A handful of flowers that bloom at night stay shut tight all day and only unfurl once the sun drops. The best known ones you can grow are the moonflower, the night blooming cereus, and night blooming jasmine. Each one opens in the late evening, glows in the dark for a few hours, and closes again by mid morning the next day. So if you walk past one at noon, you would never guess what it does after dark.
These are the true night bloomers, and they behave nothing like a daytime flower. A petunia or a rose in your bed stays open from dawn to dusk. A real night bloomer does the reverse. It keeps its petals folded through the heat, then springs open after dusk and shuts down before noon the following day. You catch the full show only if you step outside in the evening, not the morning.
The timing is not random. These flowers open at night to feed nocturnal pollinators like moths and bats that work the dark shift. Opening after dark also lets the plant skip the harsh midday sun. The petals lose less water, and the scent carries farther on cool, still air. Most pump out a heavy sweet smell so moths can find them when there is little light to see by.
Moonflower (Ipomoea alba)
- When it opens: Large white trumpets unfurl in the early evening and stay open through the night, then close by mid morning.
- Best feature: Fast climbing vine that can cover a fence in one season and fills the yard with a soft sweet scent.
- Good to know: This is the gentle morning glory relative, not the spiky Datura that shares the moonflower name.
Night Blooming Cereus
- When it opens: A single huge bloom opens late at night and lasts for only one night before it wilts at dawn.
- Best feature: One of the most dramatic flowers you can grow, with a strong perfume people travel to see.
- Good to know: A desert cactus that often waits a year or more between blooms, so the show is rare and short.
Night Blooming Jasmine
- When it opens: Tiny green-white flowers open after dark and release one of the strongest scents in the plant world.
- Best feature: The smell carries for hundreds of feet, so a single shrub can perfume a whole patio at night.
- Good to know: The scent is intense up close, so plant it where you can enjoy it from a short distance.
Two more belong on your list. Four o'clocks crack open in the late afternoon, hold through the night, and close by morning, with a fresh batch of blooms each evening. Evening primrose does much the same, with pale yellow cups that pop open at dusk almost fast enough for you to watch. Both are easy starter plants if you want the night-flower effect without much fuss, and they reseed on their own so you get more each year.
Watch out for the name moonflower, because it points to two very different plants. One is the white morning glory vine, Ipomoea alba, which is the friendly climber most gardeners want. The other is Datura, a bushy plant with upward-facing trumpets that is poisonous in every part. Read the botanical name on the tag before you buy, so you bring home the vine and not the toxic look-alike that can land you in trouble.
If you want the easiest win, start with moonflower vine seeds and a sunny fence. Soak the hard seeds overnight first, since that one step gets far more of them to sprout. Save the night blooming cereus for when you want a rare treat. Check it each evening in summer, because if you miss the one night you wait for the next bloom. Plant the strong-scented kinds near a window or a door, and the night air will carry the rest to you.
Read the full article: 12 Best Night Blooming Flowers
