Members of the Calonyction genus are climbing vines.
They have heart shaped leaves and trumpet shaped flowers of purple or white.
They flower at night from the middle of summer until the first frost of winter.
They are also known as Moonflower and Bona nox.
Moonflower by Nathan & Jenny
Moonflower bud by Titanium22
Miscellaneous: Can also be classified into the genus Ipomoea (Morning glories) subgenus Quamoclit (Star Ipomoea).
If planning to grow Calonyction outdoors then it is best to sow out the moonflower seed after the last frost of spring; simply cover the seeds.
When growing moonflowers as seedlings indoors then the process should be started about eight weeks before they are due to be planted out.
Calonyction should be sown into peat pots. First soak the seeds overnight and chip them, then germinate at about 22°C for about two weeks.
Seedlings should be planted out with a spacing of around 20 to 30 cm into a sunny or partially shaded area of the garden; the soil type is not important.
Climbing Calonyction vines such as moonflowers require a support such as a trellis that they can climb on.
They should be frequently watered when growing.
The Calonyction genus, often included in Ipomoea, includes a few species. The best known is Calonyction aculeatum (Moonflower).
Yes, Calonyction, particularly the Moonflower, is a great climber for fences, trellises, or walls, with its large, night-blooming flowers.
The most frequently grown is Calonyction aculeatum (Moonflower), appreciated for its large, fragrant, white blooms that open at night.
Yes, the Moonflower (Calonyction aculeatum) has fragrant blooms that open in the evening and emit a sweet scent.
Calonyction prefers a sunny location with well-drained soil. It's an excellent choice for vertical spaces in the garden.
Currently, Calonyction species are not considered invasive in the USA. They can spread in favorable conditions but are generally manageable.
To remove Calonyction, cut the vines back and dig up the roots. Monitor the area for regrowth as seeds can remain in the soil.
The Calonyction genus, part of the Convolvulaceae family, is native to tropical and subtropical regions of the Americas. The most recognized species, Calonyction aculeatum, also known as moonflower, is a vine recognized for its large, fragrant, night-blooming white flowers.
To cultivate Calonyction, plant them in a sunny to partially shaded location with well-drained soil. They can be grown from seeds sown in the spring. Regular watering is necessary. They're climbers and need support to grow. They're often used in trellises, pergolas, or fences, providing fragrant, night-time blooms that attract moths.