The world of nocturnal plants It is as mysterious as it is fascinating. While most plant species awaken their colors and aromas in the warmth of the sun's rays, there is a select variety of plants and flowers that shine only under the light of the moon. These botanical jewels offer a different sensorial spectacle, filling the gardens and terraces with intoxicating fragrances y pale colors that reflect the dim light of the night. Discover the entire universe of nocturnal plants in this article: their characteristics, most notable species, their cultivation specificities, and all the secrets to creating a garden that's a delight to the eyes and nose when the sun goes down.
What are nocturnal plants and why do they bloom at night?
The nocturnal plants These are the ones that display their maximum splendor at dusk. Many of them open their flowers from dusk to dawn, releasing intense fragrances and, in many cases, presenting white or pale hues that glow in the dark. This phenomenon is due to an evolutionary adaptation: these plants seek to attract nocturnal pollinators – such as moths, bats, some birds and beetles– which are active at night.
Their nocturnal opening also allows them to avoid the extreme heat of the day, conserve moisture, and prolong the life of their flowers. Most nocturnal plants develop intense aromas to guide insects in the dark, as visual cues are less effective than during the day.
Among the seduction strategies that these plants use, there is the photonasty –the ability to open and close depending on the light– and the production of abundant nectar and penetrating fragrances that are irresistible even to the most elusive pollinators.
Advantages of growing night-blooming plants in the garden or terrace
Creating an outdoor space with night-blooming plants brings a special charm and multiple benefits:
- Night sensory experience: The gardens and terraces are filled with enveloping aromas which are much more enjoyable in the cooler hours.
- Moonlight reflection: Many species present white, cream or pink flowers that reflect natural or artificial light, making the space more welcoming at night.
- Nocturnal wildlife attraction: These plants promote biodiversity, attracting insects and small animals that are beneficial to the ecosystem.
- Extended seasonal gardens: Some species bloom from spring to late summer or early autumn, ensuring an interesting garden for many months.
The most surprising nocturnal plant species and their characteristics
There are numerous species of nocturnal plants Suitable for both gardening and potting. Below, we describe the most notable varieties, detailing their characteristics, care, and unique features.
Night Lady (Chester nighttime)
One of the unavoidable classics in aromatic gardens is the night Lady, an evergreen shrub native to Central America, recognized for its vigorous growth and the intensity of its night perfume. Their tubular and elongated flowers, greenish white or pale yellow, are grouped in clusters and open after sunset, releasing a sweet and unmistakable aroma which attracts both moths and bats.
- Light: It prefers locations in full sun or semi-shade (minimum 6 hours of light daily).
- Temperature: It does not tolerate frost; it must be protected from intense cold.
- Irrigation: Moderate; especially common in spring and summer.
- Ground: Well drained, enriched with compost, it tolerates light humidity but without waterlogging.
- Pruning: After flowering to encourage a second flush and maintain its compact shape.
- Pests: It is susceptible to aphids, whiteflies, and spider mites; monitoring and organic treatments such as neem oil are recommended.
The lady of the night can reach 3 meters in height and its versatility makes it ideal for hedges, borders, or growing in large pots.
Moonflower (ipomoea alba y Selenicereus grandiflorus)
Two different species share the popular name of moon flower:
- Ipomoea alba: It is a perennial climber native to tropical America. It presents large white trumpet-shaped flowers They open at dusk and close at dawn. Their aroma is mild but pleasant. Ideal for covering pergolas, trellises, or lattices. They can reach up to 6 meters in height and require support to grow.
- Selenicereus grandiflorus (Queen of the night): An epiphytic cactus with impressive night-blooming flowers. It produces large white or cream flowers (sometimes with yellow hues), very fragrant, and only open for one night each year. For this reason, observing their flowers is a botanical spectacle.
Common care: Both species require plenty of light, moderate watering, and soil rich in organic matter. In cold climates, it's recommended to grow them as houseplants or protect them in a greenhouse.
Angel's Trumpet (brugmansia)
La angel trumpet It is a shrub or small tree native to the subtropical regions of South America. It stands out for its spectacular hanging trumpet-shaped flowers, which can grow to over 30 centimeters and come in a wide range of colors: white, yellow, pink, orange, and red. Their fragrance is especially intense at dusk.
- Light: It needs direct exposure or very good lighting.
- Irrigation: Moderate, avoiding excessive wetting.
- Ground: Loose, well-draining mix of garden soil, peat, and sand.
- Caution: All parts of the plant are toxic if ingested, so it should be kept out of reach of pets and children.
It requires pruning after flowering and, in very cold areas, growing in a pot to protect it in winter.
Ornamental tobacco (nicotiana alata y Nicotiana tabacum)
La nicotiana It is an annual or perennial herbaceous plant (depending on the species) commonly used in gardens and pots. It is characterized by its tubular flowers –white, pink, red or green– that open at dusk and give off a sweet and intense aroma at night, highly valued for creating aromatic environments.
- Light: Full sun, although it tolerates semi-shade.
- Irrigation: Regular, keeping the substrate slightly moist but not waterlogged.
- Ground: Light, deep, rich and well drained.
- Pruning: Removing dried flowers facilitates the production of new shoots.
- Pests: Aphids, controllable with diatomaceous earth.
La Nicotiana tabacum It is the traditional tobacco plant and can reach up to 3 meters in height, while the nicotiana alata It is more ornamental and compact.
Morning Glory (jalapa mirabilis)
El nightlife, also known as the wonder of Peru, is a fast-growing herbaceous plant and evening flowering. Its flowers, which can be of various colors (white, yellow, pink, red or purple), open in the late afternoon and close in the early hours of the day. They give off an enveloping and very attractive fragrance. moths and nocturnal bees.
- Light: It needs abundant sun to flower well.
- Irrigation: Moderate; tolerates some drought.
- Ground: Deep, rich and well drained.
- Pruning: It may require control due to its invasive capacity.
- Caution: Its roots and seeds are toxic if ingested.
Recommended for gardens that are enjoyed in the evenings and at night, providing color and aroma.
Night Gladiolus (Gladiolus spp.)
The gladioli They are known for their flower spikes and for a relevant characteristic in certain species: there are varieties that They open and release their fragrance at nightfall, with elegant petals in a wide variety of colors and shapes. Ideal for flower beds, borders, and floral arrangements. It's advisable to train the stems due to the weight of the flowers.
- Light: Full sun, tolerates semi-shade in very hot climates.
- Irrigation: Abundant in growth and moderate when mature.
- Ground: Sandy, loose and well-drained, enriched with humus.
Common evening primrose (Oenothera biennis)
This biennial plant originates from North America and is cultivated for both its ornamental and medicinal properties. bright yellow flowers They only open at night and exhale their fragrance to attract night butterfliesIt is ideal for wild or country-style gardens and can grow to over a metre in height.
- Light: Plenty of sun, in warm, well-drained soils.
- Irrigation: Moderate, tolerates some drought.
Water lily (Nymphaea spp.)
El water lily It is the queen plant of ponds and lakes. Its floating flowers They can open at night and close at dawn, creating a magical presence and promoting aquatic biodiversity. More than 1.500 species distributed throughout the world, and many of them are pollinated by nocturnal beetles.
- Plantation: In baskets with specific substrate for aquatic plants and gravel.
- Light: Direct exposure or semi-shade.
- Water: Always clean, without chlorine or organic waste.
Other popular examples of night plants
- Jasmine (Jasminum spp.): light and fragrant flowers, many varieties open at night.
- Sweet Alyssum (lobularia maritima): white inflorescences and great resistance, ideal for covering borders and planters.
- celinda (Philadelphus spp.): citrus-scented shrub in spring bloom.
- Artemis (Artemisia spp.): silver leaves and discreet flowers, excellent background for lunar gardens.
- Lamb's ear (Stachys byzantina): hairy, silver leaves that reflect light at night.
- Lamium (Lamium maculatum): cold-resistant, with white, purple or pink flowers.
- Hosta: bicolor foliage perfect for shaded areas in night gardens.
Ideas and tips for creating a night garden
- Use staggered flowering plants: Combine species that bloom at different times of the year.
- Group white flowers and light foliage: Create “clumps” of plants to maximize the reflection of the moon and artificial lighting.
- Alternate heights and textures: Mix climbers, shrubs, low-growing plants and aquatic plants.
- Installing climbing supports: Pergolas and trellises allow nocturnal climbers such as Ipomoea alba to flourish.
- Avoid plants with strong odors near rest areas: So as not to disturb your sleep if you have a bedroom nearby.
- Ambient lighting: Add garlands, lanterns, or LED lights to enhance the reflective effect of foliage and flowers.
- Practice regular maintenance: Remove wilted flowers, prune after flowering, and maintain cleanliness to prevent the possible arrival of pests.
Main care and common problems of night plants
The nocturnal plants They generally require care very similar to other garden species, although they have certain peculiarities:
- Irrigation: Most plants appreciate moist but well-drained substrates. Excess water can encourage the growth of fungi.
- Pruning: It promotes second flowering and maintains the health of plants, especially shrubs.
- Fertilization: Take advantage of the warm season to apply organic fertilizers or fertilizers rich in potassium and iron.
- Pest protection: Aphids, whiteflies, and spider mites can attack some species. Use biological methods or ecological remedies such as potassium soap or diatomaceous earth.
- Toxicity Prevention: Some species (angel's trumpet, morning glory, Madagascar jasmine) can be toxic. Avoid placing them in areas where small children or pets play.
Frequently Asked Questions About Night Plants
- Why do some flowers open during the day and close at night?
This phenomenon is called photonastyIt helps plants protect themselves from moisture, night cold, and predation, conserving energy. Examples: sunflowers, gazanias, mallows. - Can you have night plants indoors?
Some adapted species such as the Queen of the Night (Selenicereus), ipomoea alba y lamium They can grow in bright interiors, as long as they receive enough sun and moisture. - What to do if the aroma is too intense?
Avoid placing them near bedroom windows and prioritize their use on patios, terraces, or areas away from rest areas.
The nocturnal plants They not only beautify gardens, but also play a fundamental role in ecological balance. They promote nocturnal pollinationThey provide food for insects and bats and help maintain biodiversity. They also have deep cultural significance: many species are part of rituals, legends, and popular celebrations, as is the case with St. John's wort during Midsummer Night or the symbolism of the moonflower in various cultures in America and Asia.
The gardens and terraces that incorporate nocturnal plants They transform into true sensory oases when the sun goes down. Whether it's the spectacular nature of their flowers, their intense fragrance, or the silvery reflection of their foliage under the moon, choosing these species means immersing yourself in a botanical universe of beauty and mystery within reach of any gardening enthusiast. If you plan your space with a good selection of species and simple care, you'll enjoy fragrant and vibrant nights in your own home.