my childhood, so I was delighted when I was …

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Angel ⭐ Answeregy Expert

Due Diligence: Four O’Clock Plants - The Permaculture ...

I do warn them that 4 O’Clocks are invasive, because that’s been my experience. I’m in zone 7B in the Atlanta area. I’m now attempting to remove many of them, although they are pollinators, and replant with wildflowers and native plants that also attract pollinators.

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Monica ⭐ Answeregy Expert

common four-o'clock: Mirabilis ... - Invasive Plant Atlas

Invasive Listing Sources: Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007 Website developed by The University of Georgia - Center for Invasive Species and Ecosystem Health and the National Park Service

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Deja ⭐ Answeregy Expert

wild four-o'clock: Mirabilis ... - Invasive Plant Atlas

Appearance Mirabilis nyctaginea is a perennial plant that can grow to be 2-4 ft. (0.61-1.2 m) tall, branching occasionally. Foliage Leaves are dark green, opposite, cordate, hairless, 4 in. (10.2 cm) long and 3 in. (7.6 cm) across. The upper leaves may be smaller and lanceolate.

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Warren ⭐ Answeregy Expert

Out My Backdoor: It's Four O'Clock Time | Department Of ...

Four-o’clocks are not considered serious exotic pests, are not known to invade natural areas and are options for gardeners interested in colorful, fragrant flowers that attract pollinators. DNR does not promote the use of non-native plants in natural areas, or exotics considered aggressively invasive.)

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Jack ⭐ Answeregy Expert

Four o’ Clocks: Friend or Foe? | Perennial Garden Lover

Four o’ Clocks: Friend or Foe? The Mirabilis jalapa (four o’ clock or marvel of peru) is the most common grown annual and comes in a variety of colors. Every year I swear that I will completely eradicate these from my garden, but they seed so prolifically that it is impossible.

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Jaedon ⭐ Answeregy Expert

Four o’clock flowers are beautiful and hard to remove ...

Four o’clocks usually have few disease and insect problems, which makes for low maintenance. Plants grow two to four feet tall, so they can be pruned into a hedge for the growing season. Four o’clocks bloom throughout the summer and fall, and the flowers are quite fragrant. They die to the ground in winter.

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Ali ⭐ Answeregy Expert

Specialty Gardening:Mirabilis (4 O'Clocks) Warning!

This is not an invasive plant. These plants have been grown for years & years in nearly every zone without a problem. If you're concerned about …

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Kendra ⭐ Answeregy Expert

Four O'clocks - University of Florida, Institute of Food ...

Four o'clocks (Mirabilis jalapa) do best in full sun and bloom late spring, throughout the summer, until fall. In North and Central Florida, they will die back in the winter. It should be noted that this plant can spread aggressively in the warmest regions of the state. Other Sites . Four O'Clock, Marvel of Peru--Texas AgriLife Extension

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Tyanna ⭐ Answeregy Expert

Are Four Oclocks Perennials - Sheri's Store to Door

Four-o'clocks are not considered serious exotic pests, are not known to invade natural areas and are options for gardeners interested in colorful, fragrant flowers that attract pollinators. DNR does not promote the use of non-native plants in natural …

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Myrna ⭐ Answeregy Expert

Quick Answer: How Much Sun Do 4 O Clocks Need - Know ...

Are 4 O clocks invasive? Four-o’clocks are not considered serious exotic pests, are not known to invade natural areas and are options for gardeners interested in colorful, fragrant flowers that attract pollinators. DNR does not promote the use of non-native plants in natural areas, or exotics considered aggressively invasive.).

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Teri ⭐ Answeregy Expert

Four O’clock Plant – Control | Walter Reeves: The Georgia ...

A: Rural families throughout the South have appreciated four o’clocks, Mirabilis jalapa, for more than two hundred years. Pretty pink/yellow/red flowers adorn the shrub from early summer until frost. The roots are perennial in most parts of Georgia and the seed germinate readily. What’s not to like?

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Marco ⭐ Answeregy Expert

How do you kill 4 O clocks?

Similarly, are 4 O clocks invasive? This is not an invasive plant. For goodness sake - yes, they do come back, but certainly not to the point where they deserve a "warning". This is not an invasive plant. I have had these for several years and I have not found them to be invasive.

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Nico ⭐ Answeregy Expert

Four O'Clocks ( Mirabilis jalapa )

Four-o'clocks may be easily started from seed or tubers. In colder parts of the country the tubers may be dug in the fall and stored until spring. They tend to produce a great deal of seed and can become pests, although the young seedlings are easily pulled or hoed. One year, I planted a number of magenta colored four-o'clocks at our farm and ...

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Four O'Clock Plant: Care & Growing Guide

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Jaylin ⭐ Answeregy Expert

How to Plant Four O'Clock Tubers | Home Guides | SF Gate

Four o'clocks can sometimes become invasive in the garden. Touching the roots or seeds can sometimes cause skin irritation, which usually lasts just a few minutes

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Lia ⭐ Answeregy Expert

All Things Gardening forum→Four O Clocks - Garden.org

Jun 28, 2017 6:30 PM CST. The four o'clocks in my yard do not get a chance to become invasive. I go out every day and collect seeds. I put the white ones (from my friend Liz) in my left pocket and the pink ones (from historic Vernonberg) in my right pocket.

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Raquel ⭐ Answeregy Expert

When can I plant 4 O clocks? - AskingLot.com

Are four o'clocks invasive? This is not an invasive plant. For goodness sake - yes, they do come back, but certainly not to the point where they deserve a "warning".

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Paulette ⭐ Answeregy Expert

4 o'clocks (dynamic accumulators forum at permies)

I like my 4 o'clocks. They will get to the invasive level but I like um enough to keep them around... Just wish I had some yellow and white and multi colored ones... Had those colors at other places I lived and brought seed here for those colors a few times but the pink, purple, magenta color is all I have here...

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Zara ⭐ Answeregy Expert

Four o'clock flower - advice on caring for this evening ...

The four o’clock flower is a perennial with abundant flowering all summer long that propagates itself quite fast, sometimes to the point of being invasive.. Four o’clock flower facts. Name – Mirabilis Family – Nyctaginaceae Type – perennial, annual. Height – 32 inches (80 cm) Exposure – full sun Soil – ordinary, well drained. Flowering – June to September

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Luella ⭐ Answeregy Expert

Four o' Clocks, and adventures with native trees ...

I hear that four o'clocks can be invasive. They do produce a large volume of big easy to grow seeds. Have tried to grow the plants here with only limited success, though do have a couple of plants that germinated this year.

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Izabel ⭐ Answeregy Expert

Colorado Four O'clock - US Forest Service

Colorado Four O'clock (Mirabilis multiflora)By Charlie McDonald. Colorado four o'clock, also called desert, wild, showy, or Froebel’s four o'clock, is in the four o'clock family (Nyctaginaceae), which has about 30 genera and 300 species worldwide, mostly in tropical and subtropical regions.

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Tory ⭐ Answeregy Expert

When can I transplant 4 O clocks?

I will try to remember to get a photo and compare the size with my salmon 4 o'clocks. The plant on this one is more "floppy" than the others and the fragrance is intense. For goodness sake - yes, they do come back, but certainly not to the point where they deserve a …

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Rachel ⭐ Answeregy Expert

Four O'Clock Flowers - Annual Vs Perennial

Four O'Clock Flowers - Garden Guide - Here is an article about Four O'Clocks. The article provides different ideas for planting these flowers, whether as a hedge, bed, border, or even as a meadow. One key decision point is whether or not you can count on your ground staying unfrozen in which case you might have a thriving perennial.

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Ameer ⭐ Answeregy Expert

Four O’Clocks, Mirabilis jalapa – Wisconsin Horticulture

Magenta four o’clocks blooming in a garden. The common name of four o’clocks was given to Mirabilis jalapa because the flowers of this plant do not open until late in the day. This old-fashioned garden ornamental in the four-o’clock family (Nyctaginaceae) is a tender perennial hardy in Zones 7-10, generally grown as an annual throughout most of the US.

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Frank ⭐ Answeregy Expert

Where do 4 O clocks grow? - AskingLot.com

You can also grow four o clocks in 1 to 5 gallon-sized pots growing 2 to 5 plants per pot depending on the pot size. Keep the containers well watered and fertilized monthly. Additionally, are 4 O clocks invasive? I will try to remember to get a photo and compare the size with my salmon 4 o'clocks. The plant on this one is more "floppy" than the ...

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Brittany ⭐ Answeregy Expert

Four O' Clock Flowers : MrBrownThumb

In South Florida, four o'clocks are under serious consideration for adding to the invasive list. Much as I love them, I can see why; once they get started it takes a lot of effort to keep them from multiplying everywhere.

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Four O'clock Flowers: How To Grow Four O'clocks

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Jeanette ⭐ Answeregy Expert

Learn About Four O Clocks - Burpee

Four O’Clocks may be grown from seed sown early indoors and transplanted outside after frost, or sown directly in the garden after frost. Sowing Seed Indoors: Sow indoors 6-8 weeks before frost in spring using a seed starting kit; Sow evenly and thinly and cover with ½ inch of seed starting formula. Firm lightly and keep evenly moist.

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Johnathan ⭐ Answeregy Expert

Tips & Information about Four O'clocks - Gardening Know How

Tips And Information About Growing Four O’clock Plants. By Becca Badgett, Co-author of How to Grow an EMERGENCY Garden. Four o'clock flowers grow and bloom abundantly in the summer garden. Blooms open in the late afternoon and evening, hence the common name four o'clocks. Learn how to grow these flowers here. Load More.

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Sheree ⭐ Answeregy Expert

How much sun do 4 O clocks need? | majorsilver.com

where do 4 O clocks grow? Plant in a full sun or part shaded bed in well-drained, compost-amended soil. Sow seeds or transplant seedlings 1 to 2 feet apart. You can also grow four o clocks in 1 to 5 gallon-sized pots growing 2 to 5 plants per pot depending on the pot size. Keep the containers well watered and fertilized monthly. Beside above ...

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Isabella ⭐ Answeregy Expert

Mirabilis jalapa (Four-o'clock, Marvel-of-Peru) | North ...

Phonetic Spelling mih-RAB-ih-liss jah-LAHP-ah This plant has low severity poison characteristics. See below Description. Mirabilis jalapa can be grown as an annual across North Carolina, but only perennializes in warm, protected coastal gardens.Old plants produce large, potato-like tuberous roots, and its fragrant flowers open at four or five o'clock in the evening and are pollinated by ...

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Keith ⭐ Answeregy Expert

Mirabilis nyctaginea (Wild Four O'Clock): Minnesota ...

The wild four o'clocks are horrible. I want to and cannot get rid of them. I have tried: Roundup, burning, boiling water, salt, vinegar, cutting off seeds b4 they drop and even getting the area really really muddy and digging them up. NOTHING has worked. IF anyone has a solution, PLEASE let me know.

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Evelyn ⭐ Answeregy Expert

When can I plant 4 O clocks? | majorsilver.com

Then, can you plant 4 O clocks in pots? Plant in a full sun or part shaded bed in well-drained, compost-amended soil.Sow seeds or transplant seedlings 1 to 2 feet apart.You can also grow four o clocks in 1 to 5 gallon-sized pots growing 2 to 5 plants per pot depending on the pot size. Keep the containers well watered and fertilized monthly.. Beside above, do hummingbirds like 4 o clocks?

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Dovie ⭐ Answeregy Expert

How to Grow Four O'Clock Mix From Seed | Home Guides | SF Gate

Four o'clocks may aggressively self-seed and become invasive in frost-free areas, notes Plants for a Future, so be sure to deadhead the spent flowers …

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Teena ⭐ Answeregy Expert

How to Grow: Four O Clocks- grow four o clocks- garden ...

Grow four o clocks seedlings indoors under grow lights 6 to 8 weeks before your last frost date and transplant seedlings into the garden as well. Transplants will bloom earlier than direct seeded plants. Plant in a full sun or part shaded bed in well-drained, compost-amended soil. Sow seeds or transplant seedlings 1 to 2 feet apart.

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Ramiro ⭐ Answeregy Expert

What month does a butterfly bush bloom? – Colors-NewYork.com

Are 4 O clocks invasive? This is not an invasive plant. For goodness sake – yes, they do come back, but certainly not to the point where they deserve a “warning”. This is …

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Karen ⭐ Answeregy Expert

Four O'Clocks Seeds - Vermont Wildflower Farm

Don't Forget: Free Shipping on All Orders of $39 or More!Four O’Clocks – Mirabilis jalapaThe cheerful Mirabilis jalapa got the common name “Four O’Clocks” because the flowers open in late afternoon. They remain open until morning and on cloudy days, they may not close at all. An interesting addition to your garden.Zones: 1 through 10Height: 2-3 ft.Flower Color: MultiPlant Type ...

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What cross will produce the most pink flowered plants ...

Four-o’clocks are not considered serious exotic pests, are not known to invade natural areas and are options for gardeners interested in colorful, fragrant flowers that attract pollinators. DNR does not promote the use of non-native plants in natural …

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Stuart Morrison

Hi everyone, my name is Stuart Morrison and I am the editor-in-chief and author of the Answeregy website. I am 35 years old and live in Miami, Florida. From an early age I loved to learn new things, constantly reading various encyclopedias and magazines. In 1998 I created my first Web site, where I posted interesting facts which you could rarely learn elsewhere. Then, it led me to work as a content manager for a large online publication. I always wanted to help people while doing something I really enjoyed. That's how I ended up on the Answeregy.com team, where I... Read more