It's Four O'Clock Somewhere

One of the most talked about flower on my Instagram and Facebook page is Mirabilis jalapa or the old-fashioned four o’clock flower.

pink and white four o clock

Four o’clocks were one of the first flowers I grew when we bought our first home.  I had mentioned to a coworker that I wanted to find a flower that grew quickly from seed and the next day, she brought me a handful of four o’clock seeds.   Thirty-five years later, they are still in my gardens.

white four o clock

One of the unique traits of this flower is it blooms in the late afternoon or evening, hence the name.  I have these flowers in a full sun garden and some in a bed that gets afternoon shade.  During the summer heat of the day, the blooms remain closed up tight.

four o clock closed up

But, when it cools off in the evening, the blooms open up and release a very pleasant fragrance enticing all kinds of nighttime pollinators.

four o clock open

Another unique feature about this plant is the way cross pollination can occur.  This year, I have plants with pink, white, and yellow flowers.  Some plants have two colors on the same plant

four o clocks different colors

or both colors on one flower.

pink and yellow four o clock

Saving the seeds are easy because they are big and very easy to see.

Four o'clock seeds

Four o’clock seeds

What I don’t collect, will fall to the ground and sprout next spring.  These flowers are pretty tough and will even grow in concrete.  Just keep in mind, they might be a different color when they bloom next year.

Four o'clock

four o clock in concrete

Four o’clocks are not bothered by too many pests, but do seem to attract Japanese beetles (like so many plants do.)

japanese beetle on four o clock

Years ago, I remember reading a gardening book written by Ruth Stout.  I don’t recall which book it was, but I remember her making an observation that Japanese beetles loved the foliage of four o’clocks.  She somehow made a hypothysis that the foliage was also poisonous to the beetle and would kill it after they consumed it.

japanese beetles on four o clock

This theory has been a controversy ever since.  For me, in my garden, the beetles go for the roses first.  After reading about this , I began planting four o’clocks around my roses, not only to try this theory, but to hide the base of a somewhat gangly rose variety I had.  I figure I’m going to grow them anyway, might as well put them to the test.  I don’t really have any concrete proof that the foliage kills the beetles, but I have observed that after I see them on my four o’clocks, I don’t see them anymore.  Maybe it’s wishful thinking, maybe their lifecycle was complete, or maybe we are on to something.   Regardless, they will always be in my garden.

What are your thoughts or observations about this?




About the blonde gardener

I'm an Arkansas girl born and raised. I garden in the beautiful Northwest part of the state (zone 6b or 7) surrounded by the Ozark Mountains. My favorite part about the area is we have 4 distinct seasons and are able to enjoy a variety of activities. My main passion is gardening but I also enjoy hiking, birding, 4-wheeling and motorcycle trips. Basically anything outside. Thanks for stopping by! Brenda
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8 Responses to It's Four O'Clock Somewhere

  1. Richard says:

    Altra was curious if Nina gave you the seeds and Altra would like to have some. Where can she get them?


  2. diningwithdebbie says:

    I love four o’clocks, but they can really be invasive if not kept under control–at least, mine seem to do so. Something is eating the leaves of my ornamental crabapples. I wonder if it’s Japanese beetles as well? I haven’t seen any, but most of the leaves on two trees have been nibbled on.


    • My four o’clocks seem to behave pretty well but I do have to thin them out.
      If you have Japanese beetles, they will be on there, more so, in the early morning.
      I wonder if it’s grasshoppers eating the leaves of your crabapple? They usually become thick this time of year at my house. Or it could be those nasty tent caterpillars.


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